Ambit Energy Holdings, LLC is seen as one of Green Mountain Energy's biggest rivals. Ambit Energy Holdings, LLC was founded in 2006 in Plano, Texas. Like Green Mountain Energy, Ambit Energy Holdings, LLC also operates in the Energy & Utilities sector. Ambit Energy Holdings, LLC generates $1.3B more revenue than Green Mountain Energy.
Reliant is one of Green Mountain Energy's top competitors. Reliant was founded in 2000, and its headquarters is in Houston, Texas. Like Green Mountain Energy, Reliant also operates in the Energy & Utilities space. Reliant has 700 more employees than Green Mountain Energy.