Harbor Cogen

Power plant · Gas, combined cycle

Key facts

Power plant · Gas, combined cycle Operating

Net generation MWh by year, 2001 to 2025

Fuel burned MMBtu by year, 2001 to 2025

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Technology: Gas, combined cycle source: “Natural Gas Fired Combined Cycle”
Age: 38 years since 1988
Unused energy: 932 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate: 13,070 Btu/kWh 2025

All 8 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Gem	Parents Name Black Hills Corp Share pct 100 Gem entity id E100000001157 Unit ids G100000401715 Location id L100000401998 Eia plant ids 50541
Grid	Nerc region WECC Report year 2025 Grid voltage kv 220 Transmission owner Southern California Edison Co Balancing authority code CISO Balancing authority name California Independent System Operator
EPA greenhouse gas reporting (GHGRP)	EPA FRS ID 110028033125 NAICS code 221112 Subpart PP (CO2 supply) No Subpart RR (geologic sequestration) No Subpart UU (CO2 injection) No Reporting year 2023 GHGRP facility ID 1001700
Fuel burned (MMBtu), 2025	112,989
Capacity factor, 2025	0.009
Heat rate (Btu/kWh), 2025	13,069.9
Net generation (MWh), 2025	8,645
Balancing authority code	CISO

2 companies

Companies with an ownership or operating interest in this asset.
Company	Role	Share	As of	Source
Harbor Cogeneration Co.	Operator			EIA-860M
SOUTHWEST GENERATION OPERATING CO LLC	Owner	100.0%	31 Dec 2023	EPA GHGRP

5 sources

Sources

EIA-860M Preliminary Monthly Electric Generator InventoryOpen license · retrieved 4 Nov 2026
Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Open license, with credit · retrieved 26 Oct 2026Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Open license · retrieved 1 Nov 2026Source: 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)

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South Bay Dis Ctr 12 - SLLAX104 Under construction	Solar	7.3 km	1.2
South Bay Dis Ctr 6-SLLAX680 Under construction	Solar	7.4 km	1.3
Fordyce - SLLAX680 Under construction	Solar	7.4 km	1.3
Torrance Dis Ctr 2 - SLLAX100 Under construction	Solar	11.0 km	1.4
Westminster Reliability Project, LLC Under construction	Storage	20.2 km	110
Cobalt Under construction	Solar + storage	23.4 km	250
Scattergood Postponed	Gas, combined cycle	24.0 km	346
Bandini - SLLAX710 Under construction	Solar	24.6 km	1.3
PRIME DATA CENTER VERNON Built	Large load	24.9 km

Sources