Deals Counterparts

Steward Creek Solar secures 600 MW interconnection agreement with Commonwealth Edison and PJM Interconnection

Supply Agreement Solar announced U.S. Mar 7, 2026
600 MW
Capacity
development/construction
Stage
Steward Creek Solar
Project

Steward Creek Solar secured a 600 MW interconnection agreement with Commonwealth Edison and PJM Interconnection for grid integration.

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Deal Analysis

Steward Creek Solar, a Charlottesville, Virginia-based developer and Leyl portfolio company, secured a 600 MW interconnection agreement with Commonwealth Edison and PJM Interconnection for a U.S. solar project, announced 2026-03-07. This agreement integrates 600 MW of solar capacity into the grid coordinated by PJM Interconnection, serving Commonwealth Edison's 4 million customers across northern Illinois. Steward Creek Solar, founded in 2020, specializes in utility-scale solar projects.
  • Steward Creek Solar (Leyl portfolio) secured 600 MW solar interconnection.
  • Commonwealth Edison (Exelon subsidiary) serves 4 million customers.
  • PJM Interconnection coordinates wholesale electricity across 13 states.
  • Agreement announced 2026-03-07 for 600 MW capacity.

Source Intelligence

KEY DETAILS

The purchase includes a 600 MW interconnection agreement with Commonwealth Edison and PJM Interconnection. The Steward Creek Solar project will be established in two phases: Phase 1 construction starts in 2027 with operation by 2029, and Phase 2 construction is projected for 2028 with a 2030 functionality date. Quote: "When the purchase was announced, many people were quick to point out that it includes a 600 MW interconnection agreement with Commonwealth Edison and PJM Interconnection. This is something that will make grid integration much easier. The agreement states that Steward Creek Solar will be established in two phases. Phase 1 will start construction in 2027 and reach operation by 2029, while Phase 2 is projected for 2028 construction and a 2030 functionality date."

Capacity
Steward Creek Solar possesses 1.56 GW of capacity
Location
The upcoming project will be built in Lee County, Illinois
Announcement
by Prince March 7, 2026
COD
Phase 1 will start construction in 2027 and reach operation by 2029, while Phase 2 is projected for 2028 construction and a 2030 functionality date.
PARTIES MENTIONED IN SOURCE
T
TerraForm Power buyer

"TerraForm Power strengthens U.S. development portfolio through 1.56 GW Steward Creek Solar purchase"

H
Hexagon Energy developer/seller

"One of the key components behind the acquisition is Hexagon Energy."

medium quality Enriched Mar 8, 2026

Timeline

Announced
Mar 7, 2026
Signed
Closed

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