Potensi Energi Terbarukan

Renewable energy flows involve natural phenomena such as sunlight, wind, tides, plant growth, and geothermal heat, as the International Energy Agency explains:

Renewable energy is derived from natural processes that are replenished constantly. In its various forms, it derives directly from the sun, or from heat generated deep within the earth. Included in the definition is electricity and heat generated from solar, wind, ocean, hydropower, biomass, geothermal resources, and biofuels and hydrogen derived from renewable resources.

Wind power is growing at the rate of 30% annually, with a worldwide installed capacity of 282,482 megawatts (MW) at the end of 2012, and is widely used in Europe, Asia, and the United States. At the end of 2012 the photovoltaic (PV) capacity worldwide was 100,000 MW, and PV power stations are popular in Germany and Italy. Solar thermal power stations operate in the USA and Spain, and the largest of these is the 354 MW SEGS power plant in the Mojave Desert. The world's largest geothermal power installation is The Geysers in California, with a rated capacity of 750 MW. Brazil has one of the largest renewable energy programs in the world, involving production of ethanol fuel from sugar cane, and ethanol now provides 18% of the country's automotive fuel. Ethanol fuel is also widely available in the USA.

Sumber:

Wikipedia

Mengembangkan Energi Terbarukan di Indonesia

Renewable energy is a socially and politically defined category of energy sources. 

Renewable energy is generally defined as energy that comes from resources which are continually replenished on a human timescale such as sunlight, wind, rain, tides, waves and geothermal heat.

Indonesia masih tertinggal jauh dalam pemanfaatan energi terbarukan. Jika dibandingkan dengan Jepang dan China, energi terbarukan di Indonesia cenderung mandek. Apa alasannya?

Kendalanya adalah peran swasta yang masih minim. Padahal, peran swasta sangat dibutuhkan kontribusinya dalam mengembangkan energi terbarukan ini.

Sumber:


Wikipedia

Mari Kita Kembangkan Energi Terbarukan

About 16% of global final energy consumption comes from renewable resources, with 10%. of all energy from traditional biomass, mainly used for heating, and 3.4% from hydroelectricity. 

New renewables (small hydro, modern biomass, wind, solar, geothermal, and biofuels) accounted for another 3% and are growing rapidly.

The share of renewables in electricity generation is around 19%, with 16% of electricity coming from hydroelectricity and 3% from new renewables.

While many renewable energy projects are large-scale, renewable technologies are also suited to rural and remote areas, where energy is often crucial in human development.

Renewable energy sources, that derive their energy from the sun, either directly or indirectly, such as Hydro and wind, are expected to be capable of supplying humanity energy for almost another 1 billion years, at which point the predicted increase in heat from the sun is expected to make the surface of the Earth too hot for liquid water to exist.

Sumber:

Wikipedia