World Power Plants

Marbo CT is a 16 MW oil-fired power plant in the United States, operated by Guam Power Authority since 1993. Ranked #248 of 879 oil plants in the United States. Its 16 MW represents 0.04% of the country's total oil capacity of 38,410 MW. The largest oil plant in the United States is Manatee at 2,951 MW, making Marbo CT 183 times smaller. Nearby plants within 50 km include Cabras 1 (212 MW, Oil), Piti 8 (MEC) (128 MW, Oil), and Dededo CT 1 (72.4 MW, Oil). The facility is located in Guam, approximately 50 km from the nearest major city, Hagåtña.

Capacity
16 MW
Commissioning Year
1993

33 years old

Owner
Guam Power Authority
Location
13.5129°, 144.8720°

United States of America, North America

Context & rankings
  • 4,253. largest of 10,098 plants in United States of America
  • #20,858 worldwide by installed capacity
  • #1,023 of 2,478 Oil plants worldwide
Age & fleet comparison

33 years in operation

Oil fleet average: 28.7 years

Operator portfolio

Guam Power Authority operates 7 plants totalling 528 MW

Regional density

7 plants within 100 km, 512 MW combined

Nearest plant: Yigo CT (3.3 km)

Data provenance

Location

Coordinates:: 13.512900, 144.872000
Open in Google Maps
Carbon Footprint650 g CO₂/kWh
Annual CO₂
31.9 Kt
49 GWh/year × 650 g/kWh
Cumulative CO₂
1.05 Mt
Over 33 years of operation
Past Retirement
2023
3 years past expected retirement
Annual emissions equivalent to
6.9K
cars per year
4.3K
homes per year
1.4M
trees to offset

Estimates based on Oil emission factor (650 g CO₂/kWh) and capacity factor (35%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

Primary Fuel Type
Oil
Energy Source
Non-Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
GasCoalNuclearWind
Top Fuels

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