Sienna Solar Farm (64632_99MT8)
Sienna Solar Farm is a 200.0 MW solar interconnection project in San Bernardino, California with a current status of active.
200.0 MWCapacity
ActiveStatus
CISOMarket
SolarTechnology
Project facts
| Canonical name | Sienna Solar Farm |
|---|---|
| Queue ID | 64632_99MT8 |
| Status | active |
| Source status | (P) Planned for installation, but regulatory approvals not initiated |
| Market | CISO |
| Technology | Solar |
| Capacity | 200.0 MW |
| State | California |
| County | San Bernardino |
| Point of interconnection | — |
| Requested (queue) date | — |
| Proposed in-service date | 2028-12-01 |
| Operational date | — |
| Withdrawn date | — |
| Developer | — |
| Utility / transmission owner | 99MT 8me, LLC |
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-08-02 | new_project | — | active | high |
Explore related data
Source last checked2026-08-03
Data last materially changed2026-08-03
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned). Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
Follow this project and get an alert when its status, capacity, developer, or schedule changes.
Start tracking with interXdata