MySolarCheck

SunPower Solar Inverters: Observed Use & Cost Data

Dataset evidence showing where and how often SunPower was named in covered installation records. This is adoption data, not a product endorsement or current market-share report.

Share of Named Mentions
9.1%
Observed Mentions
225,236
Median System Cost
$4.50/W
Source Coverage
Through 2023

Median Installed Cost per Watt

$4.50per watt$0.5$5.0

Median full-system price in usable records naming SunPower; this is not the inverter-only price.

Share of Named Records by Year

Share of named records (%)

201820192020202120222023

States with the Most Named SunPower Records

StateObserved Records
California192,845
New York14,660
Arizona6,441
Connecticut3,215
Massachusetts2,215
Texas2,162

Source: LBNL Tracking the Sun 2024. Shares use normalized brand mentions in covered records, not total U.S. market share. Cost is the median full-system price in usable records, not an inverter price or installer quote. Coverage is through 2023.