Madison Dam / MAD2
Generator · Retired
| Metric or condition | Source value | Basis, scope and stage |
|---|---|---|
| Nameplate Capacity (MW) | 2.2 MW | Original source column definition · Generator · Retired As-of date 2026-08 Sources EV-112a70b5e12f750452dc4c4a |
| Net Summer Capacity (MW) | 3.7 MW | Original source column definition · Generator · Retired As-of date 2026-08 Sources EV-112a70b5e12f750452dc4c4a |
| Net Winter Capacity (MW) | 3.7 MW | Original source column definition · Generator · Retired As-of date 2026-08 Sources EV-112a70b5e12f750452dc4c4a |
Detailed source fields
| Original source field | Published value or condition |
|---|---|
| Entity ID | 13902 |
| Entity Name | NorthWestern Energy (MT Hydro) |
| Plant ID | 6422 |
| Plant Name | Madison Dam |
| Google Map | Map |
| Bing Map | Map |
| Plant State | MT |
| County | Madison |
| Balancing Authority Code | NWMT |
| Sector | Electric Utility |
| Generator ID | MAD2 |
| Nameplate Capacity (MW) | 2.2 |
| Net Summer Capacity (MW) | 3.7 |
| Net Winter Capacity (MW) | 3.7 |
| Technology | Conventional Hydroelectric |
| Energy Source Code | WAT |
| Prime Mover Code | HY |
| Operating Month | 9 |
| Operating Year | 1906 |
| Retirement Month | 10 |
| Retirement Year | 2019 |
| Latitude | 45.487869 |
| Longitude | -111.6338 |
| Original text | Retired |
| Coordinate accuracy | source_precision_not_independently_surveyed |
| source_record_id | Retired:2023 |
Parent facility or plant record
Coordinates locate the plant, including when this record describes one generator.
Location: Plant location · not an individual generator location
Sources, reference dates and retrieval dates 2items
Data Source 2025 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
Source location 3_1_Generator_Y2025.xlsx#Retired and Canceled:2629
Sources EV-bfcd858394b2843cf9c01f3dEvidence SHA-256 2b27929d26cc1da9ad6a530da1cac6718cd8496098ee560c4d47cfffd96d08ba
행 SHA-256 76492f39377fd8f40287ff02404574dc022dcfbb8222148b390b86d9406e06f7
Usage terms US government public domain
Data Source 2026-08 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
Source location Retired:2023
Sources EV-112a70b5e12f750452dc4c4aEvidence SHA-256 b4b70abb4c217e8e2658c3bde7608a3d530e86a81279ccc572ced82a200e9f1c
행 SHA-256 946b1af2b0d2bc30e2d289aeb01d516eacb33fc0019fc047c46909ea29b53c43
Usage terms US government public domain