HD Renewable Energy Co., Ltd. (smart energy company) has secured 160 megawatts of lithium-ion battery storage capacity in Japan's third Long-Term Decarbonization Power Source Auction, pushing the Taiwan-listed company's cumulative awarded capacity under the program to approximately 560 megawatts since it first entered the market in 2023.

A Third Consecutive Year in Japan's Capacity Market

The Long-Term Decarbonization Power Source Auction, known as the LTDA, is a Japanese government mechanism that provides awarded projects with fixed capacity revenues for periods of up to 20 years. HDRE, listed on the Taiwan Stock Exchange under ticker 6873, has now participated in the auction for three consecutive years and has used each round to progressively scale its position in the country.

In the first LTDA results, announced in 2024, HDRE secured 100 megawatts. That figure expanded to 300 megawatts in the results announced in 2025. The latest award of 160 megawatts brings the running total to around 560 megawatts.

Across the most recent auction cycle, total awarded capacity for lithium-ion battery storage reached 552 megawatts, meaning HDRE's share accounted for nearly 30 percent of everything awarded in that asset class during this round.

New Projects in Kagoshima and Miyagi

The two battery storage projects secured in the latest auction are located in Kagoshima and Miyagi prefectures. HDRE has indicated the projects are expected to combine capacity market revenues with power market operations, a structure the company describes as supporting a long-term revenue base.

The fixed-capacity payments available through the LTDA underpin HDRE's broader strategy of building a durable overseas asset portfolio. The LTDA framework is central to HDRE's Japan growth plan.

By providing revenue certainty over multi-decade project lifespans, it allows the company to structure project financing and plan operational deployments with greater predictability than merchant power arrangements alone would permit.

Japan Targets and Near-Term Milestones

Japan has become one of HDRE's designated key overseas markets. The company has set a target of 3.4 gigawatts of project pipeline in Japan by 2029, with a primary focus on battery storage assets alongside expanded capabilities in power finance and market trading. Within 2026, HDRE has outlined several specific initiatives it plans to advance in the country.

These include a 340-megawatt battery storage operation and long-term offtake collaboration with Tokyo Gas, which was announced in April 2026. A separate 300-megawatt battery storage collaboration involves HDRE subsidiary Star Trade Japan working with Chubu Electric Power Miraiz, with the stated aim of helping reduce electricity price fluctuation risks for participants.

HDRE has also identified the completion of project financing for a 50-megawatt battery energy storage system, the Helios BESS in Hokkaido, as a 2026 priority. That project was associated with a USD 33.94 million financing that the company described as Japan's first grid-scale battery green bond, an arrangement announced in March 2026.

Global Pipeline Ambitions Across Three Markets

HDRE describes itself as an international smart energy company and is expanding simultaneously across Taiwan, Japan and Australia. The company's stated goal is to build a global pipeline of 9.4 gigawatts by 2029, encompassing projects under development and in planning stages.

The 9.4-gigawatt figure breaks down across the three core geographies. Japan accounts for the 3.4-gigawatt target. Australia carries a pipeline target of 2.7 gigawatts by 2029, with battery storage and solar projects described as moving from development toward construction and operation.

Taiwan contributes a 3.3-gigawatt pipeline, where HDRE says it will continue to expand its domestic asset base while drawing on operational experience from Japan and Australia to develop energy assets and power service businesses internationally.

Australian Capacity Revenue Mechanisms

In Australia, HDRE has identified specific government-backed revenue mechanisms it intends to pursue. The company cited the Capacity Investment Scheme and the Firm Energy Reliability Mechanism as programs that could support capacity revenue opportunities for its Australian projects.

Both are government schemes designed to underwrite investment in clean energy and reliable generation capacity. HDRE has not specified which individual Australian projects it intends to direct toward these mechanisms, but the company's stated 2.7-gigawatt Australian pipeline provides the broader context for those ambitions.

Three Strategic Growth Pillars

HDRE has articulated three overarching growth strategies it intends to pursue across its international operations: long-term contracts, power services, and integration with artificial intelligence computing-related supply chains.

The company has not provided further elaboration in this announcement on the specific nature of AI computing supply chain integration, but the inclusion of that pillar alongside more conventional energy contracting and services strategies reflects how the company positions its future business development.

The cumulative LTDA awards in Japan represent the most concrete near-term output of those strategies, with fixed revenues locked in across a growing portfolio of battery storage assets in a market where HDRE now holds a significant share of the decarbonization auction capacity awarded to date.

Power Your Pipeline with Real-Time Project Intelligence Across Japan

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