Buffalo Bear LLC
Harper County, Oklahoma · EIA plant ID 56946 · Operator: buffalo bear, llc
Nameplate19MWSummer 19 MW
Generators1in service
Net generation20GWh12 mo to Dec 2025
Capacity factor12%wind units, summer MW
Heat rate—thermal plants only
First online2008
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), wind 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.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2009 | 50.5 | 30.5% | — |
| 2010 | 59.1 | 35.7% | — |
| 2011 | 61.1 | 36.9% | — |
| 2012 | 65.7 | 39.6% | — |
| 2013 | 64 | 38.6% | — |
| 2014 | 63.3 | 38.2% | — |
| 2015 | 57.2 | 34.5% | — |
| 2016 | 60.8 | 36.6% | — |
| 2017 | 61.2 | 37.0% | — |
| 2018 | 57.6 | 34.8% | — |
| 2019 | 65.5 | 39.6% | — |
| 2020 | 46.4 | 28.0% | — |
| 2021 | 22 | 13.3% | — |
| 2022 | 26 | 15.7% | — |
| 2023 | 21.8 | 13.1% | — |
| 2024 | 18.8 | 11.3% | — |
| 2025 | 19.9 | 12.0% | — |
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 | Onshore Wind Turbine | WT | 18.9 | 18.9 | Dec 2008 | Operating | — | suzlon S88-2100 |
Owner / operator
Operator: buffalo bear, llc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| buffalo bear, llc | 100.0% | 19 MW |
Nearby plants
Within 80 km.
| Centennial Wind Farm | 120 MW | 15.7 km |
| Sleeping Bear LLC | 95 MW | 19.3 km |
| Laverne Diesel Generating Plant | 4 MW | 23.9 km |
| Oklahoma Wind Energy Center | 102 MW | 32.6 km |
| 25 Mile Creek | 250 MW | 33.5 km |
| Boiling Springs Wind Farm | 148 MW | 35.6 km |