- Combustion
- Storage
- In development
- Retired
- 10 · 100 · 1,000 MW
Map
- Combustion
- Storage
- In development
- Retired
Encina: location and 3 exact-grade projects within 25 km. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Encina
Power plant · Gas, steam turbine
Key facts
Power plant · Gas, steam turbineran 3% of 2018 Retired- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1954
- Net generation, 2018
- 299,121 MWh
- Location
- San Diego County, California
- Operated by
- NRG Cabrillo Power Ops Inc
Output
- Gas
- Oil
Details
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- Technology
- Gas, steam turbine source: “Natural Gas Steam Turbine”
- Age
- 72 years since 1954
All 2 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| EPA greenhouse gas reporting (GHGRP) |
|
| Balancing authority code | CISO |
Retirement
EIA-860M September 2026StatusEvery generator EIA lists at this plant has retired. As of EIA-860M for September 2026.- Retired
- December 2018
- First unit retired
- April 2017
- Capacity retired
- 999.6 MW
- Generators retired
- 6
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| ST1 | Natural Gas Steam Turbine | 110 MW | Retired | April 2017 |
| 2 | Natural Gas Steam Turbine | 110 MW | Retired | December 2018 |
| 3 | Natural Gas Steam Turbine | 110 MW | Retired | December 2018 |
| 4 | Natural Gas Steam Turbine | 306 MW | Retired | December 2018 |
| 5 | Natural Gas Steam Turbine | 345.6 MW | Retired | December 2018 |
| GT1 | Natural Gas Fired Combustion Turbine | 18 MW | Retired | December 2018 |
By technology
| Technology | Retired | Scheduled to retire |
|---|---|---|
| Natural Gas Steam Turbine | 981.6 MW | |
| Natural Gas Fired Combustion Turbine | 18 MW |
Grid
EIA-860Grid fieldsAs the plant reported them to EIA-860 (Schedule 2).- Balancing authority
- CISO
Transmission lines within 25 km (10)
Can the connection be reused?
A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.
Ownership
3 companies3| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| NRG Cabrillo Power Ops Inc | Operator | EIA-860M | ||
| Clearway Energy Group LLC | Owner | 100.0% | 31 Dec 2023 | EPA GHGRP |
| NRG Energy, Inc | Owner | 100.0% | 31 Dec 2023 | EPA GHGRP |
Timeline
- Stated Units 2, 3, 4, 5, GT1 scheduled to retire, 889.6 MW · EIA-860M
- Stated Unit ST1 scheduled to retire, 110 MW · EIA-860M
- In service · EIA-860M
Sources
5 sourcesSources EIA-860M · LBNL · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- LBNL — A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024 (OEDI submission 8742)Yin, Nait Belaid & Heleno (2026), Lawrence Berkeley National Laboratory, OEDI, CC BY 4.0: A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024. Modified by Inframation: HIFLD-side fields only, names re-cased, coordinates rounded.
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Around this plant
Nearby
within 25 km| Project | Kind | Away | MW |
|---|---|---|---|
| Carlsbad Energy Center Postponed | Gas, combustion turbine | 0.5 km | 105.5 |
| Don Lee BESS 1 LLC Postponed | Storage | 20.1 km | 6.5 |
| Enterprise BESS Permitted | Storage | 20.5 km | 54.1 |