Solar developer
HERVE BILLIET
72 recorded solar installations developed by HERVE BILLIET — mostly in District of Columbia.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations developed
72
Total capacity
789 kW
DC nameplate
States
1
Median size
7.8 kW
Median $/W
—
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2017
5
2018
16
2019
9
2020
10
2021
11
2022
5
2023
6
2024
5
2025
5
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Nov 17, 2025 | Washington, DC | 7.8 kW | — | COM |
| Nov 12, 2025 | Washington, DC | — | — | COM |
| Nov 10, 2025 | Washington, DC | 6 kW | — | COM |
| Sep 11, 2025 | Washington, DC | 44 kW | — | COM |
| Aug 15, 2025 | Washington, DC | — | — | COM |
| Jul 23, 2024 | Washington, DC | 7.8 kW | — | COM |
| Jun 18, 2024 | Washington, DC | 5.7 kW | — | COM |
| Jun 4, 2024 | Washington, DC | 7.8 kW | — | COM |
| Mar 15, 2024 | Washington, DC | 10.1 kW | — | COM |
| Mar 13, 2024 | Washington, DC | 4.9 kW | — | COM |
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Service geography
Frequently asked questions
How many solar installations has HERVE BILLIET developed?
PanelCensus records 72 installations developed by HERVE BILLIET, from Jul 5, 2017 to Nov 17, 2025, totalling 789 kW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.
Where does HERVE BILLIET operate?
Most recorded activity is in District of Columbia (72).