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Japan Targets 40-50% Renewable Energy by 2040 Amid Energy Security Focus

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Japan aims for renewable energy to supply 40-50% of its electricity by fiscal year 2040, alongside 20% from nuclear power, according to a draft revision of its basic energy policy unveiled on Tuesday. This marks a significant clean energy push while also addressing energy security concerns amid rising power demand and geopolitical instability.

Renewable Energy Targets and Current Context

The proposed targets aim to nearly double renewables’ share from 22.9% in 2023 and exceed the existing 2030 goal of 36-38%. Thermal power generation, particularly from inefficient coal-fired plants, will decline to 30-40% of the energy mix, down from 68.6% in 2023. However, the draft lacks specific breakdowns for coal, gas, and oil.

Critics have raised concerns about the plan’s shortcomings.

  • Mika Ohbayashi, Director of the Renewable Energy Institute, criticized the low target for wind power (only 4-8%) compared to the 20% target for nuclear power, arguing Japan risks falling behind global wind energy developments.
  • Advocates also highlighted the absence of a clear coal phase-out roadmap.

Focus on Energy Security and LNG

While the policy prioritizes decarbonization, it also emphasizes energy security in light of geopolitical tensions like the Russia-Ukraine war. The draft underscores liquefied natural gas (LNG) as a transitional energy source, recommending government and private sector collaboration to secure long-term LNG contracts to mitigate price volatility and supply risks.

Nuclear Power Resurgence

The plan reinforces nuclear power’s role, maintaining a 20-22% target for 2040, consistent with 2030 goals. This signals a strategic shift, removing the previous aim of “reducing reliance on nuclear power as much as possible.” Nuclear energy’s resurgence follows years of challenges post-2011 Fukushima disaster; it contributed only 8.5% of Japan’s power supply in 2023.

Japan’s strategy now includes constructing next-generation reactors at sites where aging reactors are set to be decommissioned. Analysts believe this change reflects the government’s push for affordable and stable energy to meet growing 24/7 power demands, particularly from semiconductor factories and data centers.

“The government has finally realized that nuclear power can provide stable energy for data centers, which require uninterrupted 24/7 electricity,” said Naomi Oshita, a power market expert at Wood Mackenzie.

Demand Growth and Greenhouse Gas Targets

The forecasts assume a 12-22% rise in electricity demand by 2040, driven by industrial sectors like semiconductor manufacturing. While hydrogen and ammonia were previously targeted for 1% of the energy mix by 2030, the new draft omits specific goals for these fuels.

Japan’s updated energy plan aligns with its broader climate targets. A joint strategy from the industry and environment ministries calls for a 60% cut in greenhouse gas emissions by 2035 and a 73% cut by 2040, aiming for net-zero emissions by 2050. The finalized strategy will be submitted to the United Nations in February.

Outlook

The draft policy reflects Japan’s realistic approach to balancing renewable energy growth, nuclear power revival, and energy security. While some critics argue the plan falls short in wind power and coal reduction, analysts view the policy as a step to attract investments in renewables, storage batteries, and LNG as a transition fuel.

The final energy plan is expected to be approved by the cabinet early next year.

 

Dominion Energy Explores Small Nuclear Reactors Following Amazon Agreement

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Dominion Energy is engaging in discussions with various technology companies about the development of small modular nuclear reactors, following a recent agreement with Amazon aimed at advancing this next-generation technology.

During the company’s third-quarter earnings call on Friday, Dominion CEO Robert Blue expressed optimism about the collaboration, stating, “It’s very encouraging to see large power users, including technology companies, express a willingness to invest, partner and collaborate to bring this exciting base load carbon-free technology into fruition.”

Dominion and Amazon have established a memorandum of understanding to investigate the feasibility of developing a small modular reactor at the utility’s North Anna nuclear station in Louisa County, Virginia. This reactor is expected to generate 300 megawatts of power, contributing significantly to the state’s energy supply.

Virginia is recognized as one of the most supportive states for nuclear energy, enjoying robust bipartisan backing for initiatives focused on next-generation nuclear technologies. Blue noted that the utility’s reputation as a reliable nuclear operator makes it an attractive partner for large customers interested in collaborating on these innovations.

In addition to Amazon, Dominion is in talks with other tech firms, reflecting a growing trend among technology companies to invest in nuclear power. These companies are seeking carbon-free, dependable electricity to meet the rising energy demands of their AI-driven data centers. Notably, Dominion serves the largest data center market in the world, located in northern Virginia.

Earlier this year, Amazon made headlines by acquiring a data center campus from Talen Energy, which will be powered by the Susquehanna nuclear plant in Pennsylvania. Additionally, Microsoft has secured a power purchase agreement from Three Mile Island, as Constellation Energy plans to restart the plant by 2028. In a similar vein, Alphabet’s Google recently agreed to purchase power from Kairos Power, a startup focused on small modular reactor development.

Small modular reactors are touted for their potential to lower capital costs and expedite the construction of nuclear facilities. Their compact design allows for easier site selection, and they promise a streamlined manufacturing process. However, the technology has faced challenges in reaching commercial viability, with no operational small modular reactor currently in the United States.