July 21, 2026 · Spencer · Hendricks · Clark · Floyd

The Indiana Gas Plant Buildout Just Added 1,520 MW at Rockport, Here's Your Cost Exposure Through 2030

Indiana's gas plant buildout now spans three utilities and 5.6 GW by 2030. What the Rockport filing, PJM capacity costs, and port expansion mean for your plant.

Daniel BurkePublished every day

Indiana Michigan Power filed with the IURC on July 20 for approval to build a 1,520-megawatt natural gas combined cycle plant at its Rockport site in Spencer County, and the capital cost is not in the public filing. That makes three Indiana utilities now pursuing major new gas generation on overlapping schedules, which means the Indiana gas plant buildout puts every commercial and industrial operator in the state downstream of cost-recovery decisions that get settled in IURC proceedings beginning in early 2027.

01Statewide

I&M Files for 1,520 MW at Rockport Without a Public Capital Number

I&M requested a Certificate of Public Convenience and Necessity for the Rockport Energy Center, sited at the existing Rockport Generating Station along the Ohio River. It replaces two 1,300-MW Babcock & Wilcox coal units headed for full retirement by the end of 2028.

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02Vermillion

The Indiana Gas Plant Buildout Now Spans Three Utilities and 5.6 Gigawatts

Rockport is not standing alone. Duke Energy Indiana broke ground in May 2026 on the 1,476-MW Cayuga Energy Complex in Vermillion County, priced at $3.3 billion.

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03Clark

Jeffersonville's 300-Ton Crane Resets Ohio River Heavy-Lift Economics

Ports of Indiana announced on July 7 a $25 million federal BUILD grant, the largest award in the authority's 65-year history, funding a $32 million expansion at Jeffersonville in Clark County. The plan installs a 300-ton crane system, a 6,500-square-foot dock, and a 22,000-square-foot warehouse, raising lift capacity from 35 tons to 300 tons, doubling barge-rail transloading, and creating the port's first general cargo facility outside the floodplain.

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04Statewide

Plainfield and Georgetown: Two Life-Sciences Anchors, Two Different Clocks

We covered Boston Scientific's $138 million Plainfield build and its FDA establishment registration angle back in June. The supplier-side consequence is the part still open: if Plainfield earns that registration, kit assembly and labeling work can migrate there from the Spencer campus 40 miles away without a new public announcement, which creates incremental demand for Indiana contract manufacturers and precision suppliers already serving the endoscopy and urology scope lines.

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Questions for Your Morning Huddle

Q: How does the Indiana gas plant buildout reach my electricity bill before 2030?
A: Through capacity costs and rate proceedings, not through the plants themselves. PJM capacity auction costs rose $9.3 billion in the 2025-26 cycle and flow through to industrial customers now, while the capital recovery for Rockport, Cayuga, and NIPSCO's GenCo plant gets decided in IURC dockets starting in early 2027.

Q: Should we be modeling I&M's undisclosed Rockport capital cost?
A: Yes, as a scenario rather than a forecast. I&M has not published a capital figure, and national benchmarks imply roughly $3.2 to $3.5 billion for 1,520 MW, run your electricity cost model against a case where a number in that range enters the IURC record and tests the current non-fuel rate freeze framing.

Q: What does the Jeffersonville port expansion change for our inbound freight?
A: From 2028, Jeffersonville's 300-ton crane doubles the heavy-lift ceiling of the nearest Ohio River comparable, making barge-rail viable for transformers, structural steel, and oversized machinery you currently move by permitted highway haul. Pull your heavy-haul permit history and calculate what percentage of those loads could route through Clark County instead.

For more on how Indiana medical device capital investment reaches the regional supplier base, read our earlier breakdown of the Boston Scientific Plainfield facility and what it means for Indiana device suppliers.

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