# Sycamore Cogeneration

CAISO Natural Gas Fired Combustion Turbine · https://askthegrid.com/assets/facilities/sycamore-cogeneration

Sycamore Cogeneration is a natural gas-fired power facility with 300 MW of EIA-reported operating capacity in Kern County, California, registered as EIA Plant ID 50134. Chevron Holdings, Inc. is the public owner or developer; Sycamore Cogeneration Co is the registered plant entity or operator. Commercial operation began on January 1, 1988. The facility interconnects at SYCAMORE CANYON GEN UNIT 1–4 (CAISO APNodes POD_SYCAMR_2_UNIT 1-APND through POD_SYCAMR_2_UNIT 4-APND) at 220 kV. Its grid role is cogeneration supplying electricity to the grid and process steam to nearby Chevron oilfield operations; the turbines have also operated in standby mode and been brought online for electricity production.
SYCAMORE CANYON GEN UNIT 1–4 (CAISO APNodes POD_SYCAMR_2_UNIT 1-APND through POD_SYCAMR_2_UNIT 4-APND) · 220 kV.

## Key facts

- Technology: Natural Gas Fired Combustion Turbine
- Power capacity: 300 MW
- Operating status: operating

## Grid and market context

- ISO/RTO: CAISO
- Balancing authority: CAISO
- Interconnection voltage: 220 kV

## Source-backed facts

- Identifiers: [{"value":"50134","system":"EIA plant ID"},{"value":"84-AFC-06","system":"California Energy Commission docket"},{"value":"84-AFC-06C","system":"California Energy Commission compliance docket"},{"value":"1003998","system":"EPA GHG facility ID"},{"value":"110006825908","system":"EPA FRS ID"},{"value":"SYCAMR_2_UNIT 1","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 2","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 3","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 4","system":"CAISO market resource"}] — Source · confidence: medium
- Identifiers: [{"value":"50134","system":"EIA plant ID"},{"value":"84-AFC-06","system":"California Energy Commission docket"},{"value":"84-AFC-06C","system":"California Energy Commission compliance docket"},{"value":"1003998","system":"EPA GHG facility ID"},{"value":"110006825908","system":"EPA FRS ID"},{"value":"SYCAMR_2_UNIT 1","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 2","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 3","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 4","system":"CAISO market resource"}] — California Energy Commission : Docket Log - CA.gov · confidence: medium
- Identifiers: [{"value":"50134","system":"EIA plant ID"},{"value":"84-AFC-06","system":"California Energy Commission docket"},{"value":"84-AFC-06C","system":"California Energy Commission compliance docket"},{"value":"1003998","system":"EPA GHG facility ID"},{"value":"110006825908","system":"EPA FRS ID"},{"value":"SYCAMR_2_UNIT 1","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 2","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 3","system":"CAISO market resource"},{"value":"SYCAMR_2_UNIT 4","system":"CAISO market resource"}] — SYCAMORE COGENERATION Facility - GHG Data - EPA · confidence: medium
- Identifiers.2: {"value":"84-AFC-06C","system":"California Energy Commission compliance docket"} — Sycamore Cogeneration Facility | California Energy Commission · confidence: high
- Identifiers.3: {"value":"1003998","system":"EPA GHG facility ID"} — SYCAMORE COGENERATION Facility - GHG Data - EPA · confidence: medium
- Identifiers.4: {"value":"110006825908","system":"EPA FRS ID"} — Source · confidence: high
- Identifiers.5: {"value":"SYCAMR_2_UNIT 1","system":"CAISO market resource"} — Source · confidence: high
- Identifiers.6: {"value":"SYCAMR_2_UNIT 2","system":"CAISO market resource"} — Source · confidence: high
- Identifiers.7: {"value":"SYCAMR_2_UNIT 3","system":"CAISO market resource"} — Source · confidence: high
- Parties.1: {"relationship":"Operator / project company","name":"Sycamore Cogeneration Co","official_url":null} — Sycamore cogeneration power station - Global Energy Monitor · confidence: medium
- Parties.1: {"relationship":"Operator / project company","name":"Sycamore Cogeneration Co","official_url":null} — NRG Energy, Chevron approved by FERC for power plant swap · confidence: medium
- Parties.2: {"relationship":"Ownership transferee / Chevron affiliate","name":"Chevron Power Holdings Inc.","official_url":"https://www.chevron.com"} — Sycamore Cogeneration Facility | California Energy Commission · confidence: medium
- Parties.3: {"relationship":"Combustion-turbine OEM","name":"General Electric","official_url":"https://www.ge.com"} — Sycamore Cogeneration Facility | California Energy Commission · confidence: medium
- Unit configuration: Four 75-MW natural-gas-fired General Electric Frame 7EA combustion turbines with enhanced DLN1+ combustors and four unfired heat-recovery steam generators. — Sycamore Cogeneration Facility | California Energy Commission · confidence: high
- Commercial operation date: 1988-01-01 — Sycamore Cogeneration Facility | California Energy Commission · confidence: high
- Unit count: 4 — Sycamore Cogeneration Facility | California Energy Commission · confidence: high
- Product url: https://www.gevernova.com/gas-power/products/gas-turbines/7e — Source · confidence: medium
- Product url: https://www.gevernova.com/gas-power/products/gas-turbines/7e — Source · confidence: medium
- Manufacturer domain: gevernova.com — Source · confidence: medium
- Product family: GE Frame 7EA — Source · confidence: medium
- Quality notes: ["The 2014 transaction was an indirect ownership transfer and portfolio exchange rather than a disclosed project-specific sale of the physical facility. The CEC later approved the certificate transfer from Sycamore Cogeneration Company to Chevron Power Holdings Inc. The 2004 amendment eliminated the original 20-year license expiration."] — DOCKETED · confidence: medium
- Financing summary: NRG announced on 2013-10-18 an aggregate $2.635 billion purchase price for Edison Mission Energy assets and equity interests in subsidiaries; NRG completed the Edison Mission acquisition in April 2014. The related transaction had Chevron Power Holdings acquire an indirect 50% interest in six cogeneration companies, including Sycamore, from NRG Holdings in exchange for NRG acquiring Chevron's indirect 50% interest in Sunrise Power. The $2.635 billion figure was an aggregate portfolio/company transaction value, not Sycamore-specific sale consideration or project financing; no separate construction-financing amount or terms were disclosed. — NRG Energy Enters into Agreement to Acquire Edison Mission... · confidence: medium
- Financing summary: NRG announced on 2013-10-18 an aggregate $2.635 billion purchase price for Edison Mission Energy assets and equity interests in subsidiaries; NRG completed the Edison Mission acquisition in April 2014. The related transaction had Chevron Power Holdings acquire an indirect 50% interest in six cogeneration companies, including Sycamore, from NRG Holdings in exchange for NRG acquiring Chevron's indirect 50% interest in Sunrise Power. The $2.635 billion figure was an aggregate portfolio/company transaction value, not Sycamore-specific sale consideration or project financing; no separate construction-financing amount or terms were disclosed. — NRG Energy, Chevron approved by FERC for power plant swap · confidence: medium
- Financing summary: NRG announced on 2013-10-18 an aggregate $2.635 billion purchase price for Edison Mission Energy assets and equity interests in subsidiaries; NRG completed the Edison Mission acquisition in April 2014. The related transaction had Chevron Power Holdings acquire an indirect 50% interest in six cogeneration companies, including Sycamore, from NRG Holdings in exchange for NRG acquiring Chevron's indirect 50% interest in Sunrise Power. The $2.635 billion figure was an aggregate portfolio/company transaction value, not Sycamore-specific sale consideration or project financing; no separate construction-financing amount or terms were disclosed. — NRG Completes Acquisition of Edison Mission Energy · confidence: medium
- Timeline: [{"event":"CEC certification","date":"1986-12-10","detail":"The California Energy Commission certified the Sycamore Cogeneration Project under docket 84-AFC-06."},{"event":"Commercial operation","date":"1988-01-01","detail":"The 300-MW natural-gas-fired cogeneration facility began commercial operation."},{"event":"Operating-mode amendment","date":"2004-12-01","detail":"The CEC approved operation of two of the four turbines in either cogeneration or simple-cycle mode and eliminated the 20-year expiration of the operating license."},{"event":"Combustor upgrade","date":"2008-05-23","detail":"The CEC approved installation of enhanced dry-low-NOx combustors."},{"event":"Ownership transaction planned","date":"2014-03","detail":"A CEC filing stated that NRG Energy Holdings would acquire all equity ownership of Western Sierra Energy Company and that Western Sierra would transfer its 50% partnership interest in Sycamore Cogeneration Company to Chevron Power Holdings; the transaction was anticipated to close on March 6, 2014."},{"event":"Portfolio acquisition and exchange","date":"2014-04","detail":"NRG completed its acquisition of Edison Mission Energy, and the related transaction transferred an indirect 50% interest in Sycamore and other cogeneration companies from NRG Holdings to Chevron Power Holdings."},{"event":"Upstream transfer completion","date":"2014-05-13","detail":"The CEC docket recorded completion of the upstream ownership transfers described in the March 2014 filing."},{"event":"CEC ownership-transfer approval","date":"2015-12-09","detail":"The CEC approved transfer of ownership of the certified project from Sycamore Cogeneration Company to Chevron Power Holdings Inc."},{"event":"Grid-support operation","date":"2022-09-15","detail":"Chevron reported using natural-gas-fired turbines at its Kern River and Sycamore cogeneration plants, including units that had been in standby, to provide additional electricity during a California heat wave."}] — California Energy Commission : Docket Log · confidence: medium
- Timeline: [{"event":"CEC certification","date":"1986-12-10","detail":"The California Energy Commission certified the Sycamore Cogeneration Project under docket 84-AFC-06."},{"event":"Commercial operation","date":"1988-01-01","detail":"The 300-MW natural-gas-fired cogeneration facility began commercial operation."},{"event":"Operating-mode amendment","date":"2004-12-01","detail":"The CEC approved operation of two of the four turbines in either cogeneration or simple-cycle mode and eliminated the 20-year expiration of the operating license."},{"event":"Combustor upgrade","date":"2008-05-23","detail":"The CEC approved installation of enhanced dry-low-NOx combustors."},{"event":"Ownership transaction planned","date":"2014-03","detail":"A CEC filing stated that NRG Energy Holdings would acquire all equity ownership of Western Sierra Energy Company and that Western Sierra would transfer its 50% partnership interest in Sycamore Cogeneration Company to Chevron Power Holdings; the transaction was anticipated to close on March 6, 2014."},{"event":"Portfolio acquisition and exchange","date":"2014-04","detail":"NRG completed its acquisition of Edison Mission Energy, and the related transaction transferred an indirect 50% interest in Sycamore and other cogeneration companies from NRG Holdings to Chevron Power Holdings."},{"event":"Upstream transfer completion","date":"2014-05-13","detail":"The CEC docket recorded completion of the upstream ownership transfers described in the March 2014 filing."},{"event":"CEC ownership-transfer approval","date":"2015-12-09","detail":"The CEC approved transfer of ownership of the certified project from Sycamore Cogeneration Company to Chevron Power Holdings Inc."},{"event":"Grid-support operation","date":"2022-09-15","detail":"Chevron reported using natural-gas-fired turbines at its Kern River and Sycamore cogeneration plants, including units that had been in standby, to provide additional electricity during a California heat wave."}] — DOCKETED · confidence: medium
- Timeline: [{"event":"CEC certification","date":"1986-12-10","detail":"The California Energy Commission certified the Sycamore Cogeneration Project under docket 84-AFC-06."},{"event":"Commercial operation","date":"1988-01-01","detail":"The 300-MW natural-gas-fired cogeneration facility began commercial operation."},{"event":"Operating-mode amendment","date":"2004-12-01","detail":"The CEC approved operation of two of the four turbines in either cogeneration or simple-cycle mode and eliminated the 20-year expiration of the operating license."},{"event":"Combustor upgrade","date":"2008-05-23","detail":"The CEC approved installation of enhanced dry-low-NOx combustors."},{"event":"Ownership transaction planned","date":"2014-03","detail":"A CEC filing stated that NRG Energy Holdings would acquire all equity ownership of Western Sierra Energy Company and that Western Sierra would transfer its 50% partnership interest in Sycamore Cogeneration Company to Chevron Power Holdings; the transaction was anticipated to close on March 6, 2014."},{"event":"Portfolio acquisition and exchange","date":"2014-04","detail":"NRG completed its acquisition of Edison Mission Energy, and the related transaction transferred an indirect 50% interest in Sycamore and other cogeneration companies from NRG Holdings to Chevron Power Holdings."},{"event":"Upstream transfer completion","date":"2014-05-13","detail":"The CEC docket recorded completion of the upstream ownership transfers described in the March 2014 filing."},{"event":"CEC ownership-transfer approval","date":"2015-12-09","detail":"The CEC approved transfer of ownership of the certified project from Sycamore Cogeneration Company to Chevron Power Holdings Inc."},{"event":"Grid-support operation","date":"2022-09-15","detail":"Chevron reported using natural-gas-fired turbines at its Kern River and Sycamore cogeneration plants, including units that had been in standby, to provide additional electricity during a California heat wave."}] — Providing increased electricity in CA heat wave — Chevron · confidence: medium
- Commercial parties.2: {"relationship":"Ownership transferee","name":"Chevron Power Holdings Inc.","detail":"Acquired the indirect 50% partnership interest formerly held through Western Sierra Energy Company and received CEC approval of the project certificate transfer in December 2015.","official_url":"https://www.chevron.com"} — DOCKETED · confidence: high
- Commercial parties.3: {"relationship":"Indirect-interest transferor","name":"NRG Energy Holdings Inc.","detail":"Transferred an indirect 50% interest in Sycamore and other cogeneration companies to Chevron Power Holdings as part of the Sunrise Power exchange.","official_url":"https://www.nrg.com"} — NRG Energy, Chevron approved by FERC for power plant swap · confidence: medium
- Timeline.0: {"event":"CEC certification","date":"1986-12-10","detail":"The California Energy Commission certified the Sycamore Cogeneration Project under docket 84-AFC-06."} — Sycamore Cogeneration Facility | California Energy Commission · confidence: high
- Timeline.1: {"event":"Commercial operation","date":"1988-01-01","detail":"The 300-MW natural-gas-fired cogeneration facility began commercial operation."} — Sycamore Cogeneration Facility | California Energy Commission · confidence: high
- Timeline.2: {"event":"Operating-mode amendment","date":"2004-12-01","detail":"The CEC approved operation of two of the four turbines in either cogeneration or simple-cycle mode and eliminated the 20-year expiration of the operating license."} — Sycamore Cogeneration Facility | California Energy Commission · confidence: medium
- Timeline.3: {"event":"Combustor upgrade","date":"2008-05-23","detail":"The CEC approved installation of enhanced dry-low-NOx combustors."} — Sycamore Cogeneration Facility | California Energy Commission · confidence: high
- Timeline.5: {"event":"Portfolio acquisition and exchange","date":"2014-04","detail":"NRG completed its acquisition of Edison Mission Energy, and the related transaction transferred an indirect 50% interest in Sycamore and other cogeneration companies from NRG Holdings to Chevron Power Holdings."} — NRG Energy, Chevron approved by FERC for power plant swap · confidence: medium
- Timeline.5: {"event":"Portfolio acquisition and exchange","date":"2014-04","detail":"NRG completed its acquisition of Edison Mission Energy, and the related transaction transferred an indirect 50% interest in Sycamore and other cogeneration companies from NRG Holdings to Chevron Power Holdings."} — NRG Completes Acquisition of Edison Mission Energy · confidence: medium
- Timeline.6: {"event":"Upstream transfer completion","date":"2014-05-13","detail":"The CEC docket recorded completion of the upstream ownership transfers described in the March 2014 filing."} — California Energy Commission : Docket Log · confidence: medium
- Timeline.7: {"event":"CEC ownership-transfer approval","date":"2015-12-09","detail":"The CEC approved transfer of ownership of the certified project from Sycamore Cogeneration Company to Chevron Power Holdings Inc."} — DOCKETED · confidence: high
- Timeline.8: {"event":"Grid-support operation","date":"2022-09-15","detail":"Chevron reported using natural-gas-fired turbines at its Kern River and Sycamore cogeneration plants, including units that had been in standby, to provide additional electricity during a California heat wave."} — Providing increased electricity in CA heat wave — Chevron · confidence: medium
- Quality notes.0: The 2014 transaction was an indirect ownership transfer and portfolio exchange rather than a disclosed project-specific sale of the physical facility. The CEC later approved the certificate transfer from Sycamore Cogeneration Company to Chevron Power Holdings Inc. in December 2015. — DOCKETED · confidence: high
- Acquisition date: 2014-03 — DOCKETED · confidence: medium
- Grid role: Cogeneration supplying electricity to the grid and process steam to nearby Chevron oilfield operations; the turbines have also operated in standby mode and been brought online for electricity production. — Sycamore Cogeneration Facility - California Energy Commission · confidence: high

## Timeline

- 1988-01-01 — Commercial operation
  The 300-MW natural-gas-fired cogeneration facility began commercial operation.
  Source: Sycamore Cogeneration Facility | California Energy Commission (https://www.energy.ca.gov/powerplant/cogeneration/sycamore-cogeneration-facility)
- 2004-12-01 — Operating-mode amendment
  The CEC approved operation of two of the four turbines in either cogeneration or simple-cycle mode and eliminated the 20-year expiration of the operating license.
  Source: Sycamore Cogeneration Facility | California Energy Commission (https://www.energy.ca.gov/powerplant/cogeneration/sycamore-cogeneration-facility)
- 2008-05-23 — Combustor upgrade
  The CEC approved installation of enhanced dry-low-NOx combustors.
  Source: Sycamore Cogeneration Facility | California Energy Commission (https://www.energy.ca.gov/powerplant/cogeneration/sycamore-cogeneration-facility)
- 2015-12-09 — CEC ownership-transfer approval
  The CEC approved transfer of ownership of the certified project from Sycamore Cogeneration Company to Chevron Power Holdings Inc.
  Source: DOCKETED (https://efiling.energy.ca.gov/GetDocument.aspx?tn=207033&DocumentContentId=14110)

## Sources

- [Sycamore Cogeneration Facility - California Energy Commission](https://www.energy.ca.gov/powerplant/cogeneration/sycamore-cogeneration-facility) — energy.ca.gov · tier regulatory
- [Providing increased electricity in CA heat wave — Chevron](https://www.chevron.com/newsroom/2022/q3/bolstered-power-production-helps-state-weather-heat-wave) — chevron.com · tier other
- [Source](https://www.caiso.com/documents/evaluationreportofloadservingentitiescompliancewith2022resourceadequacyrequirements.pdf) — caiso.com · tier other
- [California Energy Commission : Docket Log](https://efiling.energy.ca.gov/Lists/Docketlog.aspx?docketnumber=84-AFC-06C) — efiling.energy.ca.gov · tier regulatory
- [SYCAMORE COGENERATION Facility - GHG Data - EPA](https://ghgdata.epa.gov/flight/details/1003998/2023/E) — ghgdata.epa.gov · tier regulatory
- [Sycamore cogeneration power station - Global Energy Monitor](https://www.gem.wiki/Sycamore_cogeneration_power_station) — gem.wiki · tier other
- [NRG Energy, Chevron approved by FERC for power plant swap](https://www.power-eng.com/onsite-power/cogeneration/nrg-energy-chevron-approved-by-ferc-for-power-plant-swap/) — power-eng.com · tier other
- [DOCKETED](https://efiling.energy.ca.gov/GetDocument.aspx?tn=214807&DocumentContentId=14116) — efiling.energy.ca.gov · tier regulatory
- [Source](https://efiling.energy.ca.gov/GetDocument.aspx?tn=214821&DocumentContentId=14148) — efiling.energy.ca.gov · tier regulatory
- [Source](https://energy.ca.gov/powerplant/cogeneration/sycamore-cogeneration-facility) — energy.ca.gov · tier regulatory
- [Source](https://gevernova.com/gas-power/products/gas-turbines/7e) — gevernova.com · tier other
- [DOCKETED](https://efiling.energy.ca.gov/GetDocument.aspx?tn=202272) — efiling.energy.ca.gov · tier regulatory
- [DOCKETED](https://efiling.energy.ca.gov/GetDocument.aspx?tn=207033&DocumentContentId=14110) — efiling.energy.ca.gov · tier regulatory
- [NRG Energy Enters into Agreement to Acquire Edison Mission ...](https://investors.nrg.com/news-releases/news-release-details/nrg-energy-enters-agreement-acquire-edison-mission-energy) — investors.nrg.com · tier other
- [NRG Completes Acquisition of Edison Mission Energy](https://www.wsj.com/articles/DJFDBR0020140402ea42lhidl) — wsj.com · tier other
- [Kern River Cogeneration Facility](https://www.energy.ca.gov/powerplant/simple-cycle/kern-river-cogeneration-facility) — energy.ca.gov · tier regulatory
- [Resource category and phase](https://www.caiso.com/documents/resourcecategoryandphaseallparticipatingresourceids.xlsx) — caiso.com · tier other
- [CAISO Resource Visibility Template](https://www.caiso.com/documents/caiso-resource-visibility-template.xlsx) — caiso.com · tier other
- [2026 Net Qualifying Capacity values for Resource ...](https://www.caiso.com/notices/2026-net-qualifying-capacity-values-for-resource-adequacy-resources) — caiso.com · tier other

## Data quality

- The CEC later approved the certificate transfer from Sycamore Cogeneration Company to Chevron Power Holdings Inc. in December 2015. The 2004 amendment eliminated the original 20-year license expiration.

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Source: Ask the Grid — https://askthegrid.com/
