Offshore wind power in Japan will be able to replace more than half of the nation’s generation capacity forecast to retire by mid-century, according to an industry group promoting its developments.
The capacity of Japan’s offshore wind farms could total 90 gigawatts by 2050, equivalent to 60% of the fossil fuel and nuclear facilities expected to be closed by that time according to Shigehito Nakamura, a managing director of theJapan Wind Power Association.
50,820 Million metric tons of greenhouse emissions, most recent annual data -37.89% Today’s arctic ice area vs. historic average
$69.9B Renewable power investment worldwide in Q2 2020 35% Carbon-free net power in the U.S., most recent data
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Japan is seeking cleaner ways to feed its energy-hungry but resource-scarce economy, the world’s biggest after the U.S. and China. It’s reliance on fossil fuels faces resistance over climate change concerns, while its massive nuclear fleet is at risk of being abandoned due to widespread opposition to the technology following the 2011 Fukushima disaster.
The 90 gigawatts target for offshore wind is ambitious. Capacity in the U.K., the world’s top operator of the technology, is currently about 10.4 gigawatts.
Offshore wind, which the government is seeking to deploy in greater numbers in the coming years, could help replace facilities built during Japan’s economic boom from the 1960s to the 1980s. Those are now due for retirement at an average pace of 5 gigawatts a year over the next few decades, the association estimates.
Kimio Yamaka, a director at the Energy Strategy Institute in Tokyo, said offshore wind is a realistic option for new capacity as the government plans to reduce the share of coal power in the country’s generation to 26% by 2030, from 32% in the year to March 2019, while replacing or expanding nuclear plants is unlikely.
Japan’s target under its 2018 Basic Energy Plan, the most recent, is to raise offshore wind power generation to 2.2 terawatt hours by 2030, or 0.2% of total power generation. Offshore wind power capacity in Japan was just 21 megawatts at the end of 2019, all from experimental facilities.
The Ministry of Economy, Trade and Industry has started reviewing this target as it prepares to revise the plan next year. The ministry, known as METI, estimates that offshore wind projects can run at 95% utilization, a much higher level of reliability than onshore renewables.
The government plans to hold its first auction for fixed-foundation offshore wind projects in November. Winners will be announced around summer 2021 after the feasibility and economics of the proposed projects are assessed, according to Juntaro Shimizu, the director at the renewable energy division of METI.
Economy Minister Hiroshi Kajiyama, together with Land Minister Kazuyoshi Akaba, organized a working group this month with 34 companies and organizations, including the Japanese units ofEquinor New Energy andOrsted A/S, to help set the nation’s long-term offshore wind goal by the end of the year.
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