The 765 kV Line in Jefferson County — No 765 Line

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Wisconsin PSC · MariBell fall 2026 · BECI early 2027

The 765 kV line in Jefferson County

Yes; Jefferson County is inside the official study area for BECI, a proposed 765,000-volt transmission line. No route has been chosen yet, and no application has been filed. The developer has published 78 candidate study segments, and its announced comment window on them closed September 7, 2026, though comments can still be sent to the company.

Updated September 6, 2026

Jefferson County outlined, with BECI's published study area and study segments. Source: Midcontinent Grid Solutions (mgs-projects.com), captured August 2026. A study segment is not a chosen route.

What is being proposed here?

Project
BECI (Bell Center to the Illinois state line, ~190 miles)
Developer
Midcontinent Grid Solutions, a Transource Energy and BHE Transmission joint venture
Status
Route study; PSC application expected early 2027
Line type
765 kV, the largest transmission class in the country; towers 150 to 200 feet

What is happening right now?

  • MGS held its Jefferson County open house at the County Fairgrounds Activity Center in Jefferson on August 26. The developer's open-house round ended August 27; written comments on the study segments are still being accepted.
  • The developer's announced comment window on its 78 study segments closed September 7, 2026. Comments can still be sent to the company.

Who here is on the record?

  • Jefferson County — Resolution opposing any BECI route that would create new high-impact corridors through the county (2026-27), adopted Sep 8, 2026 (County board resolution (PDF))
  • City of Waterloo — Resolution opposing the proposed BECI line (2026-47), adopted Sep 3, 2026 (Common Council minutes (PDF))
  • City of Whitewater — Resolution opposing the routing of the BECI line through or next to the city and its planning and growth areas, and asking MGS to drop the nearby study segments (2026-R-43), adopted Aug 19, 2026 (Common Council resolution (PDF))
  • Town of Aztalan — Resolution opposing the routing and construction of the BECI line through the town (2026-04), adopted Sep 9, 2026 (Town board resolution (PDF))
  • Town of Koshkonong — Resolution opposing the routing of the BECI line through the town (2026-0923-BECI), adopted Sep 23, 2026 (Town board resolution (PDF))
  • Town of Lake Mills — Resolution demanding project-specific information from MGS about the BECI line (2026-0827A), adopted Aug 27, 2026 (Town board resolution (PDF))
  • Town of Lake Mills — Resolution opposing greenfield routing of the BECI line across the town (2026-0827B), adopted Aug 27, 2026 (Town board resolution (PDF))
  • Town of Milford — Resolution opposing the BECI line within the town (2026-09-03), with the town board's opposition letter, adopted Sep 3, 2026 (Town board resolution and letter (PDF))
  • Town of Oakland — Resolution opposing the routing and construction of the BECI line through the town (2026-09), adopted Sep 15, 2026 (Town board resolution (PDF))
  • Town of Waterloo — Resolution of the town electors opposing the BECI line and any route through or affecting the town (2026-01), adopted Sep 29, 2026 (Town electors' resolution (PDF))

See Jefferson County on the statewide tracker

Local businesses on the record

2 Jefferson County businesses on the record.

  • Cold Spring Farm Whitewater
  • Delta Electric Whitewater

See the statewide roster, or add your business

What can I do?

How do I connect locally?

County organizing is just getting started here. Local contacts and ways to connect in Jefferson County will be added to this page as they become available. Joining the email list is the best way to hear when that happens.

Common questions

Is a route through Jefferson County already decided?

No. The developer has published a study area and 78 study segments, not a route. A route only becomes real if the Public Service Commission of Wisconsin grants a permit, in a proceeding expected to begin in early 2027.

Who decides whether this gets built?

The Public Service Commission of Wisconsin, through a Certificate of Public Convenience and Necessity proceeding. The public can participate at every stage.