China's electricity consumption,a key barometer of economic activity,saw steady expansion in June,official data showed on Monday.

Power use rose 5.4 percent year on year in June to 867 billion kilowatt-hours,according to the National Energy Administration(NEA).

In June,power consumed by the primary and secondary industries rose 4.9 percent and 3.2 percent year on year to 13.3 billion kilowatt-hours and 548.8 billion kilowatt-hours,respectively,and power consumed by the tertiary sector increased 9 percent year on year to 175.8 billion kilowatt-hours.

The electricity consumption of the country's residents last month totaled 129.1 billion kilowatt-hours--a year-on-year increase of 10.8 percent.

From January to June,China's total power use climbed 3.7 percent year on year to over 4.84 trillion kilowatt-hours.

In recent days,many regions across the country have been experiencing high temperatures.As a result,China's electricity consumption reached a historic high on July 16,with the national peak load hitting 1.506 billion kilowatts,the first time it has ever exceeded 1.5 billion kilowatts,the NEA data showed.