Where North Valley Ranks
Position among installers of home solar in each city, by installations in the most recent three years of records, and how North Valley compares with the local market there.
Its strongest market is Vallejo, where it accounts for 7% of the home systems with a known installer.
| City | Rank | Installations | Local share | Leased (city average) |
|---|---|---|---|---|
| Vallejo, California | #3 | 113 | 7% | 98% (50%) |
| Fairfield, California | #4 | 191 | 6% | 98% (35%) |
What North Valley Installs
- Typical system size
- 7.1 kW
- Leased or on a PPA
- 94%
- Installed with a battery
- 75%
Mostly sells leases and power purchase agreements: you pay monthly and don't own the panels.
Panel brands
- LONGi Green Energy (30%)
- CSI Solar (19%)
- Qcells (19%)
Inverter brands
- Tesla (34%)
- Enphase Energy (32%)
- SolarEdge (31%)
North Valley Prices Compared With the State
Median price per watt of systems the homeowner bought outright, before incentives.
| State | North Valley | State median | Difference |
|---|---|---|---|
| California (2023–2025) | $4.92/W | $4.25/W | 16% higher |
Home Installations per Year
Records for the most recent year can be incomplete while utilities finish reporting.
Where North Valley Installs Most
| City | Installations (2023–2025) |
|---|---|
| Fairfield, CA | 191 |
| Suisun City, CA | 126 |
| Vallejo, CA | 113 |
| Vacaville, CA | 112 |
| Stockton, CA | 97 |
| Lincoln, CA | 91 |
| Woodland, CA | 78 |
| Penn Valley, CA | 60 |
| Rocklin, CA | 52 |
| West Sacramento, CA | 50 |
| Yuba City, CA | 42 |
| Auburn, CA | 32 |
| Plumas Lake, CA | 32 |
| Pittsburg, CA | 29 |
| Santa Rosa, CA | 28 |
Specialist Rankings
Where North Valley ranks among the companies that install the most systems with a battery or with a given inverter brand.
- Solar Battery Installers in Fairfield, CA: #2 (142 systems)
- Solar Battery Installers in Vallejo, CA: #3 (94 systems)
- SolarEdge Installers in Stockton, CA: #8 (17 systems)
- Solar Battery Installers in Stockton, CA: #10 (79 systems)
- Solar Battery Installers in Concord, CA: #10 (20 systems)
Other Top Installers in Vallejo
The companies ranked next to North Valley in Vallejo, by home installations in 2023–2025.
| Company | Installations | Median price | Leased / PPA |
|---|---|---|---|
| Sunrun | 447 | $4.27/W | 90% |
| Bright Planet Solar | 202 | $6.85/W | 68% |
| Ambrose Solar | 66 | $5.20/W | 0% |
| Better Earth | 61 | $5.61/W | 30% |
| Tesla | 45 | $4.73/W | 0% |
| Semper Solaris | 43 | $5.00/W | 16% |
North Valley: Common Questions
Is North Valley still in business?
North Valley was still installing home solar in 2025, the latest year in the public records we use, and it is not on our list of installers that closed or went bankrupt. Records lag a year or two, so confirm before you sign: recent Google reviews show whether it is still answering customers.
Does North Valley lease solar panels or sell them?
94% of its home systems in 2023–2025 were leased or on a power purchase agreement, and 6% were bought by the homeowner. Mostly sells leases and power purchase agreements: you pay monthly and don't own the panels.
What solar panels and inverters does North Valley install?
Panels: LONGi Green Energy (30%), CSI Solar (19%) and Qcells (19%). Inverters: Tesla (34%), Enphase Energy (32%) and SolarEdge (31%). Shares of its home systems in 2023–2025 with a known brand.
How much does North Valley charge for solar?
In California (2023–2025), homeowners who bought a system from North Valley paid a median of $4.92/W before incentives — 16% higher than the state median of $4.25/W. For its typical 7.1 kW system, that is about $34,500.
Does North Valley install solar batteries?
75% of its home systems in 2023–2025 included a battery. It ranks among the top battery installers in Fairfield, CA, Vallejo, CA, Stockton, CA.
Where does North Valley install solar?
Most of its recent work is in Fairfield (191), Suisun City (126), Vallejo (113), Vacaville (112) and Stockton (97). It is ranked in 2 cities in California.
Before You Sign With North Valley
- California license: ask for the license number and look it up on the CSLB site; solar work needs a C-46, C-10 or B license.
- Reviews and contact details: see North Valley on Google Maps, where recent reviews tell you more than any ranking.
- Quotes: get at least three, and compare price per watt, equipment brands and the workmanship warranty — not just the monthly payment.
Compare North Valley with other installers
The Vallejo ranking puts North Valley next to the other companies that install the most there, with each one's price and leasing share.
Top solar installers in Vallejo →Where These Numbers Come From
Source: Tracking the Sun, Lawrence Berkeley National Laboratory (2026 edition), licensed CC BY 4.0. In New York and New Jersey, recent years come from the state programs' own records (NYSERDA and New Jersey's Clean Energy Program). Company names were standardized and closures checked against news reports by Solar Power Fix. More about our methodology.