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Update release notes for SAM 2023.12.17 Revision 2 SSC 292 (#1846)
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* Draft release notes for 2023.12.17 r2

Includes SAM and SSC PRs closed as of 7/24/2024

* Add MSPT custom HTF fix

* Add trademark symbol to title

* Update release notes for latest commits to Patch 2

* Fix typo that was causing link to run over

* Group PV uncertainty issues together for release notes

* Final release notes revisions for 2023.12.17 r2

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Co-authored-by: Brian Mirletz <[email protected]>
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<title>System Advisor Model (SAM) Release Notes</title>
<title>System Advisor Model™ (SAM™) Release Notes</title>
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<p style="font-family:Segoe UI,sans-serif;font-size:20pt;text-align:center;color:#0072C6;">System Advisor Model (SAM) Release Notes</p>
<p style="font-family:Segoe UI,sans-serif;font-size:20pt;text-align:center;color:#0072C6;">System Advisor Model™ (SAM™) Release Notes</p>

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<h1 id="2023-12-17-r2">SAM 2023.12.17 r2, SSC 292: August 23, 2024</h1>

<p>This is the second maintenance update to <a href="#2023-12-17">SAM 2023.12.17</a>.</p>

<ul>
<li>Detailed PV and PVWatts
<ul>
<li>Set default PV uncertainty input distributions for factors that are represented by Detailed PV/PVWatts performance model, and add checkboxes to PV uncertainty categories to allow for enabling and disabling them. (<a href="https://github.com/NREL/SAM/pull/1812">SAM 1812</a>, <a href="https://github.com/NREL/SAM/pull/1753">SAM 1753</a>)</li>
<li>Add checkboxes to PV uncertainty page to allow for enabling and disabling uncertainty categories. (<a href="https://github.com/NREL/SAM/pull/1753">SAM 1753</a>)</li>
<li>Fix problems with PV PDF report. (<a href="https://github.com/NREL/SAM/pull/1789">SAM 1789</a>)</li>
<li>Change diagrams of tracking and orientation on Sytem Design page for Detailed PV and PVWatts models, and revise Help descriptions of tilt and azimuth inputs and labels of plane-of-array (POA) irradiance output variables. (<a href="https://github.com/NREL/SAM/pull/1791">SAM 1791</a>, <a href="https://github.com/NREL/ssc/pull/1153">SSC 1153</a>)</li>
<li>Improve documentation of IEC 61858 temperature, optical, and spectral models for PV. (<a href="https://github.com/NREL/SAM/pull/1795">SAM 1795</a>, <a href="https://github.com/NREL/ssc/pull/1175">SSC 1175</a>)</li>
<li>Fix internal issue with initializing ground clearance height for IEC 61853 module model. (<a href="https://github.com/NREL/ssc/pull/1194">SSC 1194</a>)</li>
</ul>
</li>
<li>Battery Storage
<ul>
<li>Fix default battery properties for Li-NMC batteries for some configurations with batteires. (<a href="https://github.com/NREL/SAM/pull/1818">SAM 1818</a>)</li>
<li>Improve battery lifetime model to allow for reversible thermal degradation. (<a href="https://github.com/NREL/ssc/pull/1164">SSC 1164</a>)</li>
<li>Fix issues with REopt API call for battery size and dispatch optimization. (<a href="https://github.com/NREL/ssc/pull/1187">SSC 1187</a>)</li>
<li>Display a message on input page when battery is allowed to charge from grid an a production tax credit (PTC) is enabled. (<a href="https://github.com/NREL/SAM/pull/1792">SAM 1792</a>)</li>
<li>Improve results of battery storage self-consumption dispatch option to more accurately determine when 100% of load is met by the system. (<a href="https://github.com/NREL/ssc/pull/1182">SSC 1182</a>)</li>
<li>Fix PDF report for the self-consumption battery dispatch option. (<a href="https://github.com/NREL/SAM/pull/1750">SAM 1750</a>)</li>
<li>Fix year index in TOU demand charge calculation for electricity bill calculations. (<a href="https://github.com/NREL/ssc/pull/1152">SSC 1152</a>)</li>
</ul>
</li>
<li>Financial Models
<ul>
<li>Fix tax and depreciation formulas in Send-to-Excel workbooks. (<a href="https://github.com/NREL/SAM/pull/1841">SAM 1841</a>)</li>
<li>Fix electricity bill calculation for net billing with tiered energy rates. (<a href="https://github.com/NREL/ssc/pull/1168">SSC 1168</a>)</li>
<li>Report basis for investment tax credit (ITC) and depreciation in outputs to improve transparency of incentive calculations. (<a href="https://github.com/NREL/SAM/pull/1808">SAM 1808</a>, <a href="https://github.com/NREL/ssc/pull/1178">SSC 1178</a>)</li>
<li>Fix formula in Excel Workbook for Third Party Host / Developer financial model that calculates federal depreciation. (<a href="https://github.com/NREL/SAM/pull/1793">SAM 1793</a>)</li>
<li>Fix formulas in Excel Workbook for Community Solar financial model that calculates subscriber share of generation. (<a href="https://github.com/NREL/SAM/pull/1744">SAM 1744</a>)</li>
<li>Revise description of Indifference Point macro for Third Party Host / Developer model. (<a href="https://github.com/NREL/SAM/pull/1788">SAM 1788</a>)</li>
</ul>
</li>
<li>Update weather file downloads from the Advanced NSRDB Download window to make all attributes and time resolutions available from latest PSM V3.2.2 endpoints. (<a href="https://github.com/NREL/SAM/pull/1746">SAM 1746</a>)</li>
<li>Fix stochastic and PV uncertainty simulations on macOS. (<a href="https://github.com/NREL/SAM/pull/1758">SAM 1758</a>, <a href="https://github.com/NREL/SAM/pull/1782">SAM 1782</a>)</li>
<li>Revise Marine Energy Help topics mentioning DOE Reference Model project. (<a href="https://github.com/NREL/SAM/pull/1790">SAM 1790</a>)</li>
<li>Revise description of Wind environmental loss on input page and in Help. (<a href="https://github.com/NREL/SAM/pull/1770">SAM 1770</a>)</li>
<li>Fix custom HTF for Molten Salt Power Tower configurations. (<a href="https://github.com/NREL/SAM/pull/1817">SAM 1817</a>)</li>
<li>Fix problem reading time series loss data (converting from old 'adjust:periods' to new 'adjust_periods' variable names) when opening .sam files from older versions. (<a href="https://github.com/NREL/SAM/pull/1749">SAM 1749</a>)</li>
<li>Fix application of time series losses ('adjust' variables) for non-annual simulations from SAM SDK / PySAM. (<a href="https://github.com/NREL/ssc/pull/1113">SSC 1113</a>, <a href="https://github.com/NREL/SAM/pull/1826">SAM 1826</a>)</li>
<li>Make geothermal cost curves available in SSC (<a href="https://github.com/NREL/ssc/pull/1191">SSC 1191</a>)</li>
<li>Fix issues with geothermal cost inputs. (<a href="https://github.com/NREL/SAM/pull/1823">SAM 1823</a>, <a href="https://github.com/NREL/ssc/pull/1189">SSC 1189</a>)</li>
<li>Modify marine energy tidal energy converter "Design tidal converter" power curve calculation method. (<a href="https://github.com/NREL/SAM/pull/1807">SAM 1807</a>)</li>
</ul>

<h1 id="2023-12-17-r1">SAM 2023.12.17 r1, SSC 290: March 4, 2024</h1>

<p>This is the first maintenance update to <a href="#2023-12-17">SAM 2023.12.17</a>.</p>
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