Home / Puerto Rico / Boiling Nuclear Superheater (BONUS) nuclear power plant

Boiling Nuclear Superheater (BONUS) nuclear power plant — Puerto Rico

Retired nuclear power-station site in Puerto Rico, Puerto Rico. Approximate location 18.3652, -67.2687.

NuclearPuerto RicoPuerto RicoSuperheaterboiling water reactorRetired

Boiling Nuclear Superheater (BONUS) nuclear power plant is a retired nuclear power station in Puerto Rico, Puerto Rico. Its current lifecycle status is “Retired” — so it is not yet, or no longer, generating at full output. It ranks #10 of 10 Puerto Rico power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation.

18MW installed capacity
4construction time (1960→1964)
1965commissioned (~61 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id GEM_nuc_boilingsuperheaterbo_puert.

Data status

Known data

FacilityBoiling Nuclear Superheater (BONUS) nuclear power plant GEM-nuclear
CountryPuerto Rico · Puerto Rico GEM-nuclear
Coordinates18.3652, -67.2687 GEM-nuclear
FuelNuclear GEM-nuclear
MW installed capacity18 MW GEM Global Nuclear Power Tracker September 2025 unit-status sum (retired); retired/historical capacity
Verification noteSum of 1 GNPT unit records in the selected retired historical scope. source-verified
OwnerUS DOE and Puerto Rico Electric Power Authority [100%] GEM-nuclear
Commissioned1965 GEM-nuclear
Technologyboiling water reactor GEM-nuclear

Calculated from dataset

Capacity rank in country#10 / 10 calculated
Fuel-specific rank in country#2 / 2 calculated
Environmental severityC5 · 47/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

Source of the capacity and fuel values:

capacity: GEM Global Nuclear Power Tracker September 2025 unit-status sum (retired); fuel: GEM GNPT

In context: how this plant compares

Technically it is described as boiling water reactor. Its lifecycle status is Retired; it no longer generates electricity. Nuclear plants split uranium to raise steam with no direct CO₂; they run as steady baseload with very high capacity factors and the longest operating lifetimes of any thermal plant.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

How it compares & nearby plants

The #2 largest nuclear power plant of 2 in Puerto Rico by capacity.

Puerto Rico has 2 nuclear power plants in this dataset, together about 601 MW of capacity.

Nearby power plants

Location

Coordinates 18.3652, -67.2687 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Boiling Nuclear Superheater (BONUS) nuclear power plant?

Boiling Nuclear Superheater (BONUS) nuclear power plant was a nuclear-fired power station in Puerto Rico, Puerto Rico and was retired.

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