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Former US coal plant to host 100-hour iron-air battery – pv magazine International


The Minnesota Public Utilities Fee (PUC) has permitted Kind Vitality’s 10 MW/1 GWh iron-air long-duration storage facility for Xcel Vitality.

From pv journal USA

The PUC permitted the development by Kind Vitality of a ten MW/1 GWh iron-air long-duration power storage facility for Xcel Vitality. It’s scheduled to be constructed on the location of the previous Sherburne County Producing Station, which is a coal-fired producing plant alongside the Mississippi River. The venture will change a facility that was beforehand able to delivering greater than 2.2 GW of coal-generated energy.

Xcel plans to start building in mid-2024, aiming to deliver the location on-line by mid-2025. The venture proposal submitted to the PUC was largely redacted, hiding many particulars, together with particular price info, from the general public. That is ironic, given the “public” nature of the utilities fee.

The submitting reveals that the venture’s location on a brownfield/coal website qualifies it for a further 10% tax credit score adder underneath the US Inflation Discount Act. The submitting additionally signifies that the venture may even qualify for a ten% home content material tax credit score adder, as a result of Kind Vitality has expressed its dedication to make sure the qualification of their product. In a current improvement, Kind Vitality introduced the development of a manufacturing facility in West Virginia.

Based on one other Minnesota PUC docket, a white paper from Kind Vitality (Docket No. ET-2/RP-22-75), which was ready as a part of the gradual improvement of the Cambridge Vitality station , offers insights into price inputs for monetary modeling instruments (see desk under). Kind Vitality estimates the price of iron-air power storage {hardware}, underneath “All-in Capital Price,” to be between $1,700 and $2,400 per kW, with an working price of $19/kW per 12 months.

Though {hardware} prices are two to 3 instances increased as a result of its distinctive nature (100-hour battery capability), Kind Vitality initiatives working prices to be lower than half of these for eight hour lithium-ion batteries.

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