SolarControllerFinder

By state

DIY solar by state

State policy and physical sun conditions both matter for DIY off-grid and grid-tied solar economics. Tax credits, net metering, sales tax exemptions, and peak sun hours vary wildly across the US. Here's the honest breakdown for the states we've researched in depth.

California

NEM 3.0 changed everything; battery-first now wins

Arizona

Best sun in the lower 48 + $1,000 state credit

Texas

No statewide net metering — provider choice matters

Florida

Full retail net metering + hurricane considerations

Colorado

Altitude boost + full net metering + DIY-friendly

Oregon

Lowest sun hours in lower 48 — oversize the array

New Mexico

$6,000 state credit + 6.5 sun hours — best stack in country

New Jersey

Active SREC market + full retail net metering

Massachusetts

SMART program + state credit + full net metering

New York

$5,000 state credit + VDER compensation

Hawaii

Highest electricity rates in the US + $5,000 RETITC + battery-first design wins

Illinois

Illinois Shines pays upfront SRECs — $3K–$8K back at install

Maryland

$1,000 rebate + SREC market + sales tax exemption + $5K storage credit

Vermont

Strongest net metering in the US, brutal December sizing

Washington

Lowest sun in the lower 48, but full net metering + no sales tax

More states coming. Want yours next? Email spencerdstone@gmail.com.