ESS Battery Microgrid
Battery storage project in Kodiak Island, Alaska. 3 MW of nameplate capacity across 1 generator, operated by Kodiak Electric Assn Inc.
Also known as EIA plant 58405
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 2012First generator online
- Operator
- Kodiak Electric Assn IncEIA operator ID 10433
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Kodiak Island, AK57.7992, −152.4042
- EIA plant ID
- 58405EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power ESS Battery Microgrid produces
Free · EIA-923Net generation, 2025
−229 MWh
−229 MWh, final
Battery discharge, 2025
6 MWh
Charge 235 MWh
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2016 to 2025
−246.0–0.0
MWh a year. Low 2021, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | 0 | Not reported | 12 of 12 |
| 2017 | 0 | Not reported | 12 of 12 |
| 2018 | −240 | Not reported | 12 of 12 |
| 2019 | −240 | Not reported | 12 of 12 |
| 2020 | −240 | Not reported | 12 of 12 |
| 2021 | −246 | Not reported | 12 of 12 |
| 2022 | −237 | Not reported | 12 of 12 |
| 2023 | −217 | Not reported | 12 of 12 |
| 2024 | −212 | Not reported | 12 of 12 |
| 2025 | −229 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Batteries | 3.0 | November 2012 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Kodiak Electric Assn Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
300 analyst questions a month, plus MCP
Query ESS Battery Microgrid and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near ESS Battery Microgrid
More plants operated by Kodiak Electric Assn Inc
Questions about ESS Battery Microgrid
How much power does ESS Battery Microgrid produce?
ESS Battery Microgrid reported −229 MWh (−229 MWh) of net generation in 2025.
Where is ESS Battery Microgrid?
ESS Battery Microgrid is in Kodiak Island, Alaska, at 57.7992, −152.4042.
Who operates ESS Battery Microgrid?
EIA-860M for August 2026 lists Kodiak Electric Assn Inc as the operator (EIA operator ID 10433). The operator is not always the owner.
When did ESS Battery Microgrid start operating?
Its first generator began operating in November 2012, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page