San Diego County, CA interconnection queue
9 interconnection applications are pending in San Diego County, CA, requesting 1.6 GW of new generating capacity, as of 15 August 2026. 29 projects have been built here and 165 have been withdrawn since 1999.
Source: interconnection queues published by CAISO. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.
What is waiting in San Diego County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Battery | 5 | 853 MW |
| Hybrid | 4 | 704 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 29 | 3.4 GW | 14.3% |
| Still pending | 9 | 1.6 GW | 4.4% |
| Withdrawn | 165 | 23.5 GW | 81.3% |
| Suspended | 0 | — | 0.0% |
Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.
The largest projects on file
| Project | Fuel | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| Withdrawn project | Gas | 900 MW | withdrawn | 2000-08 | CAISO |
| Withdrawn project | Gas | 750 MW | withdrawn | 2000-11 | CAISO |
| Withdrawn project | Gas | 650 MW | withdrawn | 2004-02 | CAISO |
| Withdrawn project | Gas | 620 MW | withdrawn | 2007-06 | CAISO |
| Withdrawn project | Battery | 600 MW | withdrawn | 2021-04 | CAISO |
| OTAY MESA GENERATING PROJECT | Gas | 550 MW | completed | 1999-11 | CAISO |
| Withdrawn project | Hybrid | 538 MW | withdrawn | 2014-04 | CAISO |
| Withdrawn project | Hybrid | 523 MW | withdrawn | 2015-04 | CAISO |
| PALOMAR ENERGY PROJECT | Gas | 521 MW | completed | 2000-08 | CAISO |
| Withdrawn project | Hybrid | 508 MW | withdrawn | 2014-04 | CAISO |
| Withdrawn project | Gas | 507 MW | withdrawn | 2015-04 | CAISO |
| Withdrawn project | Solar | 500 MW | withdrawn | 2018-04 | CAISO |
| Withdrawn project | Solar | 500 MW | withdrawn | 2019-04 | CAISO |
| Withdrawn project | Hybrid | 444 MW | withdrawn | 2014-04 | CAISO |
| BOULDER BRUSH HYBRID | Hybrid | 400 MW | active | 2021-04 | CAISO |
How this county ranks
San Diego County ranks #249 of 1,607 US counties by capacity currently queued, and #13 of 42 in California.
Other California counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Los Angeles County | 33 | 15.0 GW |
| Kern County | 51 | 13.8 GW |
| Riverside County | 23 | 8.4 GW |
| San Bernardino County | 19 | 7.3 GW |
| Imperial County | 35 | 6.7 GW |
| Fresno County | 28 | 6.5 GW |
| Sacramento County | 16 | 3.6 GW |
| Kings County | 8 | 2.5 GW |
Go deeper on San Diego County
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.
Open San Diego County on the map County reports All of California