Utility presents MISO auction results; board hears implications for pricing and renewable mandates
Utility staff summarized MISO auction results showing lower average market costs ($3.84/kW‑month) compared with the previous year and explained how capacity and resource additions (wind, solar, storage) affect pricing. Staff also noted state renewable and clean energy targets and estimated a possible $4 million annual increase in purchase power costs if full zero‑carbon requirements are implemented.
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The utility’s briefing on the Midwest Independent System Operator (MISO) 2027–28 auction showed a lower average market price than the prior year and described how capacity additions are shaping the market. The presenter told the board the average cost shown on the slide was $3.84 per kilowatt‑month, compared with $6.60 last year, and noted AMP’s budget assumption of $3.92 per kilowatt‑month. Staff said summer pricing was lower this year while winter pricing had edged higher.
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