Independent reviews, buying guides, and savings calculators for home energy technology
Honest cost analysis for EVs, solar, heat pumps, and home batteries. No sponsored placements.
The Greener Electron is written by Nic, an independent researcher covering the technology that lowers energy bills. Every recommendation comes from manufacturer data and published specs. No sponsored placements, no pay-to-play rankings.
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Updated October 2026: We verified the models, specs, prices, tax rules, and rebate examples below against manufacturer pages and 2026 sources. Prices, rebates, and installation costs
Updated September 2026: The 30% federal residential solar credit ended on December 31, 2025, and is not available for systems you buy in 2026. Prices, loan
Updated September 2026: This guide reflects 2026 pricing and models. Battery prices and promotions change often, so before you buy, verify the current price and specifications
Updated September 2026: The federal 25C home improvement credit ended December 31, 2025. This guide assumes zero federal tax credit for 2026 installations. Prices, rebates, and
Updated September 2026: We verified the specs, prices, tax rules, and rebate examples below against manufacturer pages and 2026 sources. Prices, rebates, and installation costs change
A realistic look at where EV batteries are headed: solid-state timelines, charging speeds, costs, and what actually matters for your next car.