Get Full Government Meeting Transcripts, Videos, & Alerts Forever!
Get email alerts on the Renewable Energy topic
No spam. Unsubscribe anytime.
Geneseo officials say one municipal wind turbine failed; council to review repair, decommission or repower options
Summary
City staff reported Wind Turbine 1 stopped on April 30 after a generator fault that likely resulted from permanent magnets detaching and shorting the windings. The city filed an insurance claim; staff outlined three options — replacement, decommissioning or repowering — and will return with costs and timelines.
City Administrator Brandon introduced Director Rowald for a technical update on the city’s municipal wind turbine, which staff said stopped spinning on April 30 after a generator fault.
Director Rowald told the council the municipality’s investigation indicates epoxy-mounted permanent magnets likely detached from the rotor, fell onto the stator and caused the windings to short. The city has filed a mechanical-breakdown insurance claim and is working with the turbine vendor for a detailed assessment. “Wind turbine one has not been spinning since April 30th,” the presenter said.
Staff laid out three options for council consideration: replace the failed generator, decommission the turbine, or repower — which could mean installing a whole new turbine or a compatible replacement if the existing foundation can be reused. The city noted a $100,000 deductible on the mechanical breakdown policy; staff said replacement costs would exceed that deductible. The lead time for a replacement generator was estimated at six to nine months because the units are sourced from the manufacturer in Germany.
Council members and residents asked about budget and rate impacts. Staff said the turbines typically contributed modest energy in summer months and that losing the turbine would mean purchasing more power on the wholesale market; they estimated an annual increase in purchased power in the range of roughly $120,000 if the loss persisted a full year. Staff did not present a final cost comparison for repair versus replacing solar capacity and said they will return to the council with firm estimates.
During public comment Pastor Paul asked whether, given prior discussions that solar arrays were more reliable, repairing the turbine remains the best use of funds or whether expanding the municipal solar array would better serve the city. City staff acknowledged that question and said options and cost/benefit analyses would be brought back for council consideration.
The council took no formal action at the meeting; staff committed to return later this summer with more detailed cost estimates, insurance outcomes and a recommendation.
