The independent audit layer for off-grid solar.
We show the real build cost of every solar kit — the advertised price plus any required parts the kit leaves out. Refreshed every six hours.
See this week's biggest price drops →
- Kits tracked
- 355
- Brands
- 30
- Price refresh
- 6h
- Always free
- $0
Receipt of the week
This kit ships at $180. It costs $588 to actually use.
The Renogy 200W 12V Mono Starter Kit — 30A PWM Controller arrives missing 2 required parts. Without them, the system doesn't make power. We priced what's missing — and stamped it on a receipt.
Read the full auditFind your build
Browse by what you're powering
RV & van life
Weight, mounting, mobility
Weekend cabin
Quiet, off-meter, low maintenance
Homestead
Daily loads, year-round autonomy
Emergency
Outages, evacuation, medical
Shed / workshop
Lights, tools, occasional use
Boat / marine
Sealed, salt-resistant, 12V
Or start with a curated guide
How we work
Independent. Cohort-normalized. Updated every six hours.
We don't have an editor's pick. We don't take fees from manufacturers. Every kit is broken into the same seven roles, scored by the same formula, and re-priced from live retailer feeds.