Wilson County Commission conditional use permit and SPP queue interconnection milestone target commercial operation in May 2027.[1]
Savion, LLC, a Shell portfolio company, is developing the 65 MWac Sunflower Sky Energy Center across agricultural land south of Altoona in Wilson County, Kansas. Permitted under a Special Use Permit approved by the Wilson County Commission and built with mass civil site grading executed by Emery Sapp & Sons, the utility-scale solar plant connects into the Southwest Power Pool (SPP) transmission network to provide clean wholesale power across eastern Kansas.
Ellis County Commission contribution agreement milestones schedule commercial operation for November 2027.[1]
ibV Energy Partners is constructing the $275 million, 175 MWac Ellis Solar Project (also known as Tallgrass Solar) across 1,800 leased acres west of Mount Pleasant and Yocemento Road in Ellis County, Kansas. Formally approved by unanimous vote of the Ellis County Commission under a 10-year contribution agreement generating over $11.5 million in county revenue, the facility connects to the Southwest Power Pool (SPP) network, supplying zero-carbon energy for more than 30,000 households.
NextEra project timeline disclosures and SPP queue schedules target commercial operation in November 2027.[1]
NextEra Energy Resources is advancing the 200 MWac Sumner Energy Center across agricultural tracts near Oxford and Wellington in Sumner County, Kansas. Sited south of the Wichita metropolitan load pocket, the utility-scale photovoltaic solar array interconnects directly into the high-voltage Southwest Power Pool (SPP) bulk transmission grid, generating clean peak energy for over 45,000 homes while diversifying rural Kansas agricultural revenue under long-term landowner lease agreements.
Southwest Power Pool generator interconnection agreement milestones target commercial operation for late 2027.[1]
NextEra Energy Resources is advancing the 166 MW / 664 MWh Cimarron Battery Energy Storage System near Cimarron in Gray County, Kansas. Colocated with NextEra's 165 MW Cimarron Wind Energy Center within the Southwest Power Pool (SPP) regional transmission footprint, the four-hour storage project buffers southwestern Kansas wind generation, alleviates transmission congestion, and delivers critical capacity support to the regional grid.
Bourbon County Board of Commissioners economic development agreements and SPP queue milestones project commercial operation in September 2028.[1]
Doral Renewables is developing the 300 MWac Bourbon Solar Project (Tennyson Creek Solar) paired with an 800 MWh battery energy storage system in Bourbon County, Kansas. Permitted through conditional use approvals and economic agreements with the Bourbon County Board of County Commissioners, the utility-scale renewable complex near Uniontown and Fort Scott connects to the Southwest Power Pool (SPP) transmission grid to deliver clean wholesale energy, provide frequency reserves, and fund local USD school districts.
Parallel Parkway corridor, several miles west of Kansas Speedway, Kansas City, Wyandotte County, Kansas, United States (Cleanview site point; parcel addresses not published in the sources read)Red Wolf DCD Properties
Lawrence Times (3 Feb 2026) reports the plant opened in July (2025); month precision only, exact day not confirmed in fetched pages.[1]
Panasonic Energy's roughly $4 billion lithium-ion cell plant in De Soto, Kansas opened in July 2025 and is expected to draw 110-170 MW (Panasonic's construction executive, 2024) to 200-250 MW at full production (Evergy testimony, 2023) from a new 420 MW Evergy substation; in February 2026 it was nearing 50% of capacity and has since announced a more than $2 billion data-center battery line.
