Electric Transmission America

Electric Transmission America is a joint venture between American Electric Power and a Berkshire Hathaway Energy Company subsidiary to build and own electric transmission assets. The joint venture is a 50-50 partnership to identify and invest in high-voltage transmission projects (345-kilovolt or higher) located in North America outside of the Electric Reliability Council of Texas (ERCOT). The two companies have an existing joint venture agreement to build transmission in ERCOT.

About Berkshire Hathaway Energy

Berkshire Hathaway Energy owns a portfolio of locally managed businesses that share a vision for the energy future, make sustainable investments to achieve that vision, and had $70 billion of assets as of Dec. 31, 2013. These businesses deliver safe, reliable service each day to more than 8.4 million customers and end-users around the world and consistently rank high among energy companies in customer satisfaction. Berkshire Hathaway Energy is headquartered in Des Moines, Iowa, U.S.A.

About American Electric Power

AEP, headquartered in Columbus, Ohio, is one of the largest electric utilities in the United States, delivering electricity to more than 5.3 million customers in 11 states. AEP ranks among the nation’s largest generators of electricity, owning nearly 38,000 megawatts of generating capacity in the U.S. AEP also owns the nation’s largest electricity transmission system, an over 40,000-mile network that includes more 765-kilovolt extra-high voltage transmission lines than all other U.S. transmission systems combined. AEP’s transmission system directly or indirectly serves about 10 percent of the electricity demand in the Eastern Interconnection, the interconnected transmission system that covers 38 eastern and central U.S. states and eastern Canada, and approximately 11 percent of the electricity demand in ERCOT, the transmission system that covers much of Texas.