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System Advisor Model (SAM)

The SAM Open Source Project repository contains the source code, tools, and instructions to build a desktop version of the National Renewable Energy Laboratory's System Advisor Model (SAM). SAM is a simulation program for electricity generation projects. It has models for different kinds of renewable energy systems and financial models for residential, commercial, and utility-scale projects. For more details about SAM's capabilities, see the SAM website at https://sam.nrel.gov/.

The desktop version of SAM for Windows, Mac, or Linux builds from the following open source projects:

  • SSC is a set of "compute modules" that simulate different kinds of power systems and financial structures. It can be run directly using the SAM Software Development Kit. If you are looking for the algorithms underlying the models, they are located in this repository.

  • LK is a scripting language that is integrated into SAM and allows users to add functionality to the program.

  • wxWidgets is a cross-platform graphical user interface platform used for SAM's user interface, and for the development tools included with SSC (SDKtool) and LK (LKscript). The current version of SAM uses wxWidgets 3.1.0.

  • WEX is a set of extensions to wxWidgets for custom user-interface elements used by SAM, and by LKscript and DView, which are integrated into SAM.

  • Google Test is a C++ test framework that enables comprehensive unit-testing of software. Contributions to the project will eventually be required to have associated unit tests written in this framework.

  • This repository, SAM, provides the user interface to assign values to inputs of the SSC compute modules, run the modules in the correct order, and display simulation results. It also includes tools for editing LK scripts, viewing time series results, and generating shade data from a 3-dimensional representation of a photovoltaic array or solar hot water collector and nearby shading objects.

Quick Steps for Building SAM

For detailed build instructions see the wiki, with specific instructions for:

These are the general quick steps you need to follow to set up your computer for developing SAM:

  1. Set up your development tools:

  2. Download the wxWidgets 3.1.0 source code for your operating system from https://www.wxwidgets.org/downloads/.

  3. Build wxWidgets.

  4. In Windows, create the WXMSW3 environment variable on your computer to point to the wxWidgets installation folder, or in MacOS and Linux, create the dynamic link /usr/<USERNAME>/local/bin/wx-config-3 to point to /path/to/wxWidgets/bin/wx-config.

  5. As you did for wxWidgets, for each of the following projects, clone (download) the repository, build the project, and then (Windows only) create an environment variable pointing to the project folder. Build the projects in the following order, and assign the environment variable for each project before you build the next one:

ProjectRepository URLWindows Environment Variable
LKhttps://github.com/NREL/lkLKDIR
WEXhttps://github.com/NREL/wexWEXDIR
SSChttps://github.com/NREL/sscSSCDIR
SAMhttps://github.com/NREL/SAMSAMNTDIR
Google Testhttps://github.com/google/googletestGTEST

Contributing

If you would like to report an issue with SAM or make a feature request, please let us know by adding a new issue on the issues page.

If you would like to submit code to fix an issue or add a feature, you can use GitHub to do so. Please see Contributing for instructions.

License

SAM's open source code is copyrighted by the Alliance for Sustainable Energy and licensed under a mixed MIT and GPLv3 license. It allows for-profit and not-for-profit organizations to develop and redistribute software based on SAM under terms of an MIT license and requires that research entities including national laboratories, colleges and universities, and non-profit organizations make the source code of any redistribution publicly available under terms of a GPLv3 license. .

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
System Advisor Model (SAM)
The SAM Open Source Project repository contains the source code, tools, and instructions to build a desktop version of the National Renewable Energy Laboratory's System Advisor Model (SAM). SAM is a simulation program for electricity generation projects. It has models for different kinds of renewable energy systems and financial models for residential, commercial, and utility-scale projects. For more details about SAM's capabilities, see the SAM website at https://sam.nrel.gov/.
The desktop version of SAM for Windows, Mac, or Linux builds from the following open source projects:
  • SSC is a set of "compute modules" that simulate different kinds of power systems and financial structures. It can be run directly using the SAM Software Development Kit. If you are looking for the algorithms underlying the models, they are located in this repository.
  • LK is a scripting language that is integrated into SAM and allows users to add functionality to the program.
  • wxWidgets is a cross-platform graphical user interface platform used for SAM's user interface, and for the development tools included with SSC (SDKtool) and LK (LKscript). The current version of SAM uses wxWidgets 3.1.0.
  • WEX is a set of extensions to wxWidgets for custom user-interface elements used by SAM, and by LKscript and DView, which are integrated into SAM.
  • Google Test is a C++ test framework that enables comprehensive unit-testing of software. Contributions to the project will eventually be required to have associated unit tests written in this framework.
  • This repository, SAM, provides the user interface to assign values to inputs of the SSC compute modules, run the modules in the correct order, and display simulation results. It also includes tools for editing LK scripts, viewing time series results, and generating shade data from a 3-dimensional representation of a photovoltaic array or solar hot water collector and nearby shading objects.
Quick Steps for Building SAM
For detailed build instructions see the wiki, with specific instructions for:
These are the general quick steps you need to follow to set up your computer for developing SAM:
  1. Set up your development tools:
  2. Download the wxWidgets 3.1.0 source code for your operating system from https://www.wxwidgets.org/downloads/.
  3. Build wxWidgets.
  4. In Windows, create the WXMSW3 environment variable on your computer to point to the wxWidgets installation folder, or in MacOS and Linux, create the dynamic link /usr/<USERNAME>/local/bin/wx-config-3 to point to /path/to/wxWidgets/bin/wx-config.
  5. As you did for wxWidgets, for each of the following projects, clone (download) the repository, build the project, and then (Windows only) create an environment variable pointing to the project folder. Build the projects in the following order, and assign the environment variable for each project before you build the next one:
ProjectRepository URLWindows Environment Variable
LKhttps://github.com/NREL/lkLKDIR
WEXhttps://github.com/NREL/wexWEXDIR
SSChttps://github.com/NREL/sscSSCDIR
SAMhttps://github.com/NREL/SAMSAMNTDIR
Google Testhttps://github.com/google/googletestGTEST
Contributing
If you would like to report an issue with SAM or make a feature request, please let us know by adding a new issue on the issues page.
If you would like to submit code to fix an issue or add a feature, you can use GitHub to do so. Please see Contributing for instructions.
License
SAM's open source code is copyrighted by the Alliance for Sustainable Energy and licensed under a mixed MIT and GPLv3 license. It allows for-profit and not-for-profit organizations to develop and redistribute software based on SAM under terms of an MIT license and requires that research entities including national laboratories, colleges and universities, and non-profit organizations make the source code of any redistribution publicly available under terms of a GPLv3 license. .
About
System Advisor Model (SAM)
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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System Advisor Model (SAM)
The SAM Open Source Project repository contains the source code, tools, and instructions to build a desktop version of the National Renewable Energy Laboratory's System Advisor Model (SAM). SAM is a simulation program for electricity generation projects. It has models for different kinds of renewable energy systems and financial models for residential, commercial, and utility-scale projects. For more details about SAM's capabilities, see the SAM website at https://sam.nrel.gov/.
The desktop version of SAM for Windows, Mac, or Linux builds from the following open source projects:
  • SSC is a set of "compute modules" that simulate different kinds of power systems and financial structures. It can be run directly using the SAM Software Development Kit. If you are looking for the algorithms underlying the models, they are located in this repository.
  • LK is a scripting language that is integrated into SAM and allows users to add functionality to the program.
  • wxWidgets is a cross-platform graphical user interface platform used for SAM's user interface, and for the development tools included with SSC (SDKtool) and LK (LKscript). The current version of SAM uses wxWidgets 3.1.0.
  • WEX is a set of extensions to wxWidgets for custom user-interface elements used by SAM, and by LKscript and DView, which are integrated into SAM.
  • Google Test is a C++ test framework that enables comprehensive unit-testing of software. Contributions to the project will eventually be required to have associated unit tests written in this framework.
  • This repository, SAM, provides the user interface to assign values to inputs of the SSC compute modules, run the modules in the correct order, and display simulation results. It also includes tools for editing LK scripts, viewing time series results, and generating shade data from a 3-dimensional representation of a photovoltaic array or solar hot water collector and nearby shading objects.
Quick Steps for Building SAM
For detailed build instructions see the wiki, with specific instructions for:
These are the general quick steps you need to follow to set up your computer for developing SAM:
  1. Set up your development tools:
  2. Download the wxWidgets 3.1.0 source code for your operating system from https://www.wxwidgets.org/downloads/.
  3. Build wxWidgets.
  4. In Windows, create the WXMSW3 environment variable on your computer to point to the wxWidgets installation folder, or in MacOS and Linux, create the dynamic link /usr/<USERNAME>/local/bin/wx-config-3 to point to /path/to/wxWidgets/bin/wx-config.
  5. As you did for wxWidgets, for each of the following projects, clone (download) the repository, build the project, and then (Windows only) create an environment variable pointing to the project folder. Build the projects in the following order, and assign the environment variable for each project before you build the next one:
ProjectRepository URLWindows Environment Variable
LKhttps://github.com/NREL/lkLKDIR
WEXhttps://github.com/NREL/wexWEXDIR
SSChttps://github.com/NREL/sscSSCDIR
SAMhttps://github.com/NREL/SAMSAMNTDIR
Google Testhttps://github.com/google/googletestGTEST
Contributing
If you would like to report an issue with SAM or make a feature request, please let us know by adding a new issue on the issues page.
If you would like to submit code to fix an issue or add a feature, you can use GitHub to do so. Please see Contributing for instructions.
License
SAM's open source code is copyrighted by the Alliance for Sustainable Energy and licensed under a mixed MIT and GPLv3 license. It allows for-profit and not-for-profit organizations to develop and redistribute software based on SAM under terms of an MIT license and requires that research entities including national laboratories, colleges and universities, and non-profit organizations make the source code of any redistribution publicly available under terms of a GPLv3 license. .
About
System Advisor Model (SAM)
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
System Advisor Model (SAM)
The SAM Open Source Project repository contains the source code, tools, and instructions to build a desktop version of the National Renewable Energy Laboratory's System Advisor Model (SAM). SAM is a simulation program for electricity generation projects. It has models for different kinds of renewable energy systems and financial models for residential, commercial, and utility-scale projects. For more details about SAM's capabilities, see the SAM website at https://sam.nrel.gov/.
The desktop version of SAM for Windows, Mac, or Linux builds from the following open source projects:
  • SSC is a set of "compute modules" that simulate different kinds of power systems and financial structures. It can be run directly using the SAM Software Development Kit. If you are looking for the algorithms underlying the models, they are located in this repository.
  • LK is a scripting language that is integrated into SAM and allows users to add functionality to the program.
  • wxWidgets is a cross-platform graphical user interface platform used for SAM's user interface, and for the development tools included with SSC (SDKtool) and LK (LKscript). The current version of SAM uses wxWidgets 3.1.0.
  • WEX is a set of extensions to wxWidgets for custom user-interface elements used by SAM, and by LKscript and DView, which are integrated into SAM.
  • Google Test is a C++ test framework that enables comprehensive unit-testing of software. Contributions to the project will eventually be required to have associated unit tests written in this framework.
  • This repository, SAM, provides the user interface to assign values to inputs of the SSC compute modules, run the modules in the correct order, and display simulation results. It also includes tools for editing LK scripts, viewing time series results, and generating shade data from a 3-dimensional representation of a photovoltaic array or solar hot water collector and nearby shading objects.
Quick Steps for Building SAM
For detailed build instructions see the wiki, with specific instructions for:
These are the general quick steps you need to follow to set up your computer for developing SAM:
  1. Set up your development tools:
  2. Download the wxWidgets 3.1.0 source code for your operating system from https://www.wxwidgets.org/downloads/.
  3. Build wxWidgets.
  4. In Windows, create the WXMSW3 environment variable on your computer to point to the wxWidgets installation folder, or in MacOS and Linux, create the dynamic link /usr/<USERNAME>/local/bin/wx-config-3 to point to /path/to/wxWidgets/bin/wx-config.
  5. As you did for wxWidgets, for each of the following projects, clone (download) the repository, build the project, and then (Windows only) create an environment variable pointing to the project folder. Build the projects in the following order, and assign the environment variable for each project before you build the next one:
ProjectRepository URLWindows Environment Variable
LKhttps://github.com/NREL/lkLKDIR
WEXhttps://github.com/NREL/wexWEXDIR
SSChttps://github.com/NREL/sscSSCDIR
SAMhttps://github.com/NREL/SAMSAMNTDIR
Google Testhttps://github.com/google/googletestGTEST
Contributing
If you would like to report an issue with SAM or make a feature request, please let us know by adding a new issue on the issues page.
If you would like to submit code to fix an issue or add a feature, you can use GitHub to do so. Please see Contributing for instructions.
License
SAM's open source code is copyrighted by the Alliance for Sustainable Energy and licensed under a mixed MIT and GPLv3 license. It allows for-profit and not-for-profit organizations to develop and redistribute software based on SAM under terms of an MIT license and requires that research entities including national laboratories, colleges and universities, and non-profit organizations make the source code of any redistribution publicly available under terms of a GPLv3 license. .
About
System Advisor Model (SAM)
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
System Advisor Model (SAM)
The SAM Open Source Project repository contains the source code, tools, and instructions to build a desktop version of the National Renewable Energy Laboratory's System Advisor Model (SAM). SAM is a simulation program for electricity generation projects. It has models for different kinds of renewable energy systems and financial models for residential, commercial, and utility-scale projects. For more details about SAM's capabilities, see the SAM website at https://sam.nrel.gov/.
The desktop version of SAM for Windows, Mac, or Linux builds from the following open source projects:
  • SSC is a set of "compute modules" that simulate different kinds of power systems and financial structures. It can be run directly using the SAM Software Development Kit. If you are looking for the algorithms underlying the models, they are located in this repository.
  • LK is a scripting language that is integrated into SAM and allows users to add functionality to the program.
  • wxWidgets is a cross-platform graphical user interface platform used for SAM's user interface, and for the development tools included with SSC (SDKtool) and LK (LKscript). The current version of SAM uses wxWidgets 3.1.0.
  • WEX is a set of extensions to wxWidgets for custom user-interface elements used by SAM, and by LKscript and DView, which are integrated into SAM.
  • Google Test is a C++ test framework that enables comprehensive unit-testing of software. Contributions to the project will eventually be required to have associated unit tests written in this framework.
  • This repository, SAM, provides the user interface to assign values to inputs of the SSC compute modules, run the modules in the correct order, and display simulation results. It also includes tools for editing LK scripts, viewing time series results, and generating shade data from a 3-dimensional representation of a photovoltaic array or solar hot water collector and nearby shading objects.
Quick Steps for Building SAM
For detailed build instructions see the wiki, with specific instructions for:
These are the general quick steps you need to follow to set up your computer for developing SAM:
  1. Set up your development tools:
  2. Download the wxWidgets 3.1.0 source code for your operating system from https://www.wxwidgets.org/downloads/.
  3. Build wxWidgets.
  4. In Windows, create the WXMSW3 environment variable on your computer to point to the wxWidgets installation folder, or in MacOS and Linux, create the dynamic link /usr/<USERNAME>/local/bin/wx-config-3 to point to /path/to/wxWidgets/bin/wx-config.
  5. As you did for wxWidgets, for each of the following projects, clone (download) the repository, build the project, and then (Windows only) create an environment variable pointing to the project folder. Build the projects in the following order, and assign the environment variable for each project before you build the next one:
ProjectRepository URLWindows Environment Variable
LKhttps://github.com/NREL/lkLKDIR
WEXhttps://github.com/NREL/wexWEXDIR
SSChttps://github.com/NREL/sscSSCDIR
SAMhttps://github.com/NREL/SAMSAMNTDIR
Google Testhttps://github.com/google/googletestGTEST
Contributing
If you would like to report an issue with SAM or make a feature request, please let us know by adding a new issue on the issues page.
If you would like to submit code to fix an issue or add a feature, you can use GitHub to do so. Please see Contributing for instructions.
License
SAM's open source code is copyrighted by the Alliance for Sustainable Energy and licensed under a mixed MIT and GPLv3 license. It allows for-profit and not-for-profit organizations to develop and redistribute software based on SAM under terms of an MIT license and requires that research entities including national laboratories, colleges and universities, and non-profit organizations make the source code of any redistribution publicly available under terms of a GPLv3 license. .
About
System Advisor Model (SAM)
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
System Advisor Model (SAM)
The SAM Open Source Project repository contains the source code, tools, and instructions to build a desktop version of the National Renewable Energy Laboratory's System Advisor Model (SAM). SAM is a simulation program for electricity generation projects. It has models for different kinds of renewable energy systems and financial models for residential, commercial, and utility-scale projects. For more details about SAM's capabilities, see the SAM website at https://sam.nrel.gov/.
The desktop version of SAM for Windows, Mac, or Linux builds from the following open source projects:
  • SSC is a set of "compute modules" that simulate different kinds of power systems and financial structures. It can be run directly using the SAM Software Development Kit. If you are looking for the algorithms underlying the models, they are located in this repository.
  • LK is a scripting language that is integrated into SAM and allows users to add functionality to the program.
  • wxWidgets is a cross-platform graphical user interface platform used for SAM's user interface, and for the development tools included with SSC (SDKtool) and LK (LKscript). The current version of SAM uses wxWidgets 3.1.0.
  • WEX is a set of extensions to wxWidgets for custom user-interface elements used by SAM, and by LKscript and DView, which are integrated into SAM.
  • Google Test is a C++ test framework that enables comprehensive unit-testing of software. Contributions to the project will eventually be required to have associated unit tests written in this framework.
  • This repository, SAM, provides the user interface to assign values to inputs of the SSC compute modules, run the modules in the correct order, and display simulation results. It also includes tools for editing LK scripts, viewing time series results, and generating shade data from a 3-dimensional representation of a photovoltaic array or solar hot water collector and nearby shading objects.
Quick Steps for Building SAM
For detailed build instructions see the wiki, with specific instructions for:
These are the general quick steps you need to follow to set up your computer for developing SAM:
  1. Set up your development tools:
  2. Download the wxWidgets 3.1.0 source code for your operating system from https://www.wxwidgets.org/downloads/.
  3. Build wxWidgets.
  4. In Windows, create the WXMSW3 environment variable on your computer to point to the wxWidgets installation folder, or in MacOS and Linux, create the dynamic link /usr/<USERNAME>/local/bin/wx-config-3 to point to /path/to/wxWidgets/bin/wx-config.
  5. As you did for wxWidgets, for each of the following projects, clone (download) the repository, build the project, and then (Windows only) create an environment variable pointing to the project folder. Build the projects in the following order, and assign the environment variable for each project before you build the next one:
ProjectRepository URLWindows Environment Variable
LKhttps://github.com/NREL/lkLKDIR
WEXhttps://github.com/NREL/wexWEXDIR
SSChttps://github.com/NREL/sscSSCDIR
SAMhttps://github.com/NREL/SAMSAMNTDIR
Google Testhttps://github.com/google/googletestGTEST
Contributing
If you would like to report an issue with SAM or make a feature request, please let us know by adding a new issue on the issues page.
If you would like to submit code to fix an issue or add a feature, you can use GitHub to do so. Please see Contributing for instructions.
License
SAM's open source code is copyrighted by the Alliance for Sustainable Energy and licensed under a mixed MIT and GPLv3 license. It allows for-profit and not-for-profit organizations to develop and redistribute software based on SAM under terms of an MIT license and requires that research entities including national laboratories, colleges and universities, and non-profit organizations make the source code of any redistribution publicly available under terms of a GPLv3 license. .
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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System Advisor Model (SAM)
The SAM Open Source Project repository contains the source code, tools, and instructions to build a desktop version of the National Renewable Energy Laboratory's System Advisor Model (SAM). SAM is a simulation program for electricity generation projects. It has models for different kinds of renewable energy systems and financial models for residential, commercial, and utility-scale projects. For more details about SAM's capabilities, see the SAM website at https://sam.nrel.gov/.
The desktop version of SAM for Windows, Mac, or Linux builds from the following open source projects:
  • SSC is a set of "compute modules" that simulate different kinds of power systems and financial structures. It can be run directly using the SAM Software Development Kit. If you are looking for the algorithms underlying the models, they are located in this repository.
  • LK is a scripting language that is integrated into SAM and allows users to add functionality to the program.
  • wxWidgets is a cross-platform graphical user interface platform used for SAM's user interface, and for the development tools included with SSC (SDKtool) and LK (LKscript). The current version of SAM uses wxWidgets 3.1.0.
  • WEX is a set of extensions to wxWidgets for custom user-interface elements used by SAM, and by LKscript and DView, which are integrated into SAM.
  • Google Test is a C++ test framework that enables comprehensive unit-testing of software. Contributions to the project will eventually be required to have associated unit tests written in this framework.
  • This repository, SAM, provides the user interface to assign values to inputs of the SSC compute modules, run the modules in the correct order, and display simulation results. It also includes tools for editing LK scripts, viewing time series results, and generating shade data from a 3-dimensional representation of a photovoltaic array or solar hot water collector and nearby shading objects.
Quick Steps for Building SAM
For detailed build instructions see the wiki, with specific instructions for:
These are the general quick steps you need to follow to set up your computer for developing SAM:
  1. Set up your development tools:
  2. Download the wxWidgets 3.1.0 source code for your operating system from https://www.wxwidgets.org/downloads/.
  3. Build wxWidgets.
  4. In Windows, create the WXMSW3 environment variable on your computer to point to the wxWidgets installation folder, or in MacOS and Linux, create the dynamic link /usr/<USERNAME>/local/bin/wx-config-3 to point to /path/to/wxWidgets/bin/wx-config.
  5. As you did for wxWidgets, for each of the following projects, clone (download) the repository, build the project, and then (Windows only) create an environment variable pointing to the project folder. Build the projects in the following order, and assign the environment variable for each project before you build the next one:
ProjectRepository URLWindows Environment Variable
LKhttps://github.com/NREL/lkLKDIR
WEXhttps://github.com/NREL/wexWEXDIR
SSChttps://github.com/NREL/sscSSCDIR
SAMhttps://github.com/NREL/SAMSAMNTDIR
Google Testhttps://github.com/google/googletestGTEST
Contributing
If you would like to report an issue with SAM or make a feature request, please let us know by adding a new issue on the issues page.
If you would like to submit code to fix an issue or add a feature, you can use GitHub to do so. Please see Contributing for instructions.
License
SAM's open source code is copyrighted by the Alliance for Sustainable Energy and licensed under a mixed MIT and GPLv3 license. It allows for-profit and not-for-profit organizations to develop and redistribute software based on SAM under terms of an MIT license and requires that research entities including national laboratories, colleges and universities, and non-profit organizations make the source code of any redistribution publicly available under terms of a GPLv3 license. .
About
System Advisor Model (SAM)
Resources
Readme
License
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Contributing
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0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
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System Advisor Model (SAM)
The SAM Open Source Project repository contains the source code, tools, and instructions to build a desktop version of the National Renewable Energy Laboratory's System Advisor Model (SAM). SAM is a simulation program for electricity generation projects. It has models for different kinds of renewable energy systems and financial models for residential, commercial, and utility-scale projects. For more details about SAM's capabilities, see the SAM website at https://sam.nrel.gov/.
The desktop version of SAM for Windows, Mac, or Linux builds from the following open source projects:
  • SSC is a set of "compute modules" that simulate different kinds of power systems and financial structures. It can be run directly using the SAM Software Development Kit. If you are looking for the algorithms underlying the models, they are located in this repository.
  • LK is a scripting language that is integrated into SAM and allows users to add functionality to the program.
  • wxWidgets is a cross-platform graphical user interface platform used for SAM's user interface, and for the development tools included with SSC (SDKtool) and LK (LKscript). The current version of SAM uses wxWidgets 3.1.0.
  • WEX is a set of extensions to wxWidgets for custom user-interface elements used by SAM, and by LKscript and DView, which are integrated into SAM.
  • Google Test is a C++ test framework that enables comprehensive unit-testing of software. Contributions to the project will eventually be required to have associated unit tests written in this framework.
  • This repository, SAM, provides the user interface to assign values to inputs of the SSC compute modules, run the modules in the correct order, and display simulation results. It also includes tools for editing LK scripts, viewing time series results, and generating shade data from a 3-dimensional representation of a photovoltaic array or solar hot water collector and nearby shading objects.
Quick Steps for Building SAM
For detailed build instructions see the wiki, with specific instructions for:
These are the general quick steps you need to follow to set up your computer for developing SAM:
  1. Set up your development tools:
  2. Download the wxWidgets 3.1.0 source code for your operating system from https://www.wxwidgets.org/downloads/.
  3. Build wxWidgets.
  4. In Windows, create the WXMSW3 environment variable on your computer to point to the wxWidgets installation folder, or in MacOS and Linux, create the dynamic link /usr/<USERNAME>/local/bin/wx-config-3 to point to /path/to/wxWidgets/bin/wx-config.
  5. As you did for wxWidgets, for each of the following projects, clone (download) the repository, build the project, and then (Windows only) create an environment variable pointing to the project folder. Build the projects in the following order, and assign the environment variable for each project before you build the next one:
ProjectRepository URLWindows Environment Variable
LKhttps://github.com/NREL/lkLKDIR
WEXhttps://github.com/NREL/wexWEXDIR
SSChttps://github.com/NREL/sscSSCDIR
SAMhttps://github.com/NREL/SAMSAMNTDIR
Google Testhttps://github.com/google/googletestGTEST
Contributing
If you would like to report an issue with SAM or make a feature request, please let us know by adding a new issue on the issues page.
If you would like to submit code to fix an issue or add a feature, you can use GitHub to do so. Please see Contributing for instructions.
License
SAM's open source code is copyrighted by the Alliance for Sustainable Energy and licensed under a mixed MIT and GPLv3 license. It allows for-profit and not-for-profit organizations to develop and redistribute software based on SAM under terms of an MIT license and requires that research entities including national laboratories, colleges and universities, and non-profit organizations make the source code of any redistribution publicly available under terms of a GPLv3 license. .
About
System Advisor Model (SAM)
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages