BRIEF-Zhejiang Zheneng Electric Power posts power output data for Q2, H1

July 14 (Reuters) - Zhejiang Zheneng Electric Power Co Ltd * Says Q2 on-grid power generation at 24.2 billion kWh, H1 on-grid power generation at 44.0 billion kWh Source text in Chinese: http://bit.ly/29RIdqy Further company coverage: (Reporting by Hong Kong newsroom)