Sempra Energy, a North American energy infrastructure company based in San Diego, agreed to sell a stake in its Peruvian business to China Yangtze, the largest publicly listed power company in China, for $3.6bn. "We could not be more pleased about today's announcement. It directly supports our mission of building North America's premier energy infrastructure company. Proceeds from this transaction will be used to strengthen our balance sheet and meet the growing capital needs of our core utilities in California and Texas." Jeffrey W. Martin, chairman and CEO of Sempra Energy.