Arroyo Investors, a private equity fund manager, completed the acquisition of Mesa Natural Gas Solutions, a provider of efficient natural gas generators, from BP Energy Partners, a private equity fund. Financial terms were not disclosed. "The sale concludes a successful partnership between BPEP and Mesa in organically building out a leading distributed power business that has enabled the oil and gas industry to reduce emissions and flaring through electrification," Alex Szewczyk, BP Energy Partners Co-Founder and Managing Partner.