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Armstrong 1 — Power plant · Solar · Greenbacker Renewable Energy CorporationPivot Energy IL 52 — Under construction · Solar · IL · 5 MW · 2.5 mi awayPivot Energy IL 55b LLC — Under construction · Solar · IL · 2.8 MW · 4.4 mi awayPivot Energy IL 55 LLC — Under construction · Solar · IL · 3.1 MW · 4.4 mi awayOER IL - Groundhog — Under construction · Solar · IL · 2 MW · 6.0 mi awayOsman Trust — Under construction · Solar · IL · 4.5 MW · 6.9 mi away
  • Wind & solar
  • Under construction
  • Operating
  • 10 · 100 · 1,000 MW

Armstrong 1

Power plant · Solar

Key facts

Power plant · Solarran 25% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2024
Net generation, 2025
4,415 MWh
Grid
34 kV to Commonwealth Edison Co (MISO)
Location
McHenry County, Illinois
Operated by
Greenbacker Renewable Energy CorporationSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2024 to 2025

Operations detail

Details

Who’s behind it

No companies named in filings yet.

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Technology
Solar source: “Solar Photovoltaic”
Age
2 years since 2024
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Gem
Unit ids
G100001058187
Location id
L100001050443
Eia plant ids
68415
Grid
Nerc region
SERC
Report year
2025
Grid voltage kv
34
Transmission owner
Commonwealth Edison Co
Balancing authority code
MISO
Balancing authority name
Midcontinent Independent Transmission System Operator, Inc..
Fuel burned (MMBtu), 202515,065
Capacity factor, 20250.252
Net generation (MWh), 20254,415
Balancing authority codeMISO

Solar arrays

Array area (acres)
31.5
AC capacity (MW)
2
DC capacity (MW)
3.1
Mounting
Single-axis tracking
Site type
Greenfield
Began operating
2024

Source USPVDB

Source

  • USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb

Attribution

Timeline

  • In service · EIA-860M

Sources

5 sources

Sources EIA-860M · GEM · USPVDB · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026
  • GEMOpen license, with credit · retrieved Oct 26, 2026Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
  • USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
  • EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
  • EIA-860M Preliminary Monthly Electric Generator Inventory

Every source and license · Attribution

View at source

Around this plant

Nearby

within 15 mi
ProjectKindAwayMW
Pivot Energy IL 52 Under construction Solar 2.5 mi 5
Pivot Energy IL 55b LLC Under construction Solar 4.4 mi 2.8
Pivot Energy IL 55 LLC Under construction Solar 4.4 mi 3.1
OER IL - Groundhog Under construction Solar 6.0 mi 2
Osman Trust Under construction Solar 6.9 mi 4.5

Sources EIA-860M

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026

Attribution