China's total installed power generation capacity reached 3.35 billion kilowatts by the end of December, marking a 14.6 percent increase from a year ago, data from the National Energy Administration showed on Tuesday.

The installed capacity of solar power and wind power stood at 890 million kilowatts and 520 million kilowatts, up 45.2 percent and 18 percent year-on-year respectively, according to the data.

ALSO READ: Photovoltaic installed capacity forecast to grow 10% this year

Investment in power generation projects by major national enterprises in 2024 amounted to approximately 1.17 trillion yuan ($159.7 billion), up 12.1 percent, while investment in grid projects reached 608.3 billion yuan, an increase of 15.3 percent, it said.