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- Wind & solar
- Operating
- 10 · 100 · 1,000 MW
Map
- Wind & solar
- Operating
Millbrook School: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Millbrook School
Power plant · Solar
Key facts
Power plant · Solarran 14% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2015
- Net generation, 2025
- 1,763 MWh
- Grid
- 0.5 kV to Central Hudson Gas & Elec Corp (NYIS)
- Location
- Dutchess County, New York
- Operated by
- Tesla Inc.
Output
Details
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- Technology
- Solar source: “Solar Photovoltaic”
- Age
- 11 years since 2015
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Gem |
|
| Grid |
|
| Fuel burned (MMBtu), 2025 | 6,016 |
| Capacity factor, 2025 | 0.144 |
| Net generation (MWh), 2025 | 1,763 |
| Balancing authority code | NYIS |
Solar array
Solar array
The array area counts panels and inverters only, not buildings, fences or the whole site.
- Array area (acres)
- 6.6
- AC capacity (MW)
- 1.4
- DC capacity (MW)
- 1.7
- Mounting
- Single-axis tracking
- Site type
- Greenfield
- Began operating
- 2015
Source USPVDB
Source
- U.S. Large-Scale Solar Photovoltaic DatabaseMap services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| Tesla Inc. | Operator | EIA-860M | ||
| Three Rivers Solar I, LLC | Owner | 100.0% | 31 Dec 2025 | EIA-860 |
Timeline
- In service · EIA-860M
Sources
6 sourcesSources EIA-860M · GEM · USPVDB · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
- U.S. Large-Scale Solar Photovoltaic Database (USPVDB) — USGS and LBNL; one row per facility with its array footprintMap services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules