The silent-loss calculator

What's your system losing while nobody watches?

Solar failures are silent, a system can run 10% under for years without a single alert. Put your numbers in and see what that silence costs.

3 kW16 kW
CA average ~$0.30–0.42 · TX ~$0.14–0.18
Soiling alone: 5–15%Failed string: 20%+
$,
silently lost per year
$,
per month
$,
over 10 years unwatched
Assumes ~1,500 kWh produced per kW per year (typical well-sited home). Your health check uses your real data.