Nucor Kingman Mill Installs 50MW/200 MWh Battery Energy Storage System Developed by Ameresco

Nucor Corporation (NYSE:NUE) is one of the best infrastructure stocks to buy with huge upside. On October 17, Ameresco Inc. (NYSE:AMRC) announced the successful development and commercial operation of a large-scale Battery Energy Storage System/BESS for Nucor in Kingman, Arizona. Nucor is undergoing a major expansion at its Kingman bar mill, which includes installing a new electric arc furnace to boost the facility’s annual production capacity to 600,000 tons.

The expansion led to the need for a solution to support operational reliability and manage energy demand. The BESS, with a capacity of 50MW/200 MWh, is a key component of this expansion. It achieved commercial operation in October 2025.

The BESS is the largest behind-the-meter/BTM project in Arizona and is ranked as the fourth largest BTM installation in the entire US. Construction on the Ameresco-owned battery system, featuring 58 Tesla Megapack 2XL units, began in December 2024.

Nucor Corporation (NYSE:NUE) manufactures and sells steel and steel products. The company operates in 3 segments: Steel Mills, Steel Products, and Raw Materials.

Ameresco Inc. (NYSE:AMRC) provides energy solutions in the US, Canada, and Europe. It operates through North America Regions, US Federal, Renewable Fuels, Europe, and All Other segments.

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Disclosure: None. This article is originally published at Insider Monkey.