Natural gasOilOperatingNA

Costa Sur Plant

Natural gas and oil power plant in Puerto Rico. 1,032 MW of nameplate capacity across 6 generators, operated by Puerto Rico Electric Pwr Authority.

Also known as EIA plant 61147

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GarzasYaucoMartinoBaxter JayuyaCosta Sur Plant10 km
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6 plants within 29 km, from EIA coordinates.

Key facts

Capacity
1,032 MWNatural gas 820.0 · Oil 212.0
Generators
6 operatingEIA-860M, August 2026
Operating since
March 1962First generator online
Operator
Puerto Rico Electric Pwr AuthorityEIA operator ID 15497
Grid
NABalancing authority NA
Price nodes
None linkedNo verified ISO node
Location
PR18.0030, −66.7597
EIA plant ID
61147EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Costa Sur Plant produces

Free · EIA-923

Net generation, 2025

3.78 TWh

3,780,835 MWh, final

Capacity factor, 2025

Not reported

2024: Not reported

January to July 2026

2.11 TWh

Provisional

Range, 2017 to 2025

1.0–3.9

TWh a year. Low 2020, high 2019

Annual net generation, TWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
2014Not reportedNot reported0 of 12
2015Not reportedNot reported0 of 12
2016Not reportedNot reported0 of 12
20173,077,978Not reported12 of 12
20183,145,701Not reported12 of 12
20193,859,324Not reported12 of 12
2020958,802Not reported12 of 12
20212,979,084Not reported12 of 12
20223,336,652Not reported12 of 12
20232,886,213Not reported12 of 12
20242,780,558Not reported12 of 12
20253,780,835Not reported12 of 12
2026 (provisional, partial year)2,109,320Not reported7 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account

No verified ISO price node is linked to this plant, or its price history could not load.

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
3Petroleum Liquids85.0March 1962
4Petroleum Liquids85.0December 1963
5Natural Gas Steam Turbine410.0September 1972
6Natural Gas Steam Turbine410.0September 1973
GT-1Petroleum Liquids21.0May 1972
GT-2Petroleum Liquids21.0May 1972

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Puerto Rico Electric Pwr Authority as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Generation potential vs reported

Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.

Analyst and MCP

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Power plants near Costa Sur Plant

More plants operated by Puerto Rico Electric Pwr Authority

Questions about Costa Sur Plant

How much power does Costa Sur Plant produce?

Costa Sur Plant reported 3,780,835 MWh (3.78 TWh) of net generation in 2025. From January to July 2026 it reported 2.11 TWh, which is provisional.

Where is Costa Sur Plant?

Costa Sur Plant is in Puerto Rico, at 18.0030, −66.7597.

Who operates Costa Sur Plant?

EIA-860M for August 2026 lists Puerto Rico Electric Pwr Authority as the operator (EIA operator ID 15497). The operator is not always the owner.

Is Costa Sur Plant a natural gas or a oil plant?

Both. Natural gas capacity totals 820 MW and oil capacity totals 212 MW.

When did Costa Sur Plant start operating?

Its first generator began operating in March 1962, according to EIA-860M.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page