companies “have committed to set climate targets across their operations and value chains aligned with limiting global temperature rise to 1.5°C above pre-industrial levels and reaching net-zero emissions by no later than 2050”. Corporate power purchase agreements can kickstart renewable energy projects, but the energy policies of some countries do not allow or discourage them. By type of energy Energy sources are measured in different physical units: liquid fuels often in volume or weight, natural gas by volume of gas such as cubic metres, solid fuel such as coal by weight such as tonne. To compare energy from different sources, energy based units are more convenient to use, such as joule, kilowatt-hours, British thermal units or tonne of oil equivalent. Nuclear energy Renewable energy By country Energy policies vary by country, see tables below. Examples China India Ecuador European Union The European Investment Bank took part in energy financing in Europe in 2022, a part of their REPowerEU package being to assist up to €115 billion in energy investment through 2027, in addition to regular lending operation in the sector. Russia United Kingdom United States See also Energy balance Energy industry Energy law Energy security Environmental policy Oil Shockwave Renewable energy policy Sustainable energy World Forum on Energy Regulation (WFER) References External links "Energy Policies of (Country x)" series, International Energy Agency Report of President Bush's National Energy Policy Group, May 2001 UN-Energy - Global energy policy co-ordination Energy & Environmental Security Initiative (EESI) Renewable Energy Policy Network (REN21) Information on energy institutions, policies and local energy companies by country, Enerdata Publications Energy economics Environmental social science Power control Climate change policy Policy Public policy