Nunnepog
Dukes County, Massachusetts · EIA plant ID 59080 · Operator: Clean Focus Yield, LLC
Nameplate1MWSummer 1 MW
Generators1in service
Net generation2GWh12 mo to Dec 2025
Capacity factor19%solar units, summer MW
Heat rate—thermal plants only
First online2014
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), solar 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) |
|---|---|---|---|
| 2014 | 1 | 18.6% | — |
| 2015 | 1.4 | 16.2% | — |
| 2016 | 1.6 | 18.3% | — |
| 2017 | 1.6 | 18.4% | — |
| 2018 | 1.4 | 16.1% | — |
| 2019 | 1.1 | 12.9% | — |
| 2020 | 1.1 | 12.4% | — |
| 2021 | 1.6 | 18.1% | — |
| 2022 | 1.5 | 17.5% | — |
| 2023 | 1.7 | 19.2% | — |
| 2024 | 1.7 | 19.7% | — |
| 2025 | 1.7 | 19.2% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| NUN1 | Solar Photovoltaic | PV | 1 | 1 | Jun 2014 | Operating | — | coming soon |
Owner / operator
Operator: Clean Focus Yield, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Clean Focus Yield, LLC | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| Katama Farm | 1 MW | 1 km |
| West Tisbury Generating Facility | retired | 10.3 km |
| Oak Bluffs Diesel Generating Facility | retired | 11.4 km |
| Tisbury Landfill Solar | 1 MW | 13.1 km |
| Blacksmith Road Solar 1 | 7 MW | 28.3 km |
| Falmouth Landfill Solar | 3 MW | 29 km |