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Solar guides, checked against the source.
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Buying guides
Home Solar Batteries Compared: Capacity, Power and Warranty
Tesla Powerwall 3, Enphase IQ Battery, FranklinWH, Generac, LG and SolarEdge compared from their datasheets, plus when a battery actually pays for itself.
Solar Financing: Loans, Dealer Fees and How to Compare Offers
How solar loans work, why a low advertised APR can cost more than a higher one, what dealer fees are, and a simple way to compare cash, loan and lease offers.
Solar Inverters Compared: Microinverters, String and Hybrid
Enphase IQ8, SolarEdge, SMA, Fronius, Tesla and Generac inverters compared from datasheets: type, efficiency, battery readiness, rapid shutdown and warranty.
Solar Lease vs. Buy in 2026: What Changed and How to Decide
With the homeowner solar tax credit gone, leases and PPAs are back in the conversation. How each option works, what they really cost and the contract terms to check.
Solar Scams and Red Flags: How to Protect Yourself
The solar sales tactics regulators warn about, the cancellation rights you have in each state, and where to report a solar scam.
Solar Savings and Payback Calculator
Estimate solar system size, cost, incentives, savings and payback with sourced defaults for your state, city and utility. Runs in your browser; no email needed.