Kingspan's Solar Expansion: A Step Toward Sustainability for Insulation Materials Firm

The Mendota solar project, covering 50,000 sq ft, is projected to generate 1 million kWh annually, offsetting 870 metric tons of CO2, and exemplifies Kingspan's commitment to achieving 60% renewable energy use by 2030.
April 13, 2026
2 min read

Building efficiency firm Kingspan Insulation North America has celebrated completion of an 881-kW rooftop solar array at its manufacturing facility in Mendota, Illinois.

REC Solar and Dynamic Energy were the power generation, development, engineering and construction partners on the project. Mendota’s array is the third largest on-site solar project for Kingspan in North America.

As part of this program, Kingspan Group has not only committed to add solar PV systems on all its wholly-owned sites but also achieving 60% direct renewable use by 2030.

The project, using 50,000 square feet of Kingspan-owned industrial rooftop space, is projected to generate approximately 1 million kWh of renewable energy a year, offsetting roughly 870 metric tons of CO2 emissions each year.

“This project is a tangible example of our Planet Passionate commitment in action as we continue to reduce operational carbon, increase our use of renewable energy, and invest in long-term solutions that strengthen both our environmental performance and our business,” said Kyle McEnroe, President of Kingspan Insulation North America, in a statement. “It’s another step forward in how we embed sustainability into the way we manufacture, operate, and grow in North America.”

REC Solar will own and operate the solar array as part of a 25-year power purchase agreement. Moreover, REC Solar owns and operates a 1.05 MW canopy and rooftop solar array at Kingspan’s facility in DeLand, Florida, which was completed in 2023.

“As companies increasingly seek strategies to lower emissions and strengthen supply chain sustainability, this project shows how clean, reliable, and affordable solar energy -- delivered through a long-term power purchase agreement -- can help achieve those goals,” said Robb Jetty, CEO of REC Solar.

Dynamic Energy developed and served as the engineering, procurement and construction (EPC) firm for the project. Kingspan also has a 1.36 MW rooftop solar array at its Winchester, Virginia facility which was developed and built by Dynamic Energy and completed in 2024.

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