
Solar SOC
Plan Your OffGrid Solar System
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What's New in Solar SOC
1.1
October 10, 2026
• Saved projects: name a setup for each property or design option and compare their results side by side. • More battery types: AGM, Gel and Car/Starter join LiFePO4 and Flooded Lead-Acid, each with its own efficiency and self-discharge. • Battery health: model an aging battery bank by setting how much capacity is left. • Cold-weather derating: real air temperatures now reduce battery capacity in the cold, and results show your coldest battery temperature. • Optional charge controller current limit, for chargers like the Ubiquiti SolarSwitch. • More accurate sun position using true solar time for your longitude. • Previously downloaded solar data now loads automatically, with no need to tap Load Solar Data again. • Load slider now adjusts in 5 W steps. • Updated for the NLR Developer Network (formerly NREL), with clearer error messages. • Improved VoiceOver and Voice Control support. • A Done button on the number keyboard, plus fixes for out-of-date results after changing location or years.
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