BEIJING -- China's electricity consumption, a key barometer of economic activity, saw steady expansion in November, official data showed on Wednesday.

Power use rose 6.2 percent year-on-year in November to 835.6 billion kilowatt-hours, according to the National Energy Administration.

Power consumed by the primary and secondary industries rose 7.9 percent and 4.4 percent year-on-year, respectively, while the tertiary sector saw a 10.3 percent increase.

Residents' electricity consumption totaled 105.7 billion kilowatt-hours, up 9.8 percent year-on-year.

During the first 11 months of the year, China's total power use climbed 5.2 percent to about 9.46 trillion kilowatt-hours.