Rumsey, CA solar installation & market data
Updated December 12, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Rumsey has 19 solar installations across 1 zip code at a median installed cost of $3.53/W, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
19
Zip markets
1
Median cost
$3.53/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Rumsey scores higher than 48% of U.S. zip markets.
Versus California
How Rumsey compares with the state
Installed cost
$0.73/W below
state median $4.26/W
Market score
42 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
21.1%
state 12.7%
Statewide momentum
▲ 1.1%
residential solar added in California, 12 months through Jul 2026
Statewide market
2.3M systems
30.9% of homes · utility-reported through Jul 2026
Growth & pricing
Rumsey by year
1 installs in the trailing twelve months vs 4 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Rumsey
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | GWERDER CONSTRUCTION | 5 | 1 | 1 | $2.88 |
| 2 | CUSTOM DESIGN AND CONSTRUCTION | 3 | 0 | 1 | $3.25 |
| 3 | AMBROSE SOLAR | 2 | 0 | 1 | $8.89 |
| 4 | FIVE STAR SOLAR | 1 | 0 | 1 | $4.36 |
| 5 | GOLD RUSH ENERGY SOLUTIONS | 1 | 0 | 1 | $5.65 |
| 6 | HOOKED ON SOLAR | 1 | 0 | 1 | — |
| 7 | JESS KNOLLE ELECTRIC | 1 | 0 | 1 | $1.99 |
| 8 | NORTH COAST SOLAR | 1 | 0 | 1 | $6.16 |
| 9 | SEMPER SOLARIS | 1 | 0 | 1 | — |
| 10 | SUNGEVITY | 1 | 0 | 1 | $2.42 |
| 11 | UTILITY CONSERVATION SERVICES | 1 | 0 | 1 | — |
| 12 | V3 ELECTRIC | 1 | 0 | 1 | $5.40 |
Zip markets
Zips in Rumsey
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95679 | 19 | $3.53 | 42 C |