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RPU signs agreements for two 10 MW battery systems as part of resource plan
Summary
Rochester Public Utilities presented and the council authorized two 10‑MW/4‑hour battery systems sited at RPU facilities under tolling agreements; staff said the projects (20 MW total) will capture capacity value and energy arbitrage and can be deployed quickly because they connect to the city’s distribution system.
Rochester Public Utilities asked the council Dec. 8 to authorize two 10‑MW/4‑hour battery systems (20 MW total) to be built at city‑controlled sites: the Zumbro Substation and the RPU service center. The council approved a resolution authorizing energy‑storage service agreements with LightShift Energy SPV LLC.
RPU staff explained the projects would be delivered under tolling agreements in which the developer builds, owns and maintains the battery systems while RPU is responsible for dispatch. Because the systems connect on the distribution side (behind the bulk‑grid meter), staff said they avoid long MISO interconnection queues and…
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