🔌 Interconnection Weekly: Project Updates You Need to Know (4/14/2025 - 4/20/2025)
36 projects moved in the interconnection queues across the country in the past week
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We saw the following updates to U.S. transmission grid interconnection projects. For access to our live dataset, contact our sales team here.
Icarus Solar, Icarus Wind and Solar — 700MW battery + solar 🔋☀️ project in Mohave, AZ (CAISO). Proposed completion changed from December 28, 2028 to December 30, 2032
Nightcap — 550MW battery + gas 🔋🔥 project in Los Angeles County, CA (CAISO). Proposed completion changed from January 31, 2028 to July 31, 2028
Chronos Energy Storage — 500MW battery 🔋 project in San Bernardino, CA (CAISO). Proposed completion changed from December 29, 2028 to November 29, 2031
White Oak Solar, Solar 373 — 400MW battery + solar 🔋☀️ project in Nye, NV (CAISO). Proposed completion changed from December 28, 2028 to December 30, 2029
Burns-Summer Lake transmission line — 400MW battery + solar 🔋☀️ project in Lake, OR (PacifiCorp). Proposed completion changed from October 18, 2027 to September 30, 2025
Mercer-Mona #1 transmission line — 400MW battery + solar 🔋☀️ project in Utah, UT (PacifiCorp). Proposed completion changed from December 30, 2027 to December 14, 2024
P2958 Hydrogen Canada MPC Load — 320MW project in Strathcona County, AB (AESO). Proposed completion changed from July 26, 2027 to December 30, 2028
P2707 Sounding Creek Solar Battery — 300MW battery + solar 🔋☀️ project in Special Area No 2, AB (AESO). Proposed completion changed from September 21, 2027 to May 31, 2028
Blackrock substation — 199MW battery + solar 🔋☀️ project in Millard, UT (PacifiCorp). Proposed completion changed from December 30, 2027 to December 30, 2025
Pomona-Vantage transmission line — 199MW battery + solar 🔋☀️ project in Kittitas, WA (PacifiCorp). Proposed completion changed from November 6, 2025 to December 30, 2024
Mercer-Mona #1 transmission line — 199MW battery + solar 🔋☀️ project in Utah, UT (PacifiCorp). Proposed completion changed from December 30, 2027 to October 30, 2024
Walla Walla-Wanapum transmission line — 199MW battery + solar 🔋☀️ project in Walla Walla, WA (PacifiCorp). Proposed completion changed from November 30, 2026 to April 19, 2029
Saltgrass — 162MW battery 🔋 project in Stanislaus, CA (CAISO). Proposed completion changed from January 29, 2026 to May 31, 2028
P3078 Calgary A.I. Centre Load — 150MW project in Calgary, AB (AESO). Proposed completion changed from January 14, 2029 to January 14, 2030
Cowboy, Cowboy Hybrid — 150MW battery + solar 🔋☀️ project in Colusa, CA (CAISO). Proposed completion changed from March 31, 2028 to June 29, 2030
Rockport-Port calcite 138kV Transmission line — 150MW solar ☀️ project in Presque Isle County, MI (MISO). Proposed completion changed from October 31, 2023 to May 31, 2026
Red Brick Solar — 130MW solar ☀️ project in Lunenburg County, VA (PJM). Proposed completion changed from February 27, 2025 to July 11, 2026
Chester Solar — 120MW solar ☀️ project in Chesterfield County, VA (PJM). Proposed completion changed from June 29, 2025 to March 23, 2026
Toland Renewable Energy Park — 104MW wind 💨 project in Solano, CA (CAISO). Proposed completion changed from December 30, 2026 to May 29, 2029
Mandorla — 100MW battery + solar 🔋☀️ project in Tehama, CA (CAISO). Proposed completion changed from March 31, 2028 to June 29, 2030
Grandview substation — 100MW battery + solar 🔋☀️ project in Benton, WA (PacifiCorp). Proposed completion changed from December 16, 2026 to December 30, 2023
Roundup substation — 80MW battery + solar 🔋☀️ project in Umatilla, OR (PacifiCorp). Proposed completion changed from June 14, 2026 to December 13, 2028
Morrow County Solar II — 64MW solar ☀️ project in Morrow County, OH (PJM). Proposed completion changed from March 30, 2029 to March 30, 2026
Dulles Solar and BESS, Poland Rd-Runway DP 230 kV — 50MW battery 🔋 project in Loudoun County, VA (PJM). Proposed completion changed from May 31, 2023 to October 30, 2026
Mark Center Solar Project — 49MW solar ☀️ project in Defiance County, OH (PJM). Proposed completion changed from November 29, 2024 to September 29, 2026
P3071 Michichi Creek 802S Contract Change — 42MW project in Special Area No 2, AB (AESO). Proposed completion changed from May 31, 2027 to May 31, 2025
P3084 Southwest Edmonton Area New POD — 28MW project in Edmonton, AB (AESO). Proposed completion changed from June 8, 2027 to July 12, 2029
Liberty Gold Mining Project — 28MW project in Box Elder County, UT (Raft River Rural Electric Cooperative, Inc.). Proposed completion changed from March 24, 2028 to March 24, 2029
Redtail Energy Storage — 22MW battery 🔋 project in Monterey, CA (CAISO). Proposed completion changed from September 30, 2027 to September 30, 2028
Ellistown Solar & BESS — 20MW battery + solar 🔋☀️ project in Bradford County, PA (PJM). Proposed completion changed from May 31, 2023 to December 30, 2027
Crawford Solar II — 20MW solar ☀️ project in Crawford County, PA (PJM). Proposed completion changed from March 28, 2024 to April 29, 2027
Wilmington Solar Energy Project — 19MW battery + solar 🔋☀️ project in Will County, IL (PJM). Proposed completion changed from March 31, 2026 to December 30, 2027
Mount Lassen Power Plant — 10MW biomass 🌿 project in Lassen, CA (CAISO). Proposed completion changed from March 30, 2027 to March 30, 2028
Blacktail Energy Storage — 10MW battery 🔋 project in Monterey, CA (CAISO). Proposed completion changed from September 30, 2027 to September 30, 2028
Raspberry Solar 1 — solar ☀️ project in Contra Costa, CA (CAISO). Proposed completion changed from June 30, 2026 to June 30, 2027
P3080 Jumping Pound 271S Contract Change — -4MW project in Kananaskis Improvement District, AB (AESO). Proposed completion changed from June 30, 2025 to January 31, 2026
