Solar · Napa County, CA
Solar installers in Napa County
205 companies have installed solar on 2,443 homes here since 2023. Covers Napa, American Canyon, St. Helena, Calistoga, Yountville, Angwin and nearby towns.
Median installed price in Napa County$4.25/WAbout $23,400 for a 5.5 kW system, before incentives (California: $4.07/W)
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| SunrunBased in San Francisco, CA · (805) 242-7255 | 495 | $3.60/W$0.47 below median |
| SunPowerBased in Richmond, CA · (908) 216-1280 | 270 | $4.25/W$0.18 above median |
| Green Stock SolarBased in Napa, CA · (925) 998-8929 | 107 | $3.55/W$0.52 below median |
| Ambrose SolarBased in Vacaville, CA · (707) 999-8036 | 106 | $4.53/W$0.46 above median |
| TeslaBased in Fremont, CA · (702) 680-6683 | 104 | $2.73/W$1.34 below median |
| V3 ElectricBased in El Dorado Hills, CA · (844) 837-6937 | 101 | $5.68/W$1.61 above median |
| Citadel Roofing And SolarBased in Vacaville, CA · (707) 446-5500 | 99 | $2.78/W$1.29 below median |
| Bright OpsBased in Worcester, MA · (888) 997-4469 | 98 | $5.26/W$1.19 above median |
| Northern Pacific PowerBased in Santa Rosa, CA · (707) 528-7652 | 65 | $3.89/W$0.18 below median |
| Better EarthBased in Cerritos, CA · (888) 373-9379 | 52 | $5.00/W$0.93 above median |
| Freedom ForeverBased in Temecula, CA · (800) 885-9450 | 44 | $4.91/W$0.84 above median |
| North ValleyBased in Sacramento, CA · (916) 550-0358 | 42 | $3.50/W$0.57 below median |
| Semper SolarisBased in El Cajon, CA · (619) 715-4054 | 42 | $4.45/W$0.38 above median |
| Master Roofing SolutionsBased in Sacramento, CA · (530) 718-8234 | 31 | $2.50/W$1.57 below median |
| Napa Electric ShopBased in Napa, CA · (707) 252-6611 | 31 | $4.12/W |
| Solar Savings DirectBased in Shingle Springs, CA · (530) 344-3237 | 26 | $3.55/W$0.52 below median |
| High Definition SolarBased in Concord, CA · (925) 566-8282 | 24 | $5.95/W$1.88 above median |
| Complete SolarBased in Lehi, UT · (877) 299-4943 | 22 | $4.25/W$0.18 above median |
| Solarcraft ServicesBased in Novato, CA · (415) 985-7510 | 22 | $4.20/W$0.13 above median |
| Rockin RoofersBased in Petaluma, CA · (707) 285-7037 | 21 | $4.00/W$0.07 below median |
| PowurBased in Del Mar, CA · (480) 626-7056 | 20 | $4.33/W$0.26 above median |
| Sunnova EnergyBased in Houston, TX · (281) 985-9820 | 19 | $3.99/W$0.08 below median |
| Suntegrity SolarBased in Santa Rosa, CA · (707) 623-1464 | 17 | $3.96/W$0.11 below median |
| J J ElectricBased in Sebastopol, CA · (707) 800-3884 | 16 | $3.67/W$0.40 below median |
| ESP ContractingBased in Torrance, CA · (866) 865-4559 | 15 | $4.23/W$0.16 above median |
| GAF EnergyBased in San Rafael, CA · (503) 887-9167 | 15 | $7.90/W$3.83 above median |
| Devine Solar SolutionsBased in Napa, CA · (707) 343-4221 | 14 | $4.36/W$0.29 above median |
| Hooked On SolarBased in Rocklin, CA · (916) 823-3770 | 14 | $4.45/W$0.38 above median |
| Nexus Energy SystemsBased in Garden Grove, CA · (805) 799-9788 | 14 | $4.45/W$0.38 above median |
| Gold Rush Energy SolutionsBased in El Dorado Hills, CA · (530) 556-0416 | 13 | $3.56/W$0.51 below median |
| KOTA ConstructionBased in Newbury Park, CA · (858) 328-2841 | 13 | $5.14/W$1.07 above median |
| Summit ElectricBased in Santa Rosa, CA · (707) 396-5909 | 13 | $3.65/W$0.42 below median |
| Bright Energy GroupBased in Benicia, CA · (435) 619-1304 | 12 | $3.77/W$0.30 below median |
| NRG Clean EnergyBased in Canoga Park, CA · (800) 698-6627 | 11 | $3.24/W$0.83 below median |
| Got Watts ElectricBased in Pleasant Hill, CA · (925) 421-0957 | 10 | $3.80/W$0.27 below median |
| Infinity EnergyBased in Rocklin, CA · (916) 474-4723 | 10 | $4.98/W$0.91 above median |
| RW Solar And ElectricBased in Vacaville, CA · (650) 759-5808 | 10 | $3.55/W$0.52 below median |
| Sun Solar ElectricBased in Petaluma, CA · (707) 658-2157 | 10 | $4.38/W$0.31 above median |
| Sustainable Living BuildersBased in Sebastopol, CA · (707) 595-8500 | 10 | $3.65/W$0.42 below median |
| Titan SolarBased in Mesa, AZ · (855) 729-7652 | 10 | $5.28/W$1.21 above median |
| American Array SolarBased in Livermore, CA · (925) 453-6913 | 9 | $3.07/W$1.00 below median |
| Empower ElectricBased in Clovis, CA · (800) 306-6953 | 9 | $5.65/W$1.58 above median |
| Momentum SolarBased in Metuchen, NJ · (732) 902-6224 | 9 | $2.73/W$1.34 below median |
| SolciusBased in Provo, UT · (844) 970-0175 | 9 | $5.25/W$1.18 above median |
| American SolarBased in Sausalito, CA · (415) 868-1111 | 8 | $4.07/W |
| Diablo Solar ServicesBased in Martinez, CA · (925) 313-0600 | 7 | $4.04/W |
| Titanium SolarBased in Rancho Cucamonga, CA · (626) 689-7198 | 7 | $6.28/W$2.21 above median |
| Vital Energy SolutionsBased in Sebastopol, CA · (707) 800-3884 | 7 | — |
| Abundant Energy ConstructionBased in Lehi, UT · (661) 412-9991 | 6 | $5.89/W$1.82 above median |
| Sunlight PowerBased in Berkeley, CA · (510) 845-2997 | 6 | $4.68/W$0.61 above median |
| West Coast SolarBased in Brentwood, CA · (925) 965-0190 | 6 | $3.78/W$0.29 below median |
| Westcoast Solar EnergyBased in Santa Rosa, CA · (707) 664-6450 | 6 | $3.60/W$0.47 below median |
| American EngineeringBased in Roseville, CA · (916) 969-2900 | 5 | $5.85/W$1.78 above median |
| Apollo Home PerformanceBased in Woodland, CA · (530) 312-8545 | 5 | $4.00/W$0.07 below median |
| California Solar IntegratorsBased in Los Angeles, CA · (858) 382-4867 | 5 | $3.06/W$1.01 below median |
| Element ElectricBased in Dixon, CA · (707) 693-1651 | 5 | $3.29/W$0.78 below median |
| Pure Power SolutionsBased in Healdsburg, CA · (707) 433-6556 | 5 | $2.01/W$2.06 below median |
| Right Now AirBased in Vacaville, CA · (707) 447-3063 | 5 | $6.64/W$2.57 above median |
| Senga EnergyBased in El Dorado Hills, CA · (916) 400-9706 | 5 | $4.13/W$0.06 above median |
| Solar Optimum Design ElectricalBased in Glendale, CA · (818) 804-3122 | 5 | $3.11/W$0.96 below median |
| Spartan Home ServicesBased in Roseville, CA · (916) 596-5624 | 5 | $5.32/W$1.25 above median |
| Sunriver SolarBased in Auburn, CA · (530) 906-7755 | 5 | $3.37/W$0.70 below median |
| TSP Solar Sales And ServicesBased in Hercules, CA · (210) 638-9843 | 5 | $3.92/W$0.15 below median |
| AP ElectricBased in San Fernando, CA · (818) 373-0077 | 4 | $3.47/W$0.60 below median |
| BDS SolarBased in West Hills, CA · (818) 478-0671 | 4 | $3.57/W$0.50 below median |
| Earthwise Energy SolutionsBased in San Anselmo, CA · (800) 396-6949 | 4 | $4.42/W$0.35 above median |
| Green Day ElectricBased in Sacramento, CA · (916) 758-8030 | 4 | $3.93/W$0.14 below median |
| Ilum Energy SolutionsBased in Sacramento, CA · (888) 696-4586 | 4 | $4.19/W$0.12 above median |
| Lifestyle SolarBased in Fresno, CA · (559) 228-0229 | 4 | $2.97/W$1.10 below median |
| Mirador ConstructionBased in Fairfield, CA · (707) 301-8933 | 4 | $3.30/W$0.77 below median |
| Safe Haven SolarBased in Sutter, CA · (530) 649-4831 | 4 | $4.55/W$0.48 above median |
| Sunrise SolarBased in Forestville, CA · (707) 584-6807 | 4 | $3.78/W$0.29 below median |
| Ameco SolarBased in Valley Village, CA · (562) 633-4400 | 3 | $3.68/W$0.39 below median |
| Axia SolarBased in Irvine, CA · (949) 748-5996 | 3 | $3.42/W$0.65 below median |
| BpiBased in Napa, CA · (707) 252-9990 | 3 | — |
| Future Energy SaversBased in Wilton, CA · (916) 686-3008 | 3 | $6.07/W$2.00 above median |
| Green Line SolarBased in Novato, CA · (415) 495-4950 | 3 | $4.00/W$0.07 below median |
| NC Solar ConstructionBased in Manteca, CA · (209) 740-3551 | 3 | $3.69/W$0.38 below median |
| Nationwide SunBased in Rocklin, CA · (916) 259-2082 | 3 | $3.35/W$0.72 below median |
| Norcal ContractingBased in Petaluma, CA · (707) 762-8075 | 3 | $3.57/W$0.50 below median |
| Planet Oath EnergyBased in Pismo Beach, CA · (831) 706-8930 | 3 | $4.85/W$0.78 above median |
| Prime SolutionsBased in Roseville, CA · (916) 878-1176 | 3 | $3.39/W$0.68 below median |
| Quattro SolarBased in Novato, CA · (415) 312-2661 | 3 | — |
| Rca ElectricBased in Windsor, CA · (707) 595-3837 | 3 | — |
| Sandbar SolarBased in Santa Cruz, CA · (831) 469-8888 | 3 | $4.35/W$0.28 above median |
| Sol R Us Electrical EngineeringBased in Concord, CA · (925) 664-8008 | 3 | $3.30/W$0.77 below median |
| Solar TechnologiesBased in San Ramon, CA · (925) 939-8300 | 3 | $4.55/W$0.48 above median |
| Sonoma Power SolutionsBased in Sonoma, CA · (707) 299-7985 | 3 | — |
| Sun FirstBased in San Rafael, CA · (415) 458-5870 | 3 | $4.21/W$0.14 above median |
| Suntrek IndustriesBased in Irvine, CA · (949) 348-9276 | 3 | $4.20/W$0.13 above median |
| A1 Guaranteed Heating AirBased in Vallejo, CA · (707) 645-0734 | 2 | — |
| Aztec SolarBased in Rancho Cordova, CA · (916) 853-2700 | 2 | $3.69/W$0.38 below median |
| Corda SolarBased in Danville, CA · (925) 381-0881 | 2 | $3.37/W$0.70 below median |
| Davis Myles ElectricBased in Napa, CA · (707) 974-5584 | 2 | — |
| Dynamic Energy ElectricBased in Yuba City, CA · (530) 701-6275 | 2 | $2.70/W$1.37 below median |
| Excite EnergyBased in El Dorado Hills, CA · (916) 914-8900 | 2 | $3.35/W$0.72 below median |
| Henry MechanicalBased in Windsor, CA · (707) 322-0601 | 2 | — |
| I Love MY SolarBased in Ione, CA · (209) 712-3301 | 2 | $3.33/W$0.74 below median |
| Kingdom SolarBased in Livermore, CA · (925) 481-8903 | 2 | $3.66/W$0.41 below median |
| Kodiak Roofing And WaterproofingBased in Roseville, CA · (916) 907-7645 | 2 | $6.67/W$2.60 above median |
| Levion ConstructionBased in Irvine, CA · (951) 499-5956 | 2 | $6.78/W$2.71 above median |
| Off Grid Energy SolutionsBased in American Fork, UT · (208) 243-6701 | 2 | — |
| Qcells for New HomesBased in Irvine, CA · (760) 578-7215 | 2 | — |
| SWSS ElectricalBased in Garden Grove, CA · (714) 582-3909 | 2 | $3.36/W$0.71 below median |
| Skyline Smart EnergyBased in Downey, CA · (503) 702-2622 | 2 | $5.55/W$1.48 above median |
| SolarunionBased in San Diego, CA · (888) 363-9373 | 2 | $4.09/W |
| South West BuildersBased in Chatsworth, CA · (855) 808-8887 | 2 | $7.29/W$3.22 above median |
| SunvaultBased in Fremont, CA · (240) 515-5671 | 2 | $3.05/W$1.02 below median |
| Swell ContractorsBased in Santa Monica, CA · (310) 340-0493 | 2 | $3.13/W$0.94 below median |
| Trulysun EnergyBased in San Francisco, CA · (501) 550-9134 | 2 | $2.53/W$1.54 below median |
| Turn Key ConstructionBased in Fresno, CA · (559) 321-8130 | 2 | $3.29/W$0.78 below median |
| Twinpeak SolarBased in Fairfield, CA · (707) 344-0295 | 2 | $2.79/W$1.28 below median |
| United Solar ElectricBased in Brentwood, CA · (925) 679-4665 | 2 | $3.50/W$0.57 below median |
| Western States InvestorsBased in Saint Helena, CA · (707) 410-7114 | 2 | — |
| Westhaven PowerBased in Yuba City, CA · (530) 554-2970 | 2 | $5.20/W$1.13 above median |
| Your Energy SolutionsBased in Livermore, CA · (925) 380-9500 | 2 | $3.90/W$0.17 below median |
| Alco Building SolutionsBased in Arcadia, CA · (408) 209-3826 | 1 | — |
| Alden ElectricBased in Napa, CA · (707) 313-5221 | 1 | — |
| All Bay Solar ConstructionBased in San Francisco, CA · (415) 624-3535 | 1 | $4.10/W |
| All Electric SolarBased in Livermore, CA · (925) 738-8381 | 1 | $3.90/W$0.17 below median |
| Alpine ElectricBased in Santa Rosa, CA · (707) 291-6890 | 1 | — |
| American(916) 291-7485 | 1 | — |
| BDH Electrical ConstructionBased in Chino, CA · (877) 765-2388 | 1 | $4.93/W$0.86 above median |
| BLM HoldingsBased in Chico, CA · (530) 354-0207 | 1 | $2.77/W$1.30 below median |
| Bratton SolarBased in Fresno, CA · (559) 974-0820 | 1 | $4.17/W$0.10 above median |
| Bryton PowerBased in Lindon, UT · (949) 927-9866 | 1 | $3.45/W$0.62 below median |
| Calpro SolarBased in Brentwood, CA · (925) 420-1006 | 1 | $3.32/W$0.75 below median |
| Citdel Roofing & SolarBased in Vacaville, CA · (707) 446-5500 | 1 | — |
| Cool Earth SolarBased in Pleasanton, CA · (925) 223-8547 | 1 | $3.89/W$0.18 below median |
| Cozy Home ServicesBased in Vacaville, CA · (707) 474-5097 | 1 | $4.08/W |
| DC Solar ElectricBased in Colfax, CA · (530) 786-7070 | 1 | $3.68/W$0.39 below median |
| Dap Power SystemsBased in Napa, CA · (707) 304-4309 | 1 | — |
| Del Sol EnergyBased in Brentwood, CA · (925) 350-4121 | 1 | $3.56/W$0.51 below median |
| Depinho Roofing SolarBased in Orange, CA · (707) 567-5120 | 1 | $4.39/W$0.32 above median |
| Domingo Brian ConstructionBased in Roseville, CA · (916) 202-9040 | 1 | — |
| EXO EnergyBased in Temecula, CA · (760) 502-7448 | 1 | $3.80/W$0.27 below median |
| Enable Energy(916) 801-4374 | 1 | — |
| Energy Savings AuthorityBased in Roseville, CA · (916) 202-9040 | 1 | $4.35/W$0.28 above median |
| Enpower StarBased in Chatsworth, CA · (855) 477-4674 | 1 | $5.01/W$0.94 above median |
| EvergreenBased in Sacramento, CA · (916) 969-3413 | 1 | $3.63/W$0.44 below median |
| Fitzgerald EBased in Santa Rosa, CA · (707) 791-0146 | 1 | — |
| Focus Solar EnergyBased in Sacramento, CA · (559) 549-4681 | 1 | $3.66/W$0.41 below median |
| Global Hvac And ConstructionBased in Vacaville, CA · (707) 628-8655 | 1 | — |
| Golden Gate ElectricBased in Daly City, CA · (415) 676-7717 | 1 | $3.70/W$0.37 below median |
| GomaxxxBased in Vallejo, CA · (650) 307-9007 | 1 | $2.65/W$1.42 below median |
| Graham SolarBased in Roseville, CA · (844) 500-7652 | 1 | $5.00/W$0.93 above median |
| Green Air Heating And Air ConditioningBased in Concord, CA · (925) 284-7336 | 1 | $4.19/W$0.12 above median |
| Green Integrations And ManagementBased in Los Angeles, CA · (818) 900-5471 | 1 | $3.91/W$0.16 below median |
| Greg Gayler Construction | 1 | — |
| Hci SolarBased in Walnut Creek, CA · (925) 350-9890 | 1 | $3.64/W$0.43 below median |
| Ilum SolarBased in Sacramento, CA · (888) 696-4586 | 1 | $4.79/W$0.72 above median |
| IntegratesunBased in Sacramento, CA · (855) 999-1850 | 1 | — |
| JHP ElectricBased in Elk Grove, CA · (916) 717-8240 | 1 | $3.37/W$0.70 below median |
| Jr Construction Solar SolutionsBased in Napa, CA · (707) 299-8850 | 1 | — |
| Kat Electric ServiceBased in Bay Point, CA · (925) 285-5118 | 1 | — |
| Kuubix EnergyBased in Visalia, CA · (208) 936-2067 | 1 | $5.30/W$1.23 above median |
| Lightday SolarBased in Hemet, CA · (909) 871-8016 | 1 | — |
| Lightyear SolarBased in Hemet, CA · (909) 871-8016 | 1 | — |
| Lumio HXBased in Lehi, UT · (385) 390-3539 | 1 | $3.29/W$0.78 below median |
| LytegenBased in Sacramento, CA · (213) 651-6148 | 1 | — |
| Main Street ElectricBased in Saint Helena, CA · (707) 410-7114 | 1 | — |
| Megawatt BrosBased in Sacramento, CA · (415) 758-1488 | 1 | — |
| Michael And Sun SolarBased in Graton, CA · (707) 657-9068 | 1 | $3.76/W$0.31 below median |
| Myers ElectricBased in Colton, CA · (732) 351-2258 | 1 | $3.01/W$1.06 below median |
| NORTH BAY HEATING, AIR CONDITIONING AND SHEET METAL, INC. dba Henry Mechanical SolarBased in Windsor, CA · (707) 322-0601 | 1 | — |
| NextsolarBased in San Carlos, CA · (650) 375-2430 | 1 | $3.10/W$0.97 below median |
| Origin Solar UsaBased in Roseville, CA · (916) 770-5081 | 1 | $3.69/W$0.38 below median |
| P J Erwin ElectricBased in Oakland, CA · (510) 282-5015 | 1 | $4.20/W$0.13 above median |
| Palmetto SolarBased in Charlotte · (516) 509-8192 | 1 | $3.67/W$0.40 below median |
| Penguin Home SolutionsBased in Riverside, CA · (951) 324-5059 | 1 | $4.55/W$0.48 above median |
| Pioneer Solar ServicesBased in Nevada City, CA · (530) 264-0295 | 1 | $4.44/W$0.37 above median |
| Porticade EnergyBased in Lehi, UT · (801) 602-7237 | 1 | — |
| Powerhouse FulfillmentBased in Sacramento, CA · (916) 550-2129 | 1 | $4.15/W$0.08 above median |
| RenvoBased in Orangevale, CA · (916) 670-4101 | 1 | — |
| Rikety VenturesBased in San Ramon, CA · (925) 202-2238 | 1 | $4.20/W$0.13 above median |
| Samara LivingBased in Redwood City, CA · (408) 915-1779 | 1 | — |
| Sameday SolutionsBased in Danville, CA · (925) 318-1834 | 1 | — |
| Save A Lot SolarBased in Oakland, CA · (833) 876-5272 | 1 | $4.20/W$0.13 above median |
| Saveco SolarBased in Hildale, UT · (435) 467-8303 | 1 | — |
| Sierra Roofing And SolarBased in Dublin, CA · (925) 803-1601 | 1 | $3.77/W$0.30 below median |
| Solar DoctorsBased in Diamond Springs, CA · (510) 940-9756 | 1 | $2.87/W$1.20 below median |
| Solar and Roof DirectBased in Shingle Springs, CA · (530) 344-3237 | 1 | — |
| Solarlink Energy ConstructionBased in Rancho Cordova, CA · (213) 561-4999 | 1 | $3.18/W$0.89 below median |
| SolcoreBased in Rancho Cordova, CA · (833) 765-2673 | 1 | $5.93/W$1.86 above median |
| SoleevaBased in San Jose, CA · (510) 509-0882 | 1 | $3.28/W$0.79 below median |
| Solgen ElectricBased in Logan, UT · (844) 658-0005 | 1 | $6.15/W$2.08 above median |
| Sonomarin SolarBased in San Rafael, CA · (707) 849-8543 | 1 | $3.90/W$0.17 below median |
| StorBased in Roseville, CA · (916) 415-8048 | 1 | — |
| Sun Up ElectricBased in Orangevale, CA · (916) 812-2879 | 1 | $3.01/W$1.06 below median |
| Sungenix EnergyBased in San Jose, CA · (408) 475-0026 | 1 | — |
| Sunny Creek SolarBased in Esparto, CA · (530) 650-9770 | 1 | $2.08/W$1.99 below median |
| SunworksBased in Roseville, CA · (530) 519-3990 | 1 | — |
| Superior Solar Electric GroupBased in Rancho Cordova, CA · (714) 362-7363 | 1 | $2.55/W$1.52 below median |
| Symetric EnergyBased in Ross, CA · (415) 257-3060 | 1 | $4.15/W$0.08 above median |
| Synergy Power CaBased in Livermore, CA · (925) 273-3515 | 1 | $3.69/W$0.38 below median |
| Thern Electric And SolarBased in Napa, CA · (707) 310-7185 | 1 | — |
| TimeproofusaBased in Riverside, CA · (951) 704-0213 | 1 | $2.60/W$1.47 below median |
| Trusource EnergyBased in Danville, CA · (925) 858-4220 | 1 | — |
| Urban DesignBased in Paradise, CA · (530) 345-0005 | 1 | $3.50/W$0.57 below median |
| Valley Solar And WaterBased in Sacramento, CA · (916) 254-5111 | 1 | $3.41/W$0.66 below median |
| Ve ElectricBased in Vacaville, CA · (707) 448-8222 | 1 | — |
| Villara Building SystemsBased in Mcclellan, CA · (916) 240-5695 | 1 | $3.01/W$1.06 below median |
| Wing Solar Wood EnergyBased in Red Bluff, CA · (530) 953-6134 | 1 | $3.65/W$0.42 below median |
| Xero SolarBased in El Segundo, CA · (310) 376-8740 | 1 | $4.97/W$0.90 above median |
| Zero Energy AssociatesBased in Sebastopol, CA · (707) 544-3900 | 1 | $3.50/W$0.57 below median |
Ranked by homes installed, which shows who’s active here, not who’s best. Prices are each company’s median for systems sold outright, shown when it sold at least 10.
Towns in Napa County: Napa, American Canyon, St. Helena, Calistoga, Yountville, Angwin, Deer Park, Moskowite Corner, Oakville, Rutherford, Silverado Resort.
Other California counties
Alameda CountyAlpine CountyAmador CountyButte CountyCalaveras CountyColusa CountyContra Costa CountyEl Dorado CountyFresno CountyGlenn CountyHumboldt CountyImperial CountyInyo CountyKern CountyKings CountyLake CountyLassen CountyLos Angeles CountyMadera CountyMarin CountyMariposa CountyMendocino CountyMerced CountyMono CountyMonterey CountyNevada CountyOrange CountyPlacer CountyPlumas CountyRiverside CountySacramento CountySan Benito CountySan Bernardino CountySan Diego CountySan Francisco CountySan Joaquin CountySan Luis Obispo CountySan Mateo CountySanta Barbara CountySanta Clara CountySanta Cruz CountyShasta CountySierra CountySolano CountySonoma CountyStanislaus CountySutter CountyTehama CountyTrinity CountyTulare CountyTuolumne CountyVentura CountyYolo CountyYuba County
How much does solar cost in Napa County, CA?
Homes in Napa County that bought solar in 2023–2025 paid a median $4.25/W installed, about $23,400 for a 5.5 kW system before incentives.
Which solar companies install in Napa County, CA?
205 installers have put in home systems in Napa County since 2023, the busiest being Sunrun, SunPower, Green Stock Solar, Ambrose Solar, Tesla.
Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.