AltaGas Ripon Energy Inc. — Power plant · Gas, combustion turbine · AltaGas Ripon Energy Inc.Blythe Energy Inc — Power plant · Gas, combined cycle · AltaGas Blythe Operations IncForrest Kerr hydroelectric plant — Power plant · HydroSonoran Energy Project — Postponed · Gas, combined cycle · CA · 553 MW · 0.2 mi awayNoosa Energy Storage LLC — Under construction · Storage · CA · 99 MW · 2.4 mi awayGrace Energy Center — Contracted · Solar + storage · CA · 500 MW · 2.7 mi awayBlythe Solar Power Project — Withdrawn · Solar thermal · CA · 796.8 MW · 5.4 mi awayAurora Renewable Energy (Hybrid) — Announced · Solar + storage · CA · 100 MW · 7.6 mi awaySonoran West Solar EGS — Withdrawn · Solar · CA · 540 MW · 11.7 mi awayRio Mesa SEGF 2 — Postponed · Solar thermal · CA · 250 MW · 12.0 mi awayRio Mesa Solar Facility 1 — Postponed · Solar thermal · CA · 250 MW · 12.6 mi awayStockton 9 - slcva209 — Under construction · Solar · CA · 1 MW · 13.8 mi awayChuckawalla State Prison — Postponed · Solar · CA · 2.1 MW · 14.1 mi awayIronwood State Prison — Postponed · Solar · CA · 1.1 MW · 14.3 mi away
  • Combustion
  • Clean firm
  • Operating
  • Other companies nearby
  • 10 · 100 · 1,000 MW

AltaGas Ltd

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Power plant owner

Key facts

Power plant owner · 835.5 MW
Assets
3
States
CA
Companies below
2
Registered in
United States
Listed
OTC Markets Group: ATGFF Source: Wikidata
Parent
No parent recordedNo parent recordedLike 48,145 of 50,298 companies here. Why

Gross output of plants with a stake

1 of 2 plantsOutputGross: each plant's whole output, whatever the stake. Equity share: each plant's output times the stake.Covers 1 of 2 plants with a stake: US plants with an EIA monthly series.100% of the output is from 1 plant recorded as wholly owned.Not included: 1 plant it operates without a recorded stake.Ownership as recorded today; each plant's output is its whole series. A plant's group is its technology; Unspecified fuel is EIA's "All Other", hydrogen, CHP with no fuel stated and plants with no technology on record.

Gross output of plants with a stake MWh by month, 2001 to 2026
  • Gas
Yearly totals
Gross net generation of the plants with a stake, MWh by year and generation group, newest first.
YearGasTotal (MWh)
2026 (part year)1,7081,708
2025920920
20242,1952,195
20233,0903,090
20223,9123,912
20214,3294,329
20206,9016,901
20195,3775,377
20189,8689,868
201719,29619,296
201610,94110,941
201546,70746,707
2014112,810112,810
2013116,824116,824
2012129,054129,054
2011118,564118,564
2010132,278132,278
2009243,219243,219
2008299,382299,382
2007272,687272,687
2006245,455245,455
2005281,884281,884
2004333,950333,950
2003380,202380,202
2002340,897340,897
2001324,382324,382

Sources GEM · EIA-860M · EIA · EPA GHGRP

Sources

  • GEMOpen license, with credit · retrieved Oct 26, 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-860MOpen license · retrieved Nov 4, 2026
  • EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
  • EPA GHGRPOpen license · retrieved Nov 2, 2026

Attribution

Ownership 3

Companies

3

this one included

Parents

0

Subsidiaries

2

direct

Holding assets

3

of 3 companies in the group

The same companies as a table, with each ownership claim
Who owns this company and the companies it owns, sorted by relationship, parents first. Assets are what each company holds itself.
Company. Sort by company, A to ZRelationship, sorted ascending. Sort by relationship, subsidiaries firstAssets. Sort by assets held, largest firstAsset types
Altagas Ripon Energy Inc Subsidiary 1 power plant
AltaGas Blythe Operations Inc Subsidiary 1 power plant
AltaGas Ltd This company 1 power plant

Around this company

Nearby 11

within 15 mi (25 km outside the US)

Projects

11

within 15 mi (25 km outside the US)

Nearest

0.2 mi

Sonoran Energy Project

All 11NearbyShowing all 11 nearby projects.

How these are matched

Exact-grade projects within 15 mi (25 km outside the US) of any asset this company owns or operates, nearest first, each with the asset it is closest to. Only projects with a site location are matched to assets; those placed only by county or state are not.

Projects within 15 mi (25 km outside the US) of this company’s assets, sorted by distance, nearest first.
Status Name. Sort by name, A to Z Type MW. Sort by capacity, largest first Distance, sorted ascending. Sort by distance, farthest first Nearest asset
Postponed Sonoran Energy Project Gas, combined cycle 553 MW 0.2 mi away nearest: Blythe Energy Inc
Under construction Noosa Energy Storage LLC Storage 99 MW 2.4 mi away nearest: AltaGas Ripon Energy Inc.
Contracted Grace Energy Center Solar + storage 500 MW 2.7 mi away nearest: Blythe Energy Inc
Withdrawn Blythe Solar Power Project Solar thermal 796.8 MW 5.4 mi away nearest: Blythe Energy Inc
Announced Aurora Renewable Energy (Hybrid) Solar + storage 100 MW 7.6 mi away nearest: AltaGas Ripon Energy Inc.
Withdrawn Sonoran West Solar EGS Solar 540 MW 11.7 mi away nearest: Blythe Energy Inc
Postponed Rio Mesa SEGF 2 Solar thermal 250 MW 12.0 mi away nearest: Blythe Energy Inc
Postponed Rio Mesa Solar Facility 1 Solar thermal 250 MW 12.6 mi away nearest: Blythe Energy Inc
Under construction Stockton 9 - slcva209 Solar 1 MW 13.8 mi away nearest: AltaGas Ripon Energy Inc.
Postponed Chuckawalla State Prison Solar 2.1 MW 14.1 mi away nearest: Blythe Energy Inc
Postponed Ironwood State Prison Solar 1.1 MW 14.3 mi away nearest: Blythe Energy Inc

Sources EIA-860M · CAISO

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026
  • CAISOOpen license, with credit · retrieved Nov 15, 2026Source: California ISO

Every source and license · Attribution