Warren Buffett’s MidAmerican Energy is buying Nevada-based NV energy for $10 billion, according to Benziga.
NV provides 1.3 million residents with electric and natural gas customers in Nevada.
NV’s stock is up more than 23% after hours.
MidAmerican’s been extremely active in 2013. Last month the company announced it would spend $1.9 billion on wind farms in Iowa.
Earlier in the year, the company purchased the largest solar farm in the world.