In the fiscal year 2020, the share of renewable energy in electricity generation in Japan reached approximately 19.8 percent. Figures increased compared to around ten percent in fiscal 2011.
Main energy sources for electricity generation in Japan
The nuclear disaster in 2011 affected the electricity market in Japan insofar that nuclear energy was replaced by fossil fuels. Natural gas and coal represented the energy sources with the largest share of the total electricity production in Japan. Since the archipelago lacks domestic reserves of fossil fuels, it is dependent on imports. This resulted in a declining self-sufficiency rate of primary energy, and an increase in electricity costs for homes shortly after the disaster. To be more independent of fossil fuel imports as well as to reduce greenhouse gas emissions and electric power costs, the country's current energy policy aims to replace fossil fuels with nuclear and renewable energy sources.
Renewable energy in Japan
In recent years, Japan was one of the largest hydroelectric power generating countries. Solar and hydroelectric power represented the renewable energy sources with the largest share in the electricity production. Since Japan is a mountainous country, there is a lack of space for other renewable power facilities such as wind farms. Wind power currently produces only a small amount of the electricity supply. Therefore, the Japanese government presently supports the expansion of offshore wind farms.
In 2020, the Japanese government announced its intention for the country to become entirely emission-free by 2050. Nevertheless, there has been international criticism that Japan is unlikely to expand its renewable energy share sufficiently to achieve this goal.
Share of renewable energy in electricity production in Japan from fiscal year 2011 to 2020
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Renewable Energy Institute. (November 30, 2021). Share of renewable energy in electricity production in Japan from fiscal year 2011 to 2020 [Graph]. In Statista. Retrieved July 01, 2022, from https://www.statista.com/statistics/745908/japan-share-of-renewables-in-electricity-production/
Renewable Energy Institute. "Share of renewable energy in electricity production in Japan from fiscal year 2011 to 2020." Chart. November 30, 2021. Statista. Accessed July 01, 2022. https://www.statista.com/statistics/745908/japan-share-of-renewables-in-electricity-production/
Renewable Energy Institute. (2021). Share of renewable energy in electricity production in Japan from fiscal year 2011 to 2020. Statista. Statista Inc.. Accessed: July 01, 2022. https://www.statista.com/statistics/745908/japan-share-of-renewables-in-electricity-production/
Renewable Energy Institute. "Share of Renewable Energy in Electricity Production in Japan from Fiscal Year 2011 to 2020." Statista, Statista Inc., 30 Nov 2021, https://www.statista.com/statistics/745908/japan-share-of-renewables-in-electricity-production/
Renewable Energy Institute, Share of renewable energy in electricity production in Japan from fiscal year 2011 to 2020 Statista, https://www.statista.com/statistics/745908/japan-share-of-renewables-in-electricity-production/ (last visited July 01, 2022)