Counts and license facts from public records, not a review or rating. I have no partnership with One Solar; the name is as the utility recorded it.
One Solar at a glance
| Cities in my records | Phoenix |
|---|---|
| Systems in records | 91 |
One Solar systems by city
| City | Systems | Years covered | Rank by systems | Share of city records | Earliest record | Latest record |
|---|---|---|---|---|---|---|
| Phoenix, AZ | 91 | 2022–2023 | 38 of 57 | 0.6% | 2023 | 2023-12 |
Source: LBNL Tracking the Sun, utility interconnection records for ZIP codes around each city. How I count.
Where One Solar stands among local companies
- Phoenix: number 38 of 57; Burro Electric (94) is one place above, Nerd Power Az (79) one place below.
System size, batteries and leases
- Phoenix: typical system 6.8 kW against 8.8 kW for the typical company in Phoenix; 0% of systems had a battery. 64% of them were leased or under a PPA (all Phoenix records: 11%).
Offered a lease or PPA? Read lease vs buy first.
Before you sign
- License. Look the company up with the Arizona Registrar of Contractors and check the name on the contract matches the license.
- Run the quote through the quote checker and the list in how to check a solar quote.
Companies of similar size in Phoenix records
Erus Energy (107), Quality Contractor Services (107), Burro Electric (94), Nerd Power Az (79), Bright Home Solar (77), Arcadia Solar (63). Full list: solar companies in Phoenix.