Renewable energy

A water wheel is a machine for converting the energy of free-flowing or falling water into useful forms of power, often in a watermill.

The Rance Tidal Power Station is a tidal power station located on the estuary of the Rance River in Brittany, France.

SeaGen is the world's first large scale commercial tidal stream generator.

Biogas typically refers to a mixture of different gases produced by the breakdown of organic matter in the absence of oxygen.

Solar thermal energy (STE) is a form of energy and a technology for harnessing solar energy to generate thermal energy or electrical energy for use in industry, and in the residential and commercial sectors.

A gristmill (also: grist mill, corn mill or flour mill) grinds grain into flour.

In fluid dynamics, wind waves, or wind-generated waves, are surface waves that occur on the free surface of oceans, seas, lakes, rivers, and canals or even on small puddles and ponds.

Sihwa Lake Tidal Power Station is the world's largest tidal power installation, with a total power output capacity of 254 MW.

A geothermal heat pump or ground source heat pump (GSHP) is a central heating and/or cooling system that transfers heat to or from the ground.

A feed-in tariff (FIT, FiT, standard offer contract, advanced renewable tariff, or renewable energy payments) is a policy mechanism designed to accelerate investment in renewable energy technologies.

Wind power is the use of air flow through wind turbines to mechanically power generators for electricity.

Copper indium gallium (di)selenide (CIGS) is a I-III-VI2 semiconductor material composed of copper, indium, gallium, and selenium.

Cogeneration or combined heat and power (CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time.

The Annapolis Royal Generating Station is a 20 MW tidal power station located on the Annapolis River immediately upstream from the town of Annapolis Royal, Nova Scotia, Canada.

Solar water heating (SWH) is the conversion of sunlight into renewable energy for water heating using a solar thermal collector.

A 'renewable resource' is an organic natural resource which can replenish to overcome usage and consumption, either through biological reproduction or other naturally recurring processes in a finite amount of time.

A wave farm – or wave power farm or wave energy park – is a collection of machines in the same location and used for the generation of wave power electricity.

The RETScreen Clean Energy Management Software (usually shortened to RETScreen) is a free clean energy software package developed by the Government of Canada that includes RETScreen Version 4 and RETScreen Plus.

The United Nations Intergovernmental Panel on Climate Change (IPCC) published a special report on Renewable Energy Sources and Climate Change Mitigation (SRREN) on May 9, 2011.

There is a renewable energy debate about the constraints and opportunities associated with the use of renewable energy.

Thermal energy storage (TES) is achieved with greatly differing technologies that collectively accommodate a wide range of needs.

Renewable Energy Certificates (RECs), also known as Green tags, Renewable Energy Credits, Renewable Electricity Certificates, or Tradable Renewable Certificates (TRCs), are tradable, non-tangible energy commodities in the United States that represent proof that 1 megawatt-hour (MWh) of electricity was generated from an eligible renewable energy resource (renewable electricity) and was fed into the shared system of power lines which transport energy.

Renewable Energy Solutions for the Mediterranean (RES4MED) is a non-profit Association established in 2012.

Turkey has a national renewable energy action plan, that has been published in December 2014 by the Ministry of Energy and Natural Resources.

Pavegen Systems is a technology company that has developed paving slabs to convert energy from people's footsteps into electrical power.

Many industrialized nations have installed significant solar power capacity into their electrical grids to supplement or provide an alternative to conventional energy sources while an increasing number of less developed nations have turned to solar to reduce dependence on expensive imported fuels.

The Gulf Stream, together with its northern extension towards Europe, the North Atlantic Drift, is a powerful, warm, and swift Atlantic ocean current that originates in the Gulf of Mexico and stretches to the tip of Florida, and follows the eastern coastlines of the United States and Newfoundland before crossing the Atlantic Ocean.

Biomass Energy Centre is a biomass fired CHP power station located in the town of Chilton in County Durham.

Energy in Common (EIC) is a not-for-profit organization, which is the first to enable microloans specifically and only for renewable energy technologies.

The European Biomass Association (AEBIOM, from the official French name Association Européenne pour la Biomasse) is a European trade association opens to national biomass associations and bioenergy companies active in Europe.

The Agency for Renewable Resources (Fachagentur Nachwachsende Rohstoffe e.V. - FNR), was founded in 1993 as a government initiative intended to support research and development in the area of renewable resources.

Carbon neutrality, or having a net zero carbon footprint, refers to achieving net zero carbon emissions by balancing a measured amount of carbon released with an equivalent amount sequestered or offset, or buying enough carbon credits to make up the difference.

The Odisha Solar Conference (OSC) is a conference, the gathering of professionals to develop and promote solar power across Odisha.

India's First Solar Ferry is also the largest solar-powered boat in India.

The China Shipbuilding Industry Corporation (CSIC) is one of the two largest shipbuilding conglomerates in China, the other being the China State Shipbuilding Corporation (CSSC).

Dan William Reicher is an American lawyer who was U.

A carbon offset is a reduction in emissions of carbon dioxide or greenhouse gases made in order to compensate for or to offset an emission made elsewhere.

The Fourth Revolution: Energy, also known as Die 4.

Energy storage is the capture of energy produced at one time for use at a later time.

IRENA Renewable Energy Learning Partnership (IRELP) is an online educational resource developed by the International Renewable Energy Agency (IRENA) to raise awareness of and accessibility to readily available renewable energy education and training.