Battery storage stands out in Japan clean power auction

Spanish Market: Battery materials, Electricity
02/05/24

Japan's first auction for long-term zero emissions power capacity has attracted strong bidding interest with a plan to install battery storage, as investment in the power storage system is gaining momentum in line with expanded use of fluctuating renewable energy sources.

Japan launched the clean power auction system from the April 2023-March 2024 fiscal year, aiming to spur investment in clean power sources by securing funding for fixed costs in advance to drive the country's decarbonisation by 2050.

The first auction, which was held in January, has awarded 1.1GW capacity for battery storage, or 27pc of total contract capacity for clean power sources, excluding gas-fired generation that has been temporally included in the auction system to help ensure stable power supplies, nationwide transmission system operator Organisation for Cross-regional Co-ordination of Transmission Operator (Occto), which manages the auction, said on 26 April.

Bidding capacity for battery storage totalled around 4.6GW, the highest volume among any other clean power sources. This means the contract ratio for storage batteries was 24pc compared with the 100pc ratio for ammonia co-firing, hydrogen co-firing, biomass dedicated and nuclear capacity, along with gas-fired capacity.

Awarded capacity for battery storage as well as pumping-up electric power facilities reached 1.67GW, exceeding the 1GW sought by the auction.

Japan has secured a total of 9.77GW of net zero capacity through the 2023-24 auction. Contract volumes covered 1.3GW of nuclear, 199MW biomass, 577MW of pumping-up electric power, 770MW for ammonia co-firing and 55.3MW hydrogen co-firing, as well as 1.1GW of battery storage. This also included 5.76GW of gas-fired projects.

All winners under the auction can generally receive the money for 20 years through Occto, which collect money from the country's power retailers, although they need to refund 90pc of other revenue. The first auction saw total funding of ¥233.6bn/yr ($1.51bn) for decarbonisation power sources and ¥176.6bn/yr for gas-fired capacity.

Japan's battery requirements are expected to continue rising, with uncertainty over future nuclear availability likely to spur Tokyo to accelerate the roll-out of renewable energy to meet a 46pc greenhouse gas emissions reduction by 2030-31 against 2013-14 levels — a target still far above the 23pc recorded in 2022-23. Japan will need to install 38-41GW of renewable capacity, nearly triple actual output of 14GW in 2019.

Japan is looking to establish lithium-ion battery production capacity of 150GWh/yr domestically and 600GWh/yr globally by 2030. The trade and industry ministry projects the latter target will require 380,000 t/yr of lithium, 310,000 t/yr of nickel, 600,000 t/yr of graphite, 60,000 t/yr of cobalt and 50,000 t/yr of manganese.

By Motoko Hasegawa

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03/10/24

Japan to phase out inefficient coal plants by 2030

London, 3 October (Argus) — Japan will target a phase-out of inefficient coal plants by 2030, as it continues its energy transition push, although the country is still yet to provide further details on any broader movement away from coal. "By 2030, the inefficient use of coal-fired power will be phased out," Japan's newly appointed environment minister Keiichiro Asao said at a press conference on Wednesday. Asao was appointed after Japan's new prime minister Shigeru Ishiba took office this week. Japan had earlier pledged to phase out "unabated" coal-fired plants by 2035 , or "in a timeline consistent with keeping a limit of a 1.5°C temperature rise within reach, in line with countries' net zero pathways". But inefficient, sub-critical coal plants — with below 40pc efficiency — make up only 22pc of Japan's total fleet, while 25pc is supercritical and 53pc is ultra-supercritical. The sub-critical plants probably produce less of Japan's coal-fired electricity, given the generation margins for them will fall below the majority of gas-fired generation in the merit order. This means Japan's overall coal-fired power generation is likely to be less impacted than the overall change to its coal fleet capacity. Japan has been considered a laggard in green energy transition among its G7 counterparts, but the country's coal demand could decline to some extent as a result of global divestment pressure. But coal is still key to the resource-poor country, as the government sees renewables and nuclear as insufficient to meet rising power demand driven by the growth of data centres needed to enable artificial intelligence. Japan's new government has recently announced that it will be restarting more of its nuclear reactors to help meet its power demand. Utility Shikoku Electric Power reactivated its sole nuclear reactor at Ikata on 29 September, after closing the unit for turnaround since 19 July. But the utility pushed back the restart of the 890MW Ikata No.3 nuclear reactor on Wednesday because of a technical issue during the process of resuming power generation. Japanese thermal coal imports rose by 10pc to 9.25mn t on the year in August, owing to increased deliveries from Australia. But this was 4pc lower than the past five-year August average of 9.6mn t. By Shreyashi Sanyal Send comments and request more information at feedback@argusmedia.com Copyright © 2024. Argus Media group . All rights reserved.

Mexico aims for 45pc renewable power by 2030

02/10/24

Mexico aims for 45pc renewable power by 2030

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Mexico's Sheinbaum to present energy transition plan

01/10/24

Mexico's Sheinbaum to present energy transition plan

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Groups challenge Montana coal mine expansion

01/10/24

Groups challenge Montana coal mine expansion

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Clean fuel credit not on Treasury priority list

01/10/24

Clean fuel credit not on Treasury priority list

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