October 27, 2020 Read More →

Japan’s net zero pledge will require retiring 34GW of coal capacity by 2040


Japan will need to more than quadruple the pace at which it shuts down coal plants and rapidly ramp up renewable energy capacity over the next decade to meet its new climate pledge to zero out emissions by 2050.

New Prime Minister Yoshihide Suga on Monday confirmed that the world’s fifth largest emitter and third biggest economy will become the latest country to set a goal in line with the Paris Agreement to limit global warming. It comes after China announced it would go carbon neutral by 2060 and European Union ministers agreed to a binding 2050 climate neutrality goal. Currently six countries around the world have set the mid-century in law with several more to follow, according to the Energy and Climate Intelligence Unit.

Currently Japan’s 2030 climate policy published earlier this year is out of kilter with the new target. The NDC isn’t ambitious enough to deliver on the mid-century goal, and the government has said it’ll be updated.

Today, coal accounts for more than a third of Japan’s power needs – a share that rose after the Fukushima nuclear disaster in 2011 that led the government to mothball its atomic fleet. Despite a government plan announced earlier this year to close 100 inefficient coal-fired power plants, Japan is still targeting coal to provide about a quarter of the nation’s power needs by 2030 under its current plans.

To fall in line with the Paris Agreement, Japan’s use of coal would need to fall to just 4% of the energy mix by 2030, the IEA says. In that scenario, coal power capacity would drop from 51 gigawatts in 2019 to 17 gigawatts by 2040.

In that same Sustainable Development Scenario, renewable sources such as solar, wind and hydropower would need to account for a third of energy by 2030. By 2040, renewables would be supplying almost half of all power.

[Jess Shankleman and Aaron Clark]

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