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Maple Creek Energy (Phase 1) — Sullivan County Indiana

Maple Creek Energy Phase 1 is a proposed ~640 MW combined-cycle natural gas plant in Fairbanks Township, Sullivan County Indiana. IURC Cause No. 45840, declination granted June 2023.

A Natural Gas Power Plant

Maple Creek Energy (Phase 1) – Sullivan County Indiana

Status: 🟣 Filed / Permitted

Maple Creek Energy (Phase 1) is a proposed approximately 640-megawatt combined-cycle natural gas generating facility planned for Fairbanks Township, Sullivan County, Indiana. The IURC granted a declination of jurisdiction in Cause No. 45840 on June 14, 2023.

Quick Facts

  • Physical Address: Fairbanks Township, Sullivan County, Indiana (no civic address confirmed)
  • Location: Fairbanks Township, Sullivan County, Indiana (unincorporated; no local zoning)
  • Setback: Route 63 – 1,250 ft setback
  • Approximate site: ~25 acres
  • Capacity: ~640 MW (combined cycle natural gas)
  • Technology: High-efficiency combined-cycle gas turbine (CCGT)
  • Developers: Advanced Power AG (Switzerland); ArcLight Capital Partners; Bechtel Corp
  • IURC Cause No.: 45840
  • IURC Declination Granted: June 14, 2023
  • Gas Pipeline IURC Cause No.: 46125 (CPCN for intrastate gas pipeline; order March 5, 2025)
  • Planned COD: 2029
  • Last Verified: 2026-04-24

Background

Maple Creek Energy LLC filed for declination of IURC jurisdiction under Ind. Code § 8-1-2.5-5. Fairbanks Township is unincorporated with no local zoning requirements. The project is described by the developer as a high-efficiency CCGT producing approximately 65% less CO2 than coal generation and approximately 35% less CO2 than single-cycle gas (developer claims; not independently verified).

The project developer also filed a separate IURC CPCN (Cause No. 46125) for construction of an intrastate natural gas pipeline to supply the facility. The IURC issued an order on that pipeline proceeding on March 5, 2025.

What Is Confirmed

  • IURC Cause No. 45840 declination granted June 14, 2023
  • IURC Cause No. 46125 gas pipeline CPCN order issued March 5, 2025
  • Developers: Advanced Power AG, ArcLight Capital Partners, Bechtel Corp
  • Location: Fairbanks Township, Sullivan County (unincorporated, no local zoning)
  • Planned COD: 2029 (GEM Wiki; developer)
  • Phase 1 site: approximately 25 acres; Route 63 setback of 1,250 ft

What Remains Unclear

  • Construction start not yet publicly confirmed as of April 24, 2026
  • Current project financing and equity structure not confirmed from public records

Related Projects

Ownership History

DateEvent TypeOwner / Controlling EntityWhat ChangedSource
2025-10-27Development control / sponsor clarificationArcLight Capital Partners-backed Maple Creek Energy LLCAdvanced Power stated ArcLight is the owner of Maple Creek and is funding equipment procurement, while Advanced Power and BDC Power Holdings / Bechtel continue as development partners.PR Newswire release; Advanced Power project materials
2023-06-14Development controlMaple Creek Energy LLCThe project advanced in Indiana under Maple Creek Energy LLC through the IURC declination process.Maple Creek Phase 1 page

Ownership Sources

Sources

  • Primary — IURC: Cause No. 45840 (declination granted June 14, 2023)
  • Primary — IURC: Cause No. 46125 (gas pipeline CPCN; order March 5, 2025; reviewed from in.gov/iurc/files/ord_46125_030525.pdf)
  • Secondary — GEM Wiki: Maple Creek Energy Project, January 2026
  • Secondary — Developer: Maple Creek Energy website, Phase 1 project page

Last Verified: 2026-04-24

Last Verified: 2026-04-24