Indeck Jonesboro Energy Center
Washington County, Maine · EIA plant ID 10765 · Operator: Stored Solar J&WE
Nameplate28MWSummer 20 MW
Generators1in service
Net generation0GWh12 mo to Aug 2026
Capacity factor0%other units, summer MW
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online1987
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), other 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) |
|---|---|---|---|
| 2001 | 2.7 | 1.1% | — |
| 2002 | 0 | 0.0% | — |
| 2003 | 0 | 0.0% | — |
| 2004 | 56.6 | 24.0% | — |
| 2005 | 140.4 | 59.8% | 18,929 |
| 2006 | 169.7 | 72.3% | — |
| 2007 | 170.4 | 72.6% | — |
| 2008 | 166.3 | 70.7% | — |
| 2009 | 168.2 | 83.1% | — |
| 2010 | 121.7 | 68.8% | — |
| 2011 | 5.7 | 3.2% | — |
| 2012 | 45 | 25.4% | — |
| 2013 | 105.6 | 59.7% | — |
| 2014 | 126.6 | 71.5% | 17,624 |
| 2015 | 126.9 | 71.1% | 18,257 |
| 2016 | 34.8 | 19.5% | 17,553 |
| 2017 | 26.5 | 14.5% | 21,265 |
| 2018 | 10.6 | 6.0% | 19,594 |
| 2019 | 23.4 | 13.2% | 19,384 |
| 2020 | 13.6 | 7.6% | 19,317 |
| 2021 | 28.1 | 15.8% | 22,084 |
| 2022 | 18.7 | 10.5% | — |
| 2023 | 0 | 0.0% | — |
| 2024 | 0 | 0.0% | — |
| 2025 | 0 | 0.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Wood/Wood Waste Biomass | ST | 27.5 | 20.2 | Dec 1987 | Operating (Standby / backup) | — | coming soon |
Owner / operator
Operator: Stored Solar J&WE. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Stored Solar J&WE | 100.0% | 28 MW |
Nearby plants
Within 80 km.
| Dublin Street LLC | 5 MW | 6.6 km |
| Marshfield Solar, LLC | 2 MW | 7.9 km |
| Downeast Wind | 126 MW | 30.5 km |
| Wymans Deblois | 5 MW | 33.1 km |
| Three Rivers Solar Power, LLC | — | 44.6 km |
| Hancock Wind Plant | 51 MW | 48.2 km |