page_title: Grid parity
section_title: Solar power
hierarchical_section_title: Grid parity / Solar power
caption_attribution_description: 日本語: 欧州における太陽光発電の発電コスト予測 (2010 - 2020年) 住宅用からMWクラスの大規模設備まで、４種の規模を想定 欧州各国の日照量の違い、運用費の違いも考慮 結晶シリコンと薄膜太陽電池の両方を含む 住宅用については付加価値税(VAT)も含む English: European PV LCOE range projection 2010-2020 Includes from residential to MW-scale size segments Includes crystalline silicon and thin film technologies Reflects differences in national irradiation, operation costs Includes VAT for residential segment
context_page_description: Grid parity occurs when an alternative energy source can generate power at a levelized cost of electricity that is less than or equal to the price of power from the electricity grid. The term is most commonly used when discussing renewable energy sources, notably solar power and wind power. Grid parity depends upon whether you are calculating from the point of view of a utility or of a retail consumer.
  Reaching grid parity is considered to be the point at which an energy source becomes a contender for widespread development without subsidies or government support. It is widely believed that a wholesale shift in generation to these forms of energy will take place when they reach grid parity.
  Germany was one of the first countries to reach parity for solar PV in 2011 and 2012 for utility-scale solar and rooftop solar PV, respectively. By January 2014, grid parity for solar PV systems had already been reached in at least nineteen countries.
  Wind power reached grid parity in some places in Europe in the mid 2000s, and has continued to reduce in price.
caption: Projection of levelized cost of electricity for solar PV in Europe[4]
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