35% of U.S. Manufacturing Potentially Fuels Itself with Rooftop Solar Energy

Rooftop solar panels have the potential to meet the annual electricity needs of approximately 35% of US manufacturing sectors, yet they currently contribute only 2.2% to the electricity grid. A study by Northeastern University, published in Environmental Research: Sustainability and Infrastructure, investigates the viability of on-site solar installations across American manufacturing industries. Analyzing data from the U.S. Department of Energy Manufacturing Energy Consumption Survey, the study reveals that rooftop solar could fully satisfy the electricity demands of 5-35% of manufacturers, with furniture, textile, and apparel sectors poised to benefit the most. Despite only capturing less than 0.1% of the energy needs from renewable sources, researchers emphasize the importance of transitioning to low-carbon energy to meet decarbonization goals. The industrial sector is a major contributor to energy consumption and greenhouse gas emissions, making it a key target for decarbonization. With falling solar prices, improved efficiencies, and the suitability of flat rooftops, seasonal assessments suggest that nearly 40% of U.S. manufacturing locations could meet their needs during spring and summer. Researchers advocate for enhanced policy support to optimize the benefits of rooftop solar, aiding industries in achieving renewable energy and emissions reduction goals.

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