The background reading behind our calculators — plain-English, updated for 2026, and honest about what changed this year.
The real math behind system sizing — usage, sun hours, roof space — and where most quotes get it wrong.
MoneyThe 30% federal credit is gone for owned systems. Here's what still works and what to check locally.
StorageUsable vs. rated capacity, chemistry trade-offs, real installed cost, and the math on payback.
MoneyWhy two homes with identical panels can get very different bills — and how to check yours.
MoneyTwo completely different ways utilities pay for solar exports — and why mixing them up costs money.
Product GuideAn independent cost and savings estimate — not another installer lead form.
MoneyFour ways to go solar, one honest comparison of what each actually costs you over 20 years.
SizingPanels, battery, backup generator and the realistic budget for going fully independent.
State ComparisonTwo of the biggest solar markets in the country, compared head to head with real numbers.
State ComparisonBoth sunny, both expensive electricity — but very different net metering rules.
State ComparisonTwo sunbelt giants with very different net metering policies.
State ComparisonNeighboring states, both with strong incentive programs — here's the real gap.
State ComparisonNeighboring southeast states with a real gap in net metering strength.
State ComparisonTwo of the strongest incentive states in the country, compared directly.