GoodLeap, formerly Loanpal, is a U.S.-based financing company headquartered in Roseville, CA that provides financing options for residential solar energy and other sustainable home improvements. It has facilitated over $30 billion in loans to more than 1 million homeowners across 50 states as of 2025.

Grupo Opaia SA is a holding company operating under Angolan law based in Luanda, Angola, running projects in civil construction services, solar energy technology, drinking water systems, hotel service and tourism, agriculture, finance and more. It was founded by the Angolan Agostinho Kapaia, from Huambo, in 2002.

Husk Power, founded in 2008, is a company based in Fort Collins, Colorado, US, that provides clean energy to unserved and underserved (off-grid or weak grid) communities in sub-Saharan Africa and South Asia. It has three customers: 1) communities that access power through solar mini-grids/micro-grids, 2) businesses…

Targray Technology International Inc., commonly referred to as Targray, is a Canadian multinational materials distributor headquartered in Kirkland, Quebec that provides commodities and distribution of pulses, biofuel, cotton, carbon trading, lithium-ion battery, energy storage, and solar photovoltaics. Targray was…

Founded in 1981 Isofoton was a Spanish leading manufacturer of photovoltaic cells and modules that had its HQ in Málaga and a distribution network present in over 60 countries. It started as a spin-off of the pioneering research programme of the Institute of Solar Energy of the Technical University of Madrid (IES-UPM)…

Distributed generation, also distributed energy, on-site generation (OSG), or district/decentralized energy, is electrical generation and storage performed by a variety of small, grid-connected or distribution system-connected devices referred to as distributed energy resources (DER). Conventional power stations, such…

A power purchase agreement (PPA), or electricity power agreement, is a long-term contract between an electricity generator and a customer, usually a utility, government or company. PPAs may last anywhere between 5 and 20 years, during which time the power purchaser buys energy at a pre-negotiated price.

Net metering is a policy by many states in the United States designed to help the adoption of renewable energy. Net metering was pioneered in the United States as a way to allow solar and wind to provide electricity whenever available and allow use of that electricity whenever it was needed, beginning with utilities…

Ice storage air conditioning is a form of thermal energy storage in which cooling capacity is stored by freezing water and recovered later by melting the ice. In building applications, the storage can be charged when cooling demand or electricity prices are lower and discharged during periods of higher cooling demand,…

The Energiewende (German for 'energy turnaround') (pronounced [ʔenɐˈɡiːˌvɛndə] ) is the ongoing energy transition by Germany. The new system intends to rely heavily on renewable energy (particularly wind, photovoltaics, and hydroelectricity), energy efficiency, and energy demand management.