AltaGas Ripon Energy Inc.

944 South Stockton Avenue, Ripon, CA 95366

Plant Summary Information

AltaGas Ripon Energy Inc. is ranked #328 out of 340 natural gas power plants in California in terms of total annual net electricity generation.

AltaGas Ripon Energy Inc. is comprised of 1 generator and generated 121.0 MWh during the 3-month period between November 2025 to February 2026.

Plant Name	AltaGas Ripon Energy Inc.
Utility Name	AltaGas Ripon Energy Inc.
Location	San Joaquin County, CA
Initial Operation Date	April 1988
Last Update	Feb 2026
Annual Generation	396.0 MWh
Annual Consumption	10.8 k MMBtu
Ranked #11,826 out of 12,637 Power Plants Nationwide
Ranked #1,959 out of 2,243 Natural Gas Power Plants Nationwide
Ranked #1,576 out of 1,603 California Power Plants
Ranked #328 out of 340 California Natural Gas Power Plants
Fuel Types	Natural Gas
Previous Operator	Ripon Cogeneration LLC (2013 to 2014) AltaGas Ripon Energy Inc. (2015 to 2024)

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Monthly Net Generation for AltaGas Ripon Energy Inc.

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Monthly Plant Fuel Consumption for AltaGas Ripon Energy Inc.

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AltaGas Ripon Energy Inc. Details

Summary Information
Plant Name	AltaGas Ripon Energy Inc. (50299)
Plant Address	944 South Stockton Avenue, Ripon, CA 95366
Utility	AltaGas Ripon Energy Inc. (60134)
Latitude, Longitude	37.73253, -121.11601
Generation Dates on File	Jan 2001 to Feb 2026
Initial Operation Date	April 1988
Annual Generation	396.0 MWh
Fuel Types	Natural Gas

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	WECC
Balancing Authority	California Independent System Operator (CISO)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source	Municipality
Ash Impoundment	No
Transmission / Distribution Owner	Pacific Gas & Electric Co (14328) CA
Grid Voltage	115.00 kV
Energy Storage	No

Natural Gas Information
Local Distribution Company (LDC)	PACIFIC GAS
Pipeline Name	PACIFIC GAS
Natural Gas Storage	No
Liquefied Natural Gas Storage	No

* Data obtained from the 2024 EIA 860 Report

Generator GEN1 Details Operating April 1988

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	POD_SMPRIP_1_SMPSOM-APND
RTO ISO Location Designation For Reporting Wholesale Sales Data	POD_SMPRIP_1_SMPSOM-APND
Nameplate Capacity	49.5 MW
Nameplate Power Factor	0.85
Summer Capacity	46.1 MW
Winter Capacity	46.1 MW
Minimum Load	30 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	April 1988
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Natural Gas
Startup Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

AltaGas Ripon Energy Inc. Plant Owners

Owner Name	Address	Ownership
*We couldn't locate any owners for this plant*

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#1968	Wadham Energy LP	Williams, CA	132.0 GWh
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