MAS ASB Cogen Plant
Fulton County, Georgia · EIA plant ID 58484 · Operator: Cube District Energy, LLC
Nameplate7MWSummer 7 MW
Generators3in service
Net generation39GWh12 mo to Aug 2026
Capacity factor64%gas/coal/oil units, summer MW
Heat rate9,274Btu/kWhfossil units, electric fuel, HHV
First online2012Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2013 | 50.9 | — | 9,156 |
| 2014 | 45.5 | — | 8,937 |
| 2015 | 42.9 | — | 9,830 |
| 2016 | 43.4 | — | 9,870 |
| 2017 | 45.8 | — | 8,836 |
| 2018 | 30.3 | — | 8,683 |
| 2019 | 43.7 | — | 8,971 |
| 2020 | 38.8 | 57.5% | 8,985 |
| 2021 | 47.4 | 73.9% | 8,468 |
| 2022 | 40.7 | 66.4% | 9,963 |
| 2023 | 41.5 | 70.2% | 10,577 |
| 2024 | 38.9 | 66.6% | 9,426 |
| 2025 | 38.2 | 58.0% | 9,482 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Natural Gas Internal Combustion Engine | IC | 2.2 | 2.2 | Mar 2012 | Operating | — | coming soon |
| 2 | Natural Gas Internal Combustion Engine | IC | 2.2 | 2.2 | Mar 2012 | Operating | — | coming soon |
| 3 | Natural Gas Internal Combustion Engine | IC | 2.2 | 2.2 | Mar 2012 | Operating | — | coming soon |
Owner / operator
Operator: Cube District Energy, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Cube District Energy, LLC | 100.0% | 7 MW |
Nearby plants
Within 80 km.
| Hickory Ridge Landfill Solar Project | 1 MW | 5.5 km |
| Inforum | 1 MW | 10.9 km |
| Atlanta Falcons Solar | 1 MW | 11.2 km |
| Georgia Pacific Center | 1 MW | 11.4 km |
| 191 Peachtree Tower | 2 MW | 11.5 km |
| CNN Center | retired | 11.6 km |