NiSource-Alphabet Deal Puts NIPSCO Cost Recovery in Play for Existing C&I Customers

NiSource announced a long-term energy agreement to serve an Alphabet data center located in Indiana. The company's stock rose on the news, which reflects the market's straightforward read: large, long-term industrial load customers are good for utility revenue.

What Indiana manufacturers in NIPSCO territory need to think through is what comes next. A large data center is a large new load. Serving it reliably requires substation upgrades, transmission capacity, distribution improvements, and in some cases new generation. Every dollar NiSource spends on that infrastructure is eligible for cost recovery through the IURC rate-setting process. And that recovery does not land only on the new customer that created the need, it gets distributed across the existing rate base, which includes every commercial and industrial customer currently buying power from NIPSCO.

The question isn't whether NiSource should serve Alphabet's data center. The question is how the IURC handles cost allocation when those rate cases get filed, and whether the commercial class absorbs a disproportionate share, as it has historically.

What to watch: NIPSCO infrastructure upgrade announcements and rate case filings at the IURC tied to large new load customers. The filings will show how the utility intends to recover those costs and which customer classes are carrying the largest share.