Never sign a solar contract without an independent audit.
Solar salespeople routinely hide 25% to 40% dealer fees inside deceptive low-APR financing and oversell unneeded battery capacity. SolarLedger benchmarks your proposal against true wholesale equipment costs.
Click Your State to View Local Solar Tariffs & Payback
Explore real net-billing policies, NREL irradiance profiles, and fair $/W cash benchmarks for each state.
How a $34,850 Sunrun Quote Actually Broke Down
An 8.5 kW DC rooftop system quoted in Maricopa County, AZ with an advertised "2.99% APR Solar Loan".
21x Tier 1 405W panels ($3,570), Enphase IQ8+ micros ($3,230), IronRidge rails ($1,000).
AHJ permits, structural engineering stamp, master electrician interconnect & fair company profit.
47.7% tacked onto loan principal to buy down the rate. Homeowner paid 91% above fair cash value.
Complete Solar Intelligence Architecture
Every technical, legal, and financial component mapped without sales bias.
Pre-Purchase Watchdog & Defense
Protect yourself against misleading sales pitches, predatory 25-year PPAs, dealer fee markups, and defunct solar contractors leaving orphaned arrays.
Engineering & Code Compliance
Master electricians’ reference library. Load calculations, NEC 220, string voltage drop, UL 9540A battery fire codes, and smart panel integration.
Tariffs, Cash Markets & IRA 2026
Navigate the collapse of net metering, monetize state SREC certificates directly, and utilize IRS Section 6418 clean energy transferability credits.