SolarOperatingPGE

Zena Solar

Solar power plant in Polk County, Oregon. 2.5 MW of nameplate capacity across 1 generator, operated by Zena Solar LLC.

Also known as EIA plant 68508

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Bighorn SolarSSD Marion 3, LLCZena Solar5 km
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6 plants within 14 km, from EIA coordinates.

Key facts

Capacity
2.5 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
December 2024First generator online
Operator
Zena Solar LLCEIA operator ID 66887
Grid
PGEBalancing authority PGE
Price nodes
None linkedNo verified ISO node
Location
Polk County, OR45.0202, −123.0985
EIA plant ID
68508EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Zena Solar produces

Free · EIA-923

Net generation, 2025

4.49 GWh

4,490 MWh, final

Capacity factor, 2025

20.5%

2024: Not reported

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2024 to 2025

0.0–4.5

GWh a year. Low 2024, high 2025

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
2014Not reportedNot reported0 of 12
2015Not reportedNot reported0 of 12
2016Not reportedNot reported0 of 12
2017Not reportedNot reported0 of 12
2018Not reportedNot reported0 of 12
2019Not reportedNot reported0 of 12
2020Not reportedNot reported0 of 12
2021Not reportedNot reported0 of 12
2022Not reportedNot reported0 of 12
2023Not reportedNot reported0 of 12
20249Not reported12 of 12
20254,49020.5%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account

No verified ISO price node is linked to this plant, or its price history could not load.

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No 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
GeneratorTechnologyNameplate MWOnline since
ZENASolar Photovoltaic2.5December 2024

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Zena Solar LLC as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Modeled curtailment

A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.

Modeled

Expected vs reported generation

Monthly modeled expected output and physical potential next to EIA-923 reported output.

Analyst and MCP

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Power plants near Zena Solar

Questions about Zena Solar

How much power does Zena Solar produce?

Zena Solar reported 4,490 MWh (4.49 GWh) of net generation in 2025, a 20.5% capacity factor on 2.5 MW of nameplate capacity.

Where is Zena Solar?

Zena Solar is in Polk County, Oregon, at 45.0202, −123.0985. It is in the Portland General Electric Company balancing area (PGE).

Who operates Zena Solar?

EIA-860M for August 2026 lists Zena Solar LLC as the operator (EIA operator ID 66887). The operator is not always the owner.

When did Zena Solar 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