
DECEMBER 2, 2024
NEWS
TOP
ANALYSIS
CAN JAPAN AVOID A POWER SHORTAGE THIS WINTER?
For winter 2024, the official outlook sees capacity reserve margins exceeding 3% across all regions, signaling stable supply. METI won’t call for energy conservation, but structural challenges underscore lingering vulnerabilities. In addition to volatility in LNG price and supply, sudden cold snaps and natural disasters have affected the power system almost every year this decade. To address these issues, METI is expanding LNG fuel purchasing support and directing power companies to enforce safety protocols and secure additional capacity.
OFFSHORE WIND AUCTIONS BET ON INCREMENTAL IMPROVEMENTS FOR BOOST
As Japan braces for the results of Round 3 offshore wind tenders, industry insiders are growing restless. Small tweaks to the auction process over recent years have sought to address pricing and timeline issues, but many fear these adjustments fall short of the urgency needed to meet the country’s ambitious 2030 sector target. Preparations for Round 4 are adding to the doubts. The timeline for selecting operators has not yet been announced. Uncertainties and supply chain frustrations are giving some developers pause about Japan’s potential.
ASIA PACIFIC REVIEW
This column gives a brief overview of last week’s top energy stories from across the region
EVENTS SCHEDULE
A selection of events to keep an eye on in 2024.
PUBLISHER
K. K. Yuri Group
Events
Editorial Team
Yuriy Humber (Editor-in-Chief)
John Varoli (Senior Editor, Americas)
Kyoko Fukuda (Japan)
Magdalena Osumi (Japan
Filippo Pedretti (Japan)
Tim Young (Japan)
Tetsuji Tomita (Japan)
Regular Contributors
Chisaki Watanabe (Japan)
Takehiro Masutomo (Japan)
Mayumi Watanabe (Japan)
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OFTEN-USED ACRONYMS
|
METI |
The Ministry of Economy, Trade and Industry |
mmbtu |
Million British Thermal Units | |
|
MoE |
Ministry of Environment |
mb/d |
Million barrels per day | |
|
ANRE |
Agency for Natural Resources and Energy |
mtoe |
Million Tons of Oil Equivalent | |
|
NEDO |
New Energy and Industrial Technology Development Organization |
kWh |
Kilowatt hours (electricity generation volume) | |
|
TEPCO |
Tokyo Electric Power Company |
FIT |
Feed-in Tariff | |
|
KEPCO |
Kansai Electric Power Company |
FIP |
Feed-in Premium | |
|
EPCO |
Electric Power Company |
SAF |
Sustainable Aviation Fuel | |
|
JCC |
Japan Crude Cocktail |
NPP |
Nuclear power plant | |
|
JKM |
Japan Korea Market, the Platt’s LNG benchmark |
JOGMEC |
Japan Organization for Metals and Energy Security | |
|
CCUS |
Carbon Capture, Utilization and Storage | |||
|
OCCTO |
Organization for Cross-regional Coordination of Transmission Operators | |||
|
NRA |
Nuclear Regulation Authority | |||
|
GX |
Green Transformation |

JERA launches commercial sales of power generated with hydrogen fuel
(Company statement, Nov 29)
TAKEAWAY: These are very early days for hydrogen-fired power generation, and there are many unknowns, including how much Toho studios is spending on this system. It’s likely that the publicity is worth more to JERA than margins, at least for now. The bigger test will come when power users try to pass on their improved sustainability as a cost to customers. The transport sector will be one to watch in this regard. However, another point of interest here is the combination of solar with hydrogen, which theoretically covers peak and base load, as well as seasonal variations. Should it prove commercially viable, this will be a large market opportunity.

Source: TM & © TOHO CO., LTD. via JERA
FEPC head calls for more nuclear power in next Basic Energy Plan
(Company statement, Nov 29)
TAKEAWAY: The opinions of the big power utility lobby and the big business lobby (Keidanren) have changed little in recent years. They are steadfast supporters of a continued reliance on nuclear energy. The question is how much influence they have on the new government. This has become much more difficult to answer with the changed political landscape. So far, indications are that there are more pro-nuclear lawmakers in parliament than anti. The ultimate litmus test, however, will be what happens to the Kashiwazaki Kariwa NPP.
Govt approves economic measures, resumes subsidies for electricity and gas bills
(Denki Shimbun, Nov 25)
Osaka Gas to build supply chain for e-methane
(Nikkei, Nov 30)
TAKEAWAY: Japan’s gas utilities have pushed e-methane as a decarbonization solution very strongly in the last year or so. One of the attractions for the companies is the ability to blend it into existing gas networks, retaining infrastructure that has taken decades to build up. The current Basic Energy Plan calls for e-methane to account for 1% of city gas by 2030, which is what Osaka Gas investment seems to address. The bigger question is what happens after the end of this decade. Is there an economic and technical pathway for e-methane to play more than a minor role?
JERA and Tokyo Metro ink virtual solar PPA
(Company statement, Nov 26)
Firms cooperate on solar panel reuse and recycling in Fukuoka Pref
(Nikkei, Nov 25)
Itochu signs MoU with Saudi firm to develop water and renewables projects
(New Energy Business News, Nov 26)
JR to test hydrogen-powered vehicles
(Company statement, Nov 26)
NYK Line seeks to develop world’s biggest ship recycling capacity
(Nikkei Asia, Nov 26)

KEPCO and RWE plan to build 1.68 GW offshore wind farm off Hokkaido coast
(Company statement, Nov 25)
TAKEAWAY: Offshore wind developers are pushing METI to start opening up the Hokkaido areas to auctions. The ministry’s reticence so far has been a lack of clarity on when an underwater sea cable would be built to bring this power from Hokkaido seas to the industrial areas of Kanto. However, the development of a semiconductor manufacturing cluster in Hokkaido is proving that there are willing electricity buyers closer to home, which may give officials confidence that some Hokkaido offshore projects can proceed sooner rather than later.
OCCTO will revise method to calculate penalties in capacity market
(OCCTO statement, Nov 25)
TAKEAWAY: Starting FY2024, pumped storage has been operated by the balancing group (BG) of power generation companies. TSOs can utilize pumped storage within a range of surplus capacity as notified by the BG. If the range of available capacity notified by the BG is small, the reserve margin decreases. Once the reserve margin falls below 5%, operations of pumped storage will switch to TSOs. For this winter, however, there is a provisional measure: the threshold for the switch in operations has been raised to 8%. It is possible that it’ll remain at 8% from now on.
TAKEAWAY: OCCTO has struggled to raise usage of the EPRX balancing market. This effort is about boosting the volume of renewable energy utilized as a balancing reserve, which would give TSOs more flexibility. However, improving the confidence of TSOs is key. The involvement of Kansai Electric should be taken as a good signal for potential adoption in other parts of the country.
Toho Gas to join capacity market using VPP services
(Nikkei, Nov 29)
Osaka retailer to enter BESS sector, secures bank financing for merchant units
(Company statement, Nov 27)
TAKEAWAY: The most impressive part of this news is probably the financing details. These show that the retailer was able to secure long-term bank loans for close to half of the investment amount for BESS that, according to the statement, will be operating a full-merchant model. In other words, it will trade the electricity in the market and not rely on a long-term contract with an anchor buyer or a state subsidy. Banks have so far been hesitant to expose themselves to market risk in the power sector. After a decade of financing solar and wind projects on an FIT basis with predictable cash flows, it will take a while for lenders to adjust to the new risk levels. However, this deal indicates that there is some move in this direction. If this were to happen more widely, more BESS developers may consider options outside of the LTDA and similar subsidy schemes to aim for higher margins.
Power spot market offers are down amid declining supply and sustained demand
(Denki Shimbun, Nov 26)
JERA announces measures for winter electricity supply
(Company statement, Nov 27)
TAKEAWAY: The Strategic Bugger was set up in December 2023 by METI, with JERA handling three cargoes in the winter season. The govt already expressed plans to secure not only one cargo per month during the winter season, but also for each month of the year. How much this improves Japanese LNG buyers’ conference is yet to be seen, especially in the offpeak power demand seasons, but it does show the government’s willingness to support marginal LNG purchases.
Mayor visits TEPCO and Tohoku Electric regarding NPP restarts
(Nikkei, Nov 25)
TEPCO submits revised pre-use inspection application for NPP
(Company statement, Nov 28)
TAKEAWAY: TEPCO said it plans to load nuclear fuel into Kashiwazaki-Kariwa NPP Unit 6 in June 2025. December 2024 had previously been the target, but the restart date for Unit 6 remains undecided as Niigata Pref has not yet agreed to the resumption, which is also delaying the restart of Unit 7. Discussions between the company and the local govt is ongoing, but a restart does not seem around the corner. The national govt is working with local authorities to address evacuation concerns. There is ongoing public unease about nuclear plant safety in earthquake-prone regions like Niigata.
Yanmar and SMFL sign agreement for Japan’s largest virtual PPA with solar
(Company statement, Nov 27)
OCCTO awards 56 MW in latest solar power auction
(Government statement, Nov 26)
|
Company name |
Price (¥/ kWh) |
Capacity (kW) |
|
miyagi motoyoshi solar |
7.5 |
19,500 |
|
ECO Kamiken |
7.5 |
450 |
|
ECO Kamiken |
7.5 |
550 |
|
SPC under Renova |
7.97 |
299.7 |
|
Yachiyo Engineering |
7.97 |
600 |
|
Yachiyo Engineering |
7.97 |
500 |
|
Yachiyo Engineering |
7.97 |
400 |
|
Yachiyo Engineering |
7.97 |
300 |
|
Yachiyo Engineering |
7.97 |
300 |
|
YTS-Solar |
7.97 |
400 |
|
GPSS Agri-B |
7.99 |
1,995 |
|
Sustainable Solar 4 |
8 |
9,990 |
|
OTS |
8 |
1,500 |
|
OTS |
8 |
375 |
|
Sirius Solar Japan |
8.95 |
1,000 |
|
RJ Fain |
9 |
1,999 |
|
WAKO |
9.03 |
600 |
|
WAKO |
9.03 |
450 |
|
WAKO |
9.03 |
400 |
|
WAKO |
9.03 |
400 |
|
WAKO |
9.03 |
350 |
|
Solar grazing |
9.04 |
13,332 |
|
Toho Gas facility |
9.04 |
750 |

JX starts gas production at field in Papua New Guinea
(Company statement, Nov 27)
Chiyoda revises contract for Golden Pass LNG in Texas
(Company statement, Nov 25)
Tokyo Gas seeks ways to optimize real estate portfolio
(Bloomberg, Nov 28)
LNG stocks down 9.7% from previous week, down 4.6% YoY
(Government data, Nov 27)
October Oil/ Gas/ Coal trade statistics
(Government data, Nov 29)
|
Imports |
Volume |
YoY |
Value (Yen) |
YoY |
|
Crude oil |
11.9 million kiloliters |
1.5% |
¥871.5 billion |
-14.2% |
|
LNG |
5.3 million tons |
-2.2% |
¥482.6 billion |
-2.9% |
|
Thermal coal |
8.5 million tons |
-0.9% |
¥193.5 billion |
-21% |



BY TETSUJI TOMITA
Can Japan Avoid a Power Shortage This Winter?
This past summer, Japan faced soaring electricity demand due to record heat, straining the nation’s power grid. However, disruptions were averted through interregional electricity transfers and increased thermal plant output.
For winter 2024/25, METI expects a calmer situation. The official outlook by OCCTO, which was made last month, sees capacity reserve margins exceeding 3% across all regions, signaling stable supply. Consequently, METI will not call for energy conservation measures.
Still, structural challenges – aging thermal plants and risks of equipment failures – underscore lingering vulnerabilities in Japan’s power system. In addition to volatility in the price and supply of LNG, sudden cold snaps and natural disasters have affected the electricity system almost every year this decade. Only the occasional nuclear reactor restart in the past two years has avoided technical glitches and delays.
To address these issues, METI is expanding LNG fuel purchasing support and directing power companies to enforce strict safety protocols and secure additional capacity. This will build on the measures that worked well last winter, 2023/24, when electricity price and supply volatility remained moderate. The upcoming winter, however, promises a different weather pattern.
Reserve margin forecasts for FY2024 winter
(Unit: %)
|
Area |
At Maximum Demand |
At Minimum Reserve Margin | ||||||
|
Dec |
Jan |
Feb |
Mar |
Dec |
Jan |
Feb |
Mar | |
|
Hokkaido |
26.5 |
11.3 |
13.0 |
12.3 |
23.8 |
11.6 |
13.5 |
13.1 |
|
Tohoku |
26.5 |
11.3 |
13.0 |
23.8 |
23.8 |
11.6 |
13.5 |
22.0 |
|
Tokyo |
26.5 |
11.3 |
13.0 |
23.8 |
23.8 |
11.6 |
13.5 |
22.0 |
|
Chubu |
15.5 |
11.3 |
13.0 |
23.8 |
15.5 |
11.6 |
13.5 |
23.0 |
|
Hokuriku |
15.5 |
11.3 |
13.0 |
23.8 |
15.5 |
11.6 |
13.5 |
23.0 |
|
Kansai |
15.5 |
11.3 |
13.0 |
23.8 |
15.5 |
11.6 |
13.5 |
23.0 |
|
Chugoku |
15.5 |
11.3 |
13.0 |
23.8 |
15.5 |
11.6 |
13.5 |
23.0 |
|
Shikoku |
18.1 |
17.1 |
30.5 |
26.3 |
16.3 |
17.2 |
30.2 |
26.3 |
|
Kyushu |
15.5 |
11.3 |
13.0 |
23.8 |
15.5 |
11.6 |
13.5 |
23.0 |
|
9 Areas |
20.2 |
11.5 |
13.5 |
23.5 |
19.2 |
11.8 |
14.1 |
22.3 |
|
Okinawa |
48.5 |
34.5 |
40.4 |
40.9 |
48.5 |
34.5 |
40.4 |
40.9 |
|
10 Areas |
20.4 |
11.7 |
13.7 |
23.6 |
19.4 |
12.0 |
14.3 |
22.5 |
Source: OCCTO
Ensuring stable supply
OCCTO conducts rigorous evaluations of supply-demand conditions ahead of high-demand periods: summer and winter peaks. Its October 2024 report assessed both the supply-demand situation during summer 2024 and the outlook for winter. The primary metric used is the reserve margin, which indicates the level of surplus capacity relative to peak demand. A reserve margin of at least 3% is considered the minimum for a stable power supply under extreme conditions, such as the coldest weather recorded in the past decade.
For this winter, OCCTO has factored in potential risks, including unplanned outages and fluctuations in renewable energy output. It has set the expected unplanned outage rate at 2.6% across all regions, accounting for potential equipment failures. Supply capacity estimates also exclude nuclear plants preparing for restarts, such as Onagawa NPP Unit 2 (825 MW) in Tohoku and Shimane NPP Unit 2 (820 MW) in Chugoku. Both are anticipated to begin commercial operation by January 2025, which would bolster reserve margins in their respective regions.
Renewable energy sources, particularly solar and wind, have been evaluated using historical performance data. Solar output is calculated as the average on peak demand days over the past decade, while wind and hydroelectric power assessments incorporate adjustments for natural variability. These refinements reflect the growing importance of accurately predicting the performance of renewables, especially during evening hours when solar output diminishes.
Supply capacity is analyzed based on plans submitted by all the EPCOs to OCCTO, as well as additional data from 81 power generation companies with more than 100 MW of capacity and 10 TSOs. These companies cover a little more than 95% of the thermal generation capacity in all areas. In addition, balancing capacity, activation command power sources, and increased thermal power output capacity are added.
Comparison with past winters
The winter of FY2023 was unseasonably mild, resulting in lower-than-expected electricity demand nationwide. Maximum demand was the lowest in five years, and reserve margins remained robust, peaking at 14% and never falling below 11.4%. Even on the coldest days, all regions maintained reserve margins above 9%, ensuring stable supply.

In contrast, FY2022 experienced harsher winter conditions. Maximum demand in three regions — Hokkaido, Tohoku, and Chubu — exceeded forecasts based on the coldest days in the past decade. Nationwide reserve margins dipped to 10.5%, significantly tighter than the previous year but still sufficient to avoid disruptions. Interregional electricity transfers played a critical role in maintaining stability, particularly during peak demand periods.
Unplanned outages have also varied significantly between years. In FY2023, outage rates averaged 2.8%, rising to 3.1% during January’s cold snap, partly due to disruptions from the Noto Peninsula earthquake. By comparison, FY2022 saw lower outage rates, averaging 1.9% annually and 1.8% during peak demand. These fluctuations underscore the system’s vulnerability to natural disasters and the importance of robust contingency planning.
Reserve margins during winters in FY2022 and FY2023
(Unit: %)
|
Area |
FY2022 |
FY2023 | ||||||
|
Max Nationwide (Jan 25, 2023) |
Max in Each Area |
Max Nationwide (Jan 24, 2024) |
Max in Each Area | |||||
|
Maximum Demand |
Minimum Reserve Margin |
Maximum Demand |
Minimum Reserve Margin |
Maximum Demand |
Minimum Reserve Margin |
Maximum Demand |
Minimum Reserve Margin | |
|
Hokkaido |
9.5 |
12.5 |
9.5 |
12.5 |
16.1 |
14.2 |
10.1 |
9.7 |
|
Tohoku |
6.2 |
5.6 |
6.2 |
5.6 |
42.6 |
20.7 |
21.6 |
9.6 |
|
Tokyo |
10.9 |
10.3 |
8.8 |
8.2 |
12.9 |
12.2 |
10.7 |
10.4 |
|
Chubu |
9.1 |
7.2 |
9.1 |
7.2 |
9.5 |
8.1 |
9.5 |
8.1 |
|
Hokuriku |
6.2 |
11.9 |
7.4 |
11.9 |
10.9 |
12.3 |
14.6 |
15.8 |
|
Kansai |
14.8 |
15.1 |
12.7 |
14.0 |
9.1 |
9.0 |
9.1 |
9.0 |
|
Chugoku |
10.9 |
8.9 |
8.0 |
8.0 |
9.6 |
9.6 |
9.6 |
9.6 |
|
Shikoku |
11.7 |
6.8 |
11.7 |
6.8 |
9.3 |
8.4 |
9.3 |
8.4 |
|
Kyushu |
6.8 |
5.7 |
6.8 |
5.7 |
10.0 |
8.6 |
10.1 |
8.6 |
|
9 Areas |
10.2 |
9.6 |
13.8 |
11.2 | ||||
|
Okinawa |
57.6 |
44.6 |
33.7 |
34.5 |
43.0 |
31.3 |
31.3 |
31.3 |
|
10 Areas |
10.5 |
9.8 |
14.0 |
11.4 | ||||
Source: OCCTO
Risks and uncertainties
Despite the optimistic supply outlook, several risks could disrupt the balance. Extreme weather events, such as cold waves or heavy snowfall, could drive up electricity demand beyond current forecasts. The Japan Meteorological Agency predicts average temperatures nationwide this winter. Colder-than-usual conditions are expected in western Japan due to La Niña that typically strengthens pressure patterns, bringing cold air southward, and increasing the likelihood of heavy snow and lower temperatures in some regions.
Natural disasters remain another significant threat. Earthquakes, typhoons, and other disasters can damage infrastructure and reduce supply capacity. While OCCTO assumes a 2.6% unplanned outage rate in its calculations, recent events like the Noto Peninsula earthquake have shown that actual rates at times can exceed this assumption.
Renewable energy also introduces unique challenges due to the weather-reliant output of solar and wind farms. While advances in forecasting and grid integration are helping to mitigate these variables, the growing share of renewables in Japan’s energy mix requires continued innovation to ensure reliability and much more energy storage than is available in the system today.
Measures to address tight supply-demand
In the event of a tight supply-demand balance, OCCTO has a tiered response system to prevent shortages. If reserve margins fall below 3%, then ANRE will issue a Power Supply-Demand Alert urging businesses and households to conserve electricity. For reserve margins below 1%, rolling blackouts may be implemented, with affected areas receiving at least two hours notice.
New measures introduced in FY2024 include daily updates on reserve margin forecasts, published via the Cross-Regional Reserve Margin Web Publication System. This real-time information aims to improve preparedness on both the supply and demand sides, giving stakeholders more time to respond to potential shortages.
Efforts to strengthen Japan’s power system are also underway through capacity market reforms to enhance grid resilience. However, as covered in the Nov 11, 2024 issue of Japan NRG, these measures are a work in progress, with gaps in implementation limiting their immediate impact.
Lessons from past reforms
Japan’s current electricity system has its roots in reforms initiated after the Great East Japan Earthquake of 2011. That disaster exposed critical vulnerabilities, including overreliance on large power plants and the lack of a unified response framework. As a result, the government launched a three-phase reform process to fully liberalize the electricity market, enhance grid connectivity, and ensure stable supply.
The reforms have made progress and are in their final stages. These include the legal separation of power generation and transmission, the establishment of a capacity market, and the introduction of power balancing mechanisms. But due to the tightness of power supply-demand in recent years and its increased vulnerability to disasters, global fuel markets, and greater forecast uncertainties, the earlier stages are also being reviewed. The main goal today seems to be to introduce much more flexibility into the power system – at all stages.
METI’s and OCCTO’s forecasts for this winter suggest that Japan is well-prepared to meet electricity demand under normal conditions. However, the system’s vulnerabilities to extreme weather, natural disasters, and renewable energy fluctuations mean that risks cannot be entirely eliminated. Continued vigilance, combined with ongoing reforms and technological innovation, will be essential to ensuring a stable and resilient power supply in the years ahead.
Additional supply capacity measures for this winter
|
Activation Threshold Reserve Margin Index |
Measures |
Notes |
|
Less than 8% |
Switch control of pumped storage capacity from generation companies to TSOs |
Threshold has been temporarily changed from 5% to 8% for this winter |
|
Supply surplus power from stable sources by TSO directive |
– | |
|
Start up additional power sources based on a surplus utilization contract with TSOs |
Threshold has been temporarily changed from 5% to 8% for this winter | |
|
Less than 5% |
Activation of power sources by TSO directive |
Threshold was changed from 8% to 5% in Sept 2024 |
|
Conduct increased power operation or peak mode operation of power sources based on a surplus utilization contract with TSOs |
Threshold has been temporarily changed from 8% to 5% for this winter | |
|
Request to increase generation of in-house power |
– | |
|
Supply hydropower to other areas by switching frequency conversion |
– | |
|
If it could be less than 3% |
Inter-regional power transfer by OCCTO directive |
Conducting just before actual supply-demand |
|
Less than 3% |
Transfer power through use of interconnection line margins or expansion of operating capacity |
– |
|
Ensure supply capacity by reducing the voltage of the supplied power |
– | |
|
Use black start power capacity to recover from power outages |
– |
Source: METI, OCCT
BY MAGDALENA OSUMI
Offshore Wind Auctions Bet on Incremental Improvements to Boost Sector
As Japan braces for the outcome of Round 3 offshore wind tenders, industry insiders are growing restless. Incremental tweaks to the auction framework over recent years have sought to address pricing and timeline issues, but many worry that these measured adjustments fall short of the urgency needed to meet the country’s ambitious 2030 sector target.
So far, Japan has made only modest progress in offshore wind development, with a total installed capacity of 153.5 MW by the end of 2023. This includes a mix of both fixed-bottom and floating turbines, but just two wind farms account for the bulk of that capacity.
A best-case scenario would see about 5.7 GW of offshore wind projects operating in Japan by the end of FY2030 – based on the capacity awarded in the first three rounds of tenders. But, this is almost half of the original 10 GW national target. More importantly, it risks presenting Japan as a less attractive market for developers at a time when others in Asia are embarking on ambitious offshore wind programs.
Preparations for Round 4 are adding to the doubts. The three sites expected to be involved are currently at a preliminary stage of readiness, and require environmental and foundational assessments before they can be opened to full-scale bidding. The timeline for selecting operators has not yet been announced.
Despite efforts by METI and MLIT to refine regulatory frameworks and streamline the bidding process, the uncertainties and supply chain frustrations are giving some developers pause about Japan’s potential. Will the government be able to bring the industry back on track?
Upcoming auction
The government is now preparing for Round 4 of the offshore wind auctions, focusing on newly designated “preparation areas” that cover the following locations:
For Round 4, METI is revising criteria for evaluating offshore wind power project bids to ensure faster development timelines and financial stability. The new standards that come into effect from Round 4 include lead time for operations with a six-year benchmark.
This is how it’s expected to work. Projects are evaluated on a 240-point scale, with 20 points allocated for the lead time to start operations. For instance, a standard development period of six years will earn 18 points. Projects completing in five years and six months will receive the full 20 points. Conversely, delays beyond six years will incur penalties: a deduction of two points for each six-month delay. The six-year benchmark reflects the average timeline proposed during Round 2.
To enhance focus on projects with robust financial and risk management plans, METI will increase points for financial stability from 10 to 14, recognizing that significant investments are required to finalize the projects with long-term forecasts. On average, such investments are estimated at hundreds of billions of yen. The goal is to ensure that projects are resilient against inflation and exchange rate fluctuations.
Another significant modification is the proposed reference price cap based on the national average market price for wind power over the past three years, currently estimated at ¥14/ kWh. Bidding price, set at an average capture price, would enable bidders to secure maximum points. Prices higher than that would, on the other hand, make bidders score lower with the point difference smaller than under the existing rules.
In order to balance cost efficiency, ensure project feasibility while considering public cost implications and encourage fair competition between “zero-premium” and “near-zero premium” bidders, METI also proposes a scoring model for project feasibility (out of 120 points) that uses an average 16-point gap observed in previous auctions. This suggests that bidders at the near-zero premium level require a feasibility score of 104 points or higher to compete effectively.
The zero premium level represents a scenario where no additional financial support (premium) is provided on top of the market price for electricity generated by the offshore wind farm. Meanwhile, the near-zero premium level introduces a slightly higher price point than the zero premium, allowing some flexibility for projects that might face additional costs or challenges but are deemed competitive in the open market.
The government is proposing a linear evaluation method for prices that fall between the zero-premium and near-zero premium levels. For prices that exceed the near-zero premium level, the evaluation may follow the maximum supply price cap set by the guidelines under the act on promotion of renewables (e.g. ¥18/ kWh for monopile-based projects in Round 3 and ¥29/ kWh for jacket-based projects in Round 2).
These changes seek to encourage earlier project completion and improve the financial resilience of offshore wind projects.
Winning bids
In Japan, several offshore wind power projects have been approved in previous tender rounds. For example, in Round 2, four projects were awarded:
Meanwhile, in Round 3, areas in the Sea of Japan (Aomori Prefecture) and Yuza (Yamagata Prefecture) with capacities of 600 MW and 450 MW, respectively, are still in the process of bidding. Results are expected in December 2024.
These projects continue to face challenges such as gaining community support, particularly from local stakeholders, addressing supply chain limitations, and adhering to tight construction and operational timelines. The interplay of regulatory revisions, stakeholder negotiations, infrastructure constraints, and environmental requirements has collectively slowed the progress of Japan’s offshore wind projects.
Regulatory framework
Although the government has improved auction rules and introduced incentives, one major issue is the lengthy and complex permitting process. Developers must navigate multiple requirements, including obtaining approvals from various ministries and local stakeholders.
These factors, along with technical and logistical challenges in developing floating wind farms, mean that while Japan is making strides, it is likely to face delays in reaching its national renewable energy goals.
Based on the lessons learned from the previous rounds, the government has implemented several regulatory and procedural changes to address industry concerns and to promote a fairer and more efficient bidding process. This is taken positively by developers as it shows a willingness by the government to work with the sector to improve its operation.
The speed of implementation, however, has been admittedly slow. After broad industry concerns about monopolistic tendencies post Round 1, when Mitsubishi Corp made a clean sweep of the three main projects on offer, METI introduced a cap of 1 GW on the total capacity any one consortium can win in a single tender. While this has opened the auctions awards to more companies, it took a year of deliberations to implement.
Additionally, the government has been revising evaluation criteria such as price factor and timeline prioritization. Under the revised rules, all bids below a certain market price threshold will now receive the same score, discouraging unrealistically low pricing tactics. This ensures that projects are economically viable.
Higher scores have also been awarded for faster project delivery timelines, to encourage operators to speed up project execution. The revised rules aim to make the bidding process more attractive and transparent for international developers. Round 2 finally saw two non-Japanese companies share the spoils: Iberdrola and RWE.
Conclusion
The updates to the bidding process and the regulatory framework for Round 4 auctions are the most promising steps toward fostering competition, enhancing financial stability, and ensuring faster project completion.
Industry insiders, however, are pushing the government to go beyond fine-tuning and offer a bigger pie, especially since previous rule changes mean that the annual expansion for a developer is already limited to 1 GW or less.
So far, the government’s response has been to tout the sector’s potential once wind power generation moves further out to sea, into the Exclusive Economic Zone. That will certainly require floating technology, much of which is still either at the R&D or pilot stages.
Still, the message from state officials is that today’s gentle breeze could and should eventually become a transformative gale. If and when it does, those who are toiling today will be invited to enjoy the expanded power generation scale of tomorrow.
BY JOHN VAROLI
This weekly column focuses on energy events in Asia and the Pacific
Australia / Battery storage
New South Wales approved the $1 billion Mount Piper battery energy storage system, one of Australia’s biggest, which will store excess energy from the electricity grid during non-peak periods. The project is being developed by EnergyAustralia and will use the company’s existing electricity infrastructure. It will store up to 500 MW / 2,000 MW/h of power, enough for over 200,000 homes during high demand.
China / Coal
Coal power permits fell 83% in the first half of this year, with no new coal-based steelmaking projects approved. Also, 52% of experts surveyed by the Centre for Research on Energy and Clean Air in Finland, and the International Society for Energy Transition Studies in Australia, said they expect China’s coal consumption to peak next year.
China / Ocean energy
China General Nuclear Power Group (CGN) plans to build an integrated facility that will experiment with deep-sea renewable energy off the coast of Guangdong province. CGN will lead a tech consortium to build an offshore “integrated energy island,” which is regarded by scientists as one of the country’s 10 most challenging engineering projects.
India / Green hydrogen
India is facing challenges in the rollout of green hydrogen. According to CareEdge Ratings, the estimated levelised cost of green hydrogen, which includes both capital expenditure and operational expenditure per unit of production, is currently around 1.75 times that of grey hydrogen and around 1.50 times that of brown hydrogen.
India / Solar power
India will add 22.4 GW of solar capacity in 2024, according to JMK Research. This includes 17 GW from utility-scale projects, 4 GW from rooftop solar installations, and 1.4 GW from off-grid systems. In the wind sector, about 3.6 GW of new capacity is projected this year. From January to September 2024, India added 13.2 GW of utility-scale solar capacity, a 161% YoY increase.
India / Renewable energy
Tata Power and the Asian Development Bank inked a MoU to allocate $4.25 billion for the company’s renewable energy projects in India. Financing for some projects will be evaluated. These include a 966 MW solar wind hybrid project and pumped hydro storage project, as well as others that focus on the energy transition, decarbonisation, and battery storage.
LNG
The second term of Donald Trump will benefit LNG markets as he is expected to accelerate the expansion of LNG infrastructure in the U.S. through deregulation and fast-permitting. This will reverse the Biden administration’s regulatory pauses and increase leases on federal land for gas production.
Philippines / Renewable energy
Meralco PowerGen Corp (MGen) said it plans to increase its power generation portfolio through the addition of 1.5 GW of renewable energy.
Singapore / SMRs
Singapore should avoid becoming a test bed for small modular reactors (SMRs) in a push to diversify its energy mix away from oil; the problem with SMRs is their high cost and safety risks, according to energy analysts.
Thailand / Renewable energy
The Asian Development Bank and Gulf Renewable Energy inked an $820 million loan to build 12 renewable energy projects; this includes eight ground-mounted solar PV plants with contracted capacity of 393 MW and four ground-mounted solar PV plants with battery energy storage that have contracted capacity of 256 MW and 396 MW/h of energy storage.
A selection of domestic and international events we believe will have an impact on Japanese energy
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