Solar savings calculators, incentive updates, and DIY guides for 2026
The federal 30% solar tax credit expired Dec 31, 2025. Learn what incentives remain, whether solar is still worth it, and how to maximize savings in 2026.
Read Full Guide →Find state rebates, net metering, and local solar savings in 2026. The federal ITC has expired — see what incentives are still available in your state.
Read MoreDownload our free solar ROI/payback calculator spreadsheet. Updated for 2026 — see example results and maximize savings with current state incentives.
Read MoreMaximize 2026 commercial solar ROI with 30% ITC + bonuses, 60% depreciation, state stacking. $195k-$1.44M system examples with real math and installer guidance.
Read MoreSolar panel recycling for installers: SEIA compliance, state laws, recycling vendors, and how to educate customers on end-of-life PV disposal.
Read MoreLearn how to size, install and optimize an off‑grid RV solar system. Our guide combines technical how‑to instructions with Shop.Solar's ROI calculators and local incentive data.
Read MoreSee how much power common RV appliances use. Watt usage chart for fridges, Starlink, laptops, lights, and off-grid solar planning.
Read MoreLearn how winter affects RV solar production and how to size your system to survive cold weather and short days without power loss.
Read MoreLearn how to size an RV solar system for true boondocking. Panel, battery, and energy planning for reliable off-grid living.
Read MoreFind out how many solar panels your RV needs based on real energy use. Panel wattage examples, rules of thumb, and a free RV solar calculator.
Read MoreLearn how to size RV solar batteries properly. Step-by-step formulas, amp-hour calculations, and practical examples for reliable off-grid power.
Read MoreCompare the API features of Enphase, SolarEdge and SMA inverters. Learn about data resolution, access methods and limitations, and see which API pairs best with Shop.Solar's performance tracking tools.
Read MoreDownload our free Solar Maintenance Planner spreadsheet to track cleaning schedules, annual inspections, inverter replacements, roof checks and warranty deadlines.
Read MoreExplore federal and California solar incentives in Ontario, CA for 2025 — Clean Energy Credit (30%), property-tax exclusion, NEM 3.0, rebates & SGIP.
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