Sundial (Troutdale) BESS
Battery storage project in Multnomah County, Oregon. 200 MW of nameplate capacity across 1 generator, operated by Troutdale Grid, LLC.
Also known as EIA plant 67869
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 200 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2024First generator online
- Operator
- Troutdale Grid, LLCEIA operator ID 66444
- Grid
- PGEBalancing authority PGE
- Price nodes
- None linkedNo verified ISO node
- Location
- Multnomah County, OR45.5598, −122.4201
- EIA plant ID
- 67869EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Sundial (Troutdale) BESS produces
Free · EIA-923Net generation, 2025
−33.4 GWh
−33,415 MWh, final
Battery discharge, 2025
247 GWh
Charge 281 GWh
January to July 2026
−20.0 GWh
Provisional
| 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 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | −3,510 | Not reported | 1 of 12 |
| 2025 | −33,415 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | −20,049 | Not reported | 7 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 |
|---|---|---|---|
| BTD | Batteries | 200.0 | December 2024 |
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 Troutdale Grid, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Questions about Sundial (Troutdale) BESS
How much power does Sundial (Troutdale) BESS produce?
Sundial (Troutdale) BESS reported −33,415 MWh (−33.4 GWh) of net generation in 2025. From January to July 2026 it reported −20.0 GWh, which is provisional.
Where is Sundial (Troutdale) BESS?
Sundial (Troutdale) BESS is in Multnomah County, Oregon, at 45.5598, −122.4201. It is in the Portland General Electric Company balancing area (PGE).
Who operates Sundial (Troutdale) BESS?
EIA-860M for August 2026 lists Troutdale Grid, LLC as the operator (EIA operator ID 66444). The operator is not always the owner.
When did Sundial (Troutdale) BESS start operating?
Its first generator began operating in December 2024, 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