China's power consumption slowed sharply in July, adding to signs the world's second-largest economy may be losing steam.

The sixth China-built hydropower plant, located in the Koh Kong province of southwestern Cambodia, has begun producing electricity after more than four-year construction, the China National Heavy Machinery Corporation (CHMC) said in a statement on Thursday.

China's central energy authority unveiled its photovoltaic (PV) development targets for 2014 on Tuesday, vowing to install 13 gigawatts of new PV power capacity this year.

China's top energy regulator on Thursday announced 164 industry standards, about half of which are related to nuclear power, a signal that the country will support its nuclear sector with new approvals for plants.

China's National Energy Administration and the US Department of Energy inked an agreement on Thursday that will see the two sides work together to bolster China's strategic crude reserves.

After 10 years of construction, hydropower station started operating on July 9, 2014, in Yibin city, Sichuan province.

Energy demand growth in China fell below the 10-year average amid an economic transformation, British oil giant BP Plc said on Tuesday.

China should vigorously develop nuclear energy and restart the plan to build nuclear power stations inland to reduce the nation's high energy consumption per unit of gross domestic product and clear smog and haze, said a report released on Thursday.