Rooftop solar power
A rooftop solar power system, or rooftop PV system, is a photovoltaic (PV) system that has its electricity-generating solar panels mounted on the rooftop of a residential or commercial building or structure. The various components of such a system include photovoltaic modules, mounting systems, cables, solar inverters…
List of S&P 600 companies
The S&P SmallCap 600 (S&P 600) stock market index, maintained by S&P Dow Jones Indices, comprises the common stocks of 600 small-cap, mostly American, companies. Although called the "S&P 600", the index contains 603 stocks because it includes two share classes of stock from three of its component companies (Central…
Economics of nuclear power
The economics of nuclear power concerns the costs, financial risks, and economic factors involved in generating electricity from nuclear reactors, including the capital required to build plants, the operating and fuel costs over their lifetime, and the expenses of decommissioning and managing radioactive waste. It…
Criticism of Google
Criticism of Google includes concern for tax avoidance, misuse and manipulation of search results, its use of others' intellectual property, concerns that its compilation of data may violate people's privacy and collaboration with the U.S. military on Google Earth to spy on users, censorship of search results and…
First Solar
First Solar, Inc. is an American publicly traded manufacturer of solar panels.
Solar power in the United States
Solar power includes solar farms as well as local distributed generation, mostly on rooftops and increasingly from community solar arrays. In 2025, utility-scale solar power generated 295.7 terawatt-hours (TWh) in the United States.
Solar power in Australia
Solar power is a major contributor to electricity supply in Australia. As of December 2025, Australia's over 4.29 million solar PV installations had a combined capacity of 45.1 GW photovoltaic (PV) solar power.
Solar power in India
Solar power is an important source of electricity in India. Since the mid-2010s, India has increased its solar power significantly with the help of various government initiatives.
Solar water heating
Solar water heating (SWH) is heating water by sunlight, using a solar thermal collector. A variety of configurations are available at varying cost to provide solutions in different climates and latitudes.
Solar panel
A solar panel is a device that converts sunlight into electricity by using multiple solar modules that consist of photovoltaic (PV) cells. PV cells are made of materials that produce excited electrons when exposed to light.