In 2005 the aim was for 18% of Scotland's electricity production to be generated by renewable sources by 2010, rising to 40% by 2020.

Three-quarters said they would be willing to pay more for electricity generated by renewable sources like solar or wind energy.

Seismometer or seismograph is an instrument that measures motions of the ground, including those generated by earthquakes, nuclear explosions, and other sources.

Noise is also generated by external sources, most importantly the natural thermal radiation of the background surrounding the target of interest.

ROS are also generated by exogenous sources such as ionizing radiation.

Furthermore, the network operators must feed in this electricity into the grid preferentially to the electricity generated by conventional sources (nuclear power, coal and gas).

Meanwhile, he promises that by 2020 one-third of California's power will be generated by renewable sources like wind and solar power.

SDG&E has stated that the line is intended to carry renewable energy generated by the sun, wind and geothermal sources.

Although nobody expects wind power to replace nuclear plants in the foreseeable future, advocates say that every kilowatt generated by alternative sources is a help.

At the time, 67% of waste was generated by non-residential sources, and residents produced 33%.