Power Assets Holdings Limited (Chinese: 電能實業有限公司), formerly Hongkong Electric Holdings Limited (Chinese: 香港電燈集團有限公司), is a vertically integrated electric utility company. It is the majority shareholder in the Hongkong Electric Company, having reduced its holding in the company through a series of share sales, the most recent being in June 2015.^[1]

The company owns significant holdings in a number of energy providers and networks around the world, in partnership with its parent company Cheung Kong Infrastructure Holdings, which holds a 38.87% stake in the business.^[2]

Power Assets Holdings has shareholdings in the following businesses:^[3][4]

• The Hongkong Electric Company (33.37%)^[5] - one of the two suppliers of electricity in the Hong Kong electricity market.
• Associated Technical Services Limited
• SA Power Networks, Australia - acquired in 2000
• Powercor Australia, - acquired in 2000
• CitiPower, Australia - acquired in 2002 and jointly owned by HEC's parent Cheung Kong International
• Ratchaburi Power Company Limited, Thailand - 25% stake with Ratchaburi Power Company
• Northern Gas Networks, UK - 41.29% (19.9% stake acquired in 2005)
• Wellington Electricity Distribution Network - 50% acquired in 2007
• UK Power Networks - 40%
• Wales & West Utilities - 30%
• Canadian Power Holdings Inc. - 50%
• Husky Midstream Limited Partnership - 48.75%
• Dutch Enviro Energy - 27%
• Energy Developments Limited - 20%
• Jinwan Power Plant - 45%
• Dali and Laoting Wind Farms - 45%