Meet SolarDNA. Pricing built on the data you already trust.
United States › California › Yolo County

Yolo County, CA solar installation & market data

Updated May 28, 2026 By The SolarDNA Data Team
Yolo County has 23,391 solar installations across 20 zip codes at a median installed cost of $4.25/W, installations down 16.6% over the trailing twelve months, and an installs-weighted Market Score of 46.
Active installations
23,391
Zip markets
20
Median cost
$4.25/W
12-mo growth
▼ 16.6%
Installers active
802
46
County Market Score
Great · installs-weighted across 20 zips
Best zip in Yolo County scores higher than 97% of U.S. zip markets.
Versus California

How Yolo County compares with the state

Installed cost
$0.01/W below
state median $4.26/W
Market score
46 vs 53
California scores 53
Share of state installs
1.03%
of 2.3M tracked statewide
Battery attach
6.8%
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
Next-12-month outlook: 1,049–1,282 installs (midpoint 1,165)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing

Yolo County by year

1,270 installs in the trailing twelve months vs 1,523 before

Installations by year
Median installed cost, $/W DC by year
Installer comp set

Who installs in Yolo County

Summed across every zip in the county

Export CSV
#InstallerInstalls12-moZips$/W
1SUNRUN3,37129016$4.34
2SUNPOWER2,324213$4.76
3TESLA1,9715517$5.07
4WEST COAST SOLAR1,0767611$3.79
5LEONARD ROOFING72003$2.63
6CITADEL ROOFING AND SOLAR59612510$3.05
7SONRAY CONSTRUCTION592126$3.72
8V3 ELECTRIC5161815$3.54
9BRIGHT OPS4752013$4.10
10HOOKED ON SOLAR418516$4.33
11FUTURE ENERGY SAVERS40569$6.54
12AMBROSE SOLAR3813710$4.44
13ALL ABOUT SOLAR304311$3.29
14FREEDOM FOREVER2953014$4.40
15TALBOTT SOLAR287010$7.42
16SUNWORKS269014$3.68
17NORTH VALLEY2603612$4.72
18PETERSENDEAN247011$3.46
19SIERRA PACIFIC HOME AND COMFORT243013$5.68
20REC SOLAR COMMERCIAL214010$5.78
21CAPITAL CITY SOLAR20119$4.53
22ROBERTS SOLAR15407$4.75
23AZTEC SOLAR1481111$3.90
24SOLECTRIC14577$3.81
25EMPOWER ELECTRIC13809$6.28
Zip markets

Zips in Yolo County

Ranked by installations · click for the zip market

ZipInstalls$/WScore
956164,624$4.5048 B
957764,407$3.9839 D
956914,371$4.2550 B
956953,857$4.4050 B
956182,510$4.2454 A
956941,692$4.2536 D
95605922$3.7438 D
95627387$4.4739 C
95937136$4.7037 D
95645125$4.3838 D
95612101$3.7641 C
9563757$3.7041 C
9560745$3.8541 C
9565343$4.4238 D
9569834$3.9840 C
9560630$3.0244 C
9569727$4.0839 C
9567919$3.5342 C
957982$2.3647 B
957992$4.9135 D