Larkspur Energy Facility
Emergency Peaker Project

Docket Number:

01-EP-01 (Application For Certification)
01-EP-01C (Compliance Proceeding)

Project Status: Licensed; In Compliance Phase.
Operational: July 16, 2001

Applicant: Wildflower Energy

Location: San Diego, San Diego County

Size: 90 Megawatt Peaking Power Plant

Key Dates

  • 3/8/2001 - Small Power Plant Exemption (EP) filed
  • 3/16/2001 - Commission accepts EP as "data adequate."
  • 4/4/2001 - Commission approves Small Power Plant Exemption.
  • 7/16/2001 - Power plant on line and producing power.


The Larkspur Energy Facility (LEF) was reviewed under Public Resources Code section 25705, which granted the California Energy Commission (Energy Commission) emergency permitting authority, and Executive Order D-26-01, issued February 8, 2001 and Executive Order D-28-01 issued on March 7, 2001. In Executive Order D-26-01 and D-28-01, the Governor ordered the Energy Commission and other relevant state and local agencies to expedite review of proposed thermal power plants for construction and operation on an emergency basis by September 30, 2001. The Governor also declared that these projects were emergency projects under Public Resources Code section 21080(b)(4), and are thereby exempt from the requirements of the California Environmental Quality Act.

On April 4, 2001, the Energy Commission approved the 90 megawatt (MW), simple-cycle, natural gas-fired LEF. Commercial operation began on July 16, 2001.

The LEF is located at 9355 Otay Mesa Road in the City of San Diego, San Diego County, at the intersection of Otay Mesa Road and Harvest Road. The facility connects to the existing San Diego Gas & Electric substation adjacent to the site. The facility is located in an industrial zone, the dual-fueled Larkspur plant was the first emergency facility to be constructed and in operation under the expedited process.

The LEF occupies approximately three acres and consists of two 45 MW General Electric LM6000 gas turbine engines. The project incorporates selective catalytic reduction to reduce project emissions.

In 2004, ownership of the project changed from InterGen to Diamond Generating Corporation.

The Energy Commission Decision included a provision that would allow for the certification to be extended for the life of the project, provided that the conditions of certification were current and in compliance, the project was permanent in nature, and air emission credits were in place. On April 11, 2012, the Energy Commission approved the extension of the Larkspur Energy Facility for the live of the facility, until such time that it ceases operations and commences permanent closure activities.

Small Power Plant Exemption Evaluation Process

The SPPE process allows projects between 50 and 100 MW to proceed with local approval rather than requiring an Energy Commission license. This exemption from the Energy Commission licensing process can be applied to projects that would not create a substantial adverse impact on the environment or energy resources. The Energy Commission acts as the lead agency under the California Environmental Quality Act (CEQA) and will prepare an Initial Study and Mitigated Negative Declaration that examines public health and safety, along with environmental impacts of the proposed project, including all related facilities such as electric transmission lines, natural gas and water pipelines. If the exemption is granted, the applicant would still need to secure the appropriate licenses and permits from relevant local, state, and federal agencies.

For Questions About This Siting Case Contact:

Anwar Ali
Project Manager
Siting, Transmission and Environmental Protection (STEP) Division
California Energy Commission
1516 Ninth Street, MS-15
Sacramento, CA 95814
Phone: 916-654-5020

For Questions About Participation In Siting Cases Contact:

Public Adviser
California Energy Commission
1516 Ninth Street, MS-12 Sacramento, CA 95814
Phone: 916-654-4489
Toll-Free in California: 1-800-822-6228

News Media Please Contact:

Media & Public Communications Office
Phone: 916-654-4989

Compliance Proceeding

Original Proceeding


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