On their own, the devices draw negligible energy, but add in the amount of electricity it takes to move data wirelessly across networks worldwide, and the figure is staggering.

Most of the world's electricity-producing power plants -- whether powered by coal, natural gas, or nuclear fission -- make electricity by generating steam that turns a turbine.

The dry season in 2015 is forecast to extend to longer than usual annual duration, with high rising temperatures, causing widespread water shortages. Meanwhile, the demands for electricity increase, entailing the worrying concern in energy supply.

In the performance of many drastic measures in the communication on power savings, during the first 6 months of 2015 the country saved 1.56 billion kWh of electricity, accounting for 63.7% of the annual plan and 2.32% of six-month commercial electricity yield.

In accordance with the communication plan 2015 and the plan "Pink Holidays 2015" on promoting the Safe- Economical- Efficient use of electricity, targeting at the people, pupils and students who live and study in the area of Ho Chi Minh City, HCM city Power Corporation held a series of communication programs for primary school students at the Office of Public Communication at No. 1 Phan Dang Luu - Binh Thanh District, on saving energy.

The European Investment Bank (EIB) is funding €325 million (£227.5m) to improve the electricity grid in Spain.

Mitsubishi Chemical Holdings Corporation recently introduced a material that enables the walls of buildings (and other structures) to generate electricity.

To lessen the burden of difficulties in securing the supply of electricity, EVN HANOI respectfully calls for sympathy of customers in their economical and efficient use of electricity, by turning off unused electrical appliances, regulating the temperature from 25-28°C in air-con use, and restricting the simultanous use of electrical appliances during peak hours.

Amid an extraordinarily hot weather, the demand for electricity of the Hanoi people soared, making the electrical system overloaded. Hanoi Department of Industry and Trade has requested the districts to encourage the people to save power .

By May 2015, the province saves 8,338,154 kWh, equivalent to 2.81% of the accumulated commercial electricity, reaching 47.55% of the 2015 annual plan assigned by the Corporation, (targeting at 17.535 million kWh).

Race Bank, which will be located off the Norfolk coast, will have a capacity of 580MW – enough electricity to power 400,000 UK homes.

To ensure sufficient supply of electricity for daily life and production, the Electricity of Huong Khe, Ha Tinh has implemented several programs to practice power savings in a positive way. Electricity of Huong Khe organized communication campaign in the villages and residential areas bringing with it the 4 rules of righteousness: "Right moment - Right place - Right way and Right necessity", by hanging banners of messages of power saving in the offices and densely populated areas.

Electricity demand hit 14.96 billion kilowatt-hours in May as households and businesses turned up air-conditioning to beat a heat wave that has enveloped the country since early last month.

A Viet Nam Business Forum (VBF)'s report revealed that FDI companies have not been worrying about increasing power prices as much as about unstable supply. The Government can increase the electricity tariff of enterprises that consume more power while ensuring adequate supply.

Deputy Prime Minister Hoang Trung Hai agreed to implement the project to supply electricity to 22,617 ethnic households in the northern mountainous Son La Province.

The first utility-scale solar power plant in East Africa is now open in Rwanda. Built in the shape of the African continent, the solar farm is expected to generate enough power to supply 15,000 homes and boost Rwanda’s electricity generation capacity by 6%.

The technology is called "combined heat and power" because after the electricity is generated by the system, the waste heat is used in the building. Aquatic centres are ideal locations to install these systems as pools and hot tubs require heating year-round.

On 15/07/2014, Bac Kan Provincial People's Committee issued Decision No. 1165/QD-UBND to approve the program of Economical and Efficient Use of Energy for the period 2014 - 2015. The goal in 2015 is to save 5-8% of total energy consumption. For agencies and units using state budget, and the public service units, they are expected to make a saving of 5% of the annual electricity consumption, at least 2-3% of energy in industrial production, 3% of electricity in domestic use.

According to the latest report titled "Economic Outlook" issued by the Institute of Chartered Accountants in England and Wales (ICAEW), Vietnam is a country with the largest increase in the proportion of electricity generated from renewable energy in Southeast Asia.

On June 11 at Vinh Tan Ward, Vinh City Electricity Authority held a ceremony to launch the movement "Power Saving Family 2015".