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Alliant Energy outlines proposed substation behind Piggly Wiggly; board seeks environmental and access details
Summary
Alliant Energy presented an offer to buy roughly 1 acre behind the Piggly Wiggly site for a small substation; Alliant said the site would meet village distribution needs and not support data-center scale loads; trustees asked for a stamped environmental memo, access easement details, and confirmation of lighting and noise compliance.
An Alliant Energy representative told the Village of Cottage Grove board the utility is proposing to purchase a parcel immediately behind the Piggly Wiggly property to site a distribution substation to improve local electrical reliability.
"My name is Nick Hennold. I'm in the project management group at Alliant Energy," he said, and he showed maps explaining the proposed site, existing nearby substations and an access plan that would take traffic around the west side of the grocery site. Hennold said Alliant had prepared a high-level environmental memo and wetland delineation and would share those materials with village staff.
Kirk cedar Berg, Alliant’s distribution planning engineer, told trustees historical load growth in Cottage Grove has averaged about 2 percent annually; at that growth rate Alliant’s modeling projects the proposed substation would meet needs for roughly 20–25 years.
Trustees pressed for more details on easement language for construction access, whether temporary construction easements would be used for large vehicles, what the lighting and sound profile would be for nearby residences and a senior living facility, and whether the site could host larger industrial customers (Alliant said it is sized for distribution needs and not data-center scale growth). Trustees asked Alliant to send the engineering and environmental memos and an addressing plan for review.
No board vote was taken; staff will receive the shared memos and follow up with the utility and bring any formal offer or contract language back to a future meeting for action.
Next steps: Alliant will send the village the environmental memo, wetland delineation and binders of engineering materials; staff will circulate those to trustees and the village engineer for review and return recommended terms to the board.
