PV & Storage Economics
A transparent calculator for high-level PV and storage economics.
Tools
Small utilities. Clear assumptions.
A reserved entrypoint for browser-first tools that make inputs, units, formulas, and limitations visible.
IRR & ROI
A plain-language return model with visible assumptions and units.
Project Screening
A structured first-pass checklist for energy-project discussions.
Publishing standard
Useful before clever.
- 01
Browser-first
Default to local calculation in the browser, without collecting or transmitting user data.
- 02
Visible model
Show inputs, units, assumptions, formulas, and limitations beside the result.
- 03
No false authority
Estimates are not investment, engineering, legal, or tax advice. Validate each tool against explicit test cases before release.