Renewable energy (also called green energy) is energy made from renewable natural resources that are replenished on a human timescale. The most widely used renewable energy types are solar energy, wind power, bioenergy/biomass, and hydropower.

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The developing nations of Africa are popular locations for the application of renewable energy technology. Currently, many nations already have small-scale solar, wind, and geothermal devices in operation providing energy to urban and rural populations.

Lodestone Energy Limited is a New Zealand electricity generation and retail company that specialises in the construction and operation of photovoltaic power stations. As of August 2026, it operates five solar farms, with one more under construction.

Vietnam utilizes four main sources of renewable energy: hydroelectricity, wind power, solar power and biomass. At the end of 2018, hydropower was the largest source of renewable energy, contributing about 40% to the total national electricity capacity.

Renewable energy in Germany comes mainly from wind power, solar power and biomass and is a central component of the country's Energiewende. In 2025, renewable sources accounted for 23.8% of Germany's gross final energy consumption.

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Altenergy Power System better known as APsystems (formerly APS) is a global technology company that operates in the renewable energy space. APsystems is a provider of multi-platform module-level power electronics (MLPE) solutions for the solar photovoltaic (PV) industry.

Renewable energy in Australia is based mainly on biomass, solar, wind, and hydro generation technologies. Over a third of all electricity generated in Australia is now from renewable sources, a proportion that is increasing in line with global trends .

This is a list of notable photovoltaics (PV) companies. Grid-connected solar photovoltaics (PV) is the fastest growing energy technology in the world, growing from a cumulative installed capacity of 7.7 GW in 2007, to 320 GW in 2016.