Power plant · EIA plant code 971
Waterloo
- Operator
- City of Waterloo - (IL)
- Location
- Monroe, IL (county level only)
- Balancing authority
- Midcontinent Independent Transmission System Operator, Inc.. (MISO)
- Nameplate capacity
- 30.2 MW
- Summer capacity
- 28.3 MW
Planned changes reported to EIA: 1 proposed generator.
U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 10, 2027. Last checked for an update: Oct 31, 2026.
Generation in 2025
- Net generation
- 751 MWh
- Capacity factor
- 0.3%
Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.
U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 11, 2027. Last checked for an update: Oct 31, 2026.
Emissions
- Carbon dioxide in 2023
- 309 metric tons
- Carbon dioxide per MWh
- 1,474 lb/MWh
eGRID reports 340 short tons. One short ton is 0.90718474 metric tons.
Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.
U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Jan 31, 2026. Last checked for an update: Oct 31, 2026.
Generators
| Generator | Technology | Energy source | Nameplate | Operating since | Status |
|---|---|---|---|---|---|
| 1 | Petroleum Liquids | DFO | 3.1 MW | 1970 | Operable · As of September 2026 (EIA-860M): (SB) Standby/Backup: available for service but not normally used |
| 10 | Petroleum Liquids | DFO | 1.8 MW | 1996 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 11 | Petroleum Liquids | DFO | 1.8 MW | 1996 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 12 | Natural Gas Fired Combustion Turbine | NG | 6.6 MW | 2002 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 13 | Natural Gas Fired Combustion Turbine | NG | 7 MW | 2012 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| 14 | Natural Gas Fired Combustion Turbine | NG | 8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| 2 | Petroleum Liquids | DFO | 0.2 MW | 1954 | Operable · As of September 2026 (EIA-860M): (OS) Out of service and NOT expected to return to service in next calendar year |
| 3 | Petroleum Liquids | DFO | 0.2 MW | 1946 | Operable · As of September 2026 (EIA-860M): (OS) Out of service and NOT expected to return to service in next calendar year |
| 4 | Petroleum Liquids | DFO | 2 MW | 1963 | Operable · As of September 2026 (EIA-860M): (SB) Standby/Backup: available for service but not normally used |
| 5 | Petroleum Liquids | DFO | 0.5 MW | 1950 | Operable · As of September 2026 (EIA-860M): (OS) Out of service and NOT expected to return to service in next calendar year |
| 6 | Petroleum Liquids | DFO | 0.5 MW | 1950 | Operable · As of September 2026 (EIA-860M): (OS) Out of service and NOT expected to return to service in next calendar year |
| 7 | Petroleum Liquids | DFO | 1.7 MW | 1959 | Operable · As of September 2026 (EIA-860M): (SB) Standby/Backup: available for service but not normally used |
| 8 | Petroleum Liquids | DFO | 3 MW | 1973 | Operable · As of September 2026 (EIA-860M): (SB) Standby/Backup: available for service but not normally used |
| 9 | Petroleum Liquids | DFO | 1.8 MW | 1996 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Nov 23, 2026. Last checked for an update: Oct 31, 2026.