LongPath Technologies, a leading provider of patented continuous emissions detection and quantification technology, has raised $22 million in Series A funding.

The round was led by White Deer, a private equity firm with a proven track record of investing in companies that decarbonize the energy sector. White Deer was joined in its investment by ProFrac, a growth-oriented, vertically integrated, and innovation-driven energy services company, and Williams, a premier provider of large-scale natural gas infrastructure. The round also included Buff Gold Ventures, a firm focused on deep tech investments coming out of the University of Colorado. Existing investors in LongPath also participated in the round.