One engine. Pay once or pay monthly. Never pay through your installer.
We do not sell leads, we do not take installer commissions, and our incentives are aligned with yours. The free Forecast is the same engine that powers the paid tiers — paid tiers add depth, not accuracy.
Forecast
freeShould I go solar?
Address + a utility bill. We run the independent production model and a Monte Carlo across rate-escalation paths. You get the P10–P90 distribution, not a single sales-team number.
Run my forecastAudit
one-timeCheck this proposal.
Drop your installer's PDF. Six independent checks against benchmarks the installer didn't get to choose: year-1 kWh, escalator, dealer fee, DC:AC ratio, equipment spec, incentive stack.
Audit a proposalDecision Pack
one-timeCapital-allocation comparison.
Solar against mortgage prepayment, S&P 500 (with sequence-of-returns risk), and 30-year-treasury comparisons. Tornado sensitivity on every knob. Battery hourly dispatch.
Start with a ForecastTrack
phase 4Did it actually work?
Monthly variance on the forecast you were sold. Bill ingestion via Green Button, production via Enphase / SolarEdge / Tesla. Lands Phase 4 — sign up to be notified.
Track previewDistribution of outcomes, not investment advice. No installer affiliations, no lead-gen, no kickbacks. Read the full methodology before committing.