Caonillas
Hydro power plant in Puerto Rico. 22 MW of nameplate capacity across 3 generators, operated by Puerto Rico Electric Pwr Authority.
Also known as Caonillas Dam Hydro · EIA plant 61225
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 22 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- January 1949First generator online
- Operator
- Puerto Rico Electric Pwr AuthorityEIA operator ID 15497
- Grid
- NABalancing authority NA
- Price nodes
- None linkedNo verified ISO node
- Location
- PR18.2770, −66.6560
- EIA plant ID
- 61225EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Caonillas produces
Free · EIA-923Net generation, 2025
0 MWh
0 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
0 MWh
Provisional
Range, 2017 to 2025
0.0–9.2
GWh a year. Low 2019, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | 9,185 | Not reported | 12 of 12 |
| 2018 | 0 | Not reported | 11 of 12 |
| 2019 | 0 | Not reported | 12 of 12 |
| 2020 | 0 | Not reported | 12 of 12 |
| 2021 | 0 | Not reported | 12 of 12 |
| 2022 | 0 | Not reported | 12 of 12 |
| 2023 | 0 | Not reported | 12 of 12 |
| 2024 | 0 | Not reported | 12 of 12 |
| 2025 | 0 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 0 | Not reported | 7 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 9.0 | January 1949 |
| 2 | Conventional Hydroelectric | 9.0 | January 1949 |
| 3 | Conventional Hydroelectric | 4.0 | September 1952 |
Ownership and offtake
ProOwnership 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
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Caonillas
More plants operated by Puerto Rico Electric Pwr Authority
Questions about Caonillas
How much power does Caonillas produce?
Caonillas reported 0 MWh (0 MWh) of net generation in 2025. From January to July 2026 it reported 0 MWh, which is provisional.
Where is Caonillas?
Caonillas is in Puerto Rico, at 18.2770, −66.6560.
Who operates Caonillas?
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.
When did Caonillas start operating?
Its first generator began operating in January 1949, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page