SIENNA (1205)
SIENNA is a 66.7 MW solar+battery interconnection project in San Bernardino, California with a current status of withdrawn. It is proposed to connect at Coolwater 115kV Substation.
66.7 MWCapacity
WithdrawnStatus
—Market
Solar+BatteryTechnology
Project facts
| Canonical name | SIENNA |
|---|---|
| Queue ID | 1205 |
| Status | withdrawn |
| Source status | WITHDRAWN |
| Market | — |
| Technology | Solar+Battery |
| Capacity | 66.7 MW |
| State | California |
| County | San Bernardino |
| Point of interconnection | Coolwater 115kV Substation |
| Requested (queue) date | 2015-04-30 |
| Proposed in-service date | — |
| Operational date | — |
| Withdrawn date | 2016-03-11 |
| Developer | — |
| Utility / transmission owner | SCE |
Cross-source records
This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-07-29 | new_project | — | withdrawn | high |
Explore related data
Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: California ISO — public interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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