Constellation PowerLabs

Constellation PowerLabs, a fully-owned subsidiary of Constellation—the nation's foremost competitive energy provider—has evolved remarkably since 1911. Initially supporting the power industry, it now serves as Constellation's principal calibration and testing laboratory. Operating from five strategically placed labs across the upper Midwest, Northeast, and South, our team of specialists in engineering, metrology, and nuclear power generation addresses the critical needs of nuclear facilities, power grids, and vital supply chains nationwide. As an authorized nuclear supplier, our Quality Program complies with stringent federal and industry standards, including regular audits by prominent nuclear committees. Our extensive equipment and A2LA accreditation enable us to deliver comprehensive calibration, testing, and analysis services that meet ISO 17025 standards, catering to quality-focused and tightly regulated sectors.