Solar developer
JEFF'S INC
58 recorded solar installations developed by JEFF'S INC — mostly in California.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations developed
58
Total capacity
109 kW
DC nameplate
States
1
Median size
2 kW
Median $/W
$2.10/W
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2021
10
2022
4
2023
4
2024
6
2025
25
2026
2
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Jan 29, 2026 | Apt# 8, CA | 1 kW | $2.90/W | COM |
| Jan 8, 2026 | Fair Oaks, CA | 2 kW | $2.15/W | COM |
| Dec 16, 2025 | Apt# 1, CA | — | — | COM |
| Dec 16, 2025 | Apt# 22, CA | — | — | COM |
| Dec 3, 2025 | Apt# 4, CA | 1 kW | $2.70/W | COM |
| Nov 25, 2025 | No# 145, CA | 2 kW | $1.75/W | COM |
| May 1, 2025 | Sacramento, CA | 2 kW | $1.75/W | COM |
| Mar 20, 2025 | No# 147, CA | 4 kW | $1.83/W | COM |
| Mar 15, 2025 | Carmichael, CA | 2 kW | $1.85/W | COM |
| Mar 15, 2025 | Apt# 104, CA | 2 kW | $1.50/W | COM |
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Service geography
Frequently asked questions
How many solar installations has JEFF'S INC developed?
PanelCensus records 58 installations developed by JEFF'S INC, from Feb 26, 2021 to Jan 29, 2026, totalling 109 kW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.
Where does JEFF'S INC operate?
Most recorded activity is in California (58).