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Energize Society By Reliable Energy

Bison Energy is a global developer and investor for environmentally friendly renewable energy projects. We are committed worldwide to creating sustainable energy through the production of clean, environmentally friendly renewable power plants. As an international leading renewable developer and investor, we have experienced phenomenal growth with portfolios across Europe, contracts including Construction, Power Purchase Agreements

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Media Center

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    【Press Release】Bison Energy and Engelhart Sign Heads of Terms for Japan’s First 10-Year Revenue Flo

    Tokyo, Japan – July 3, 2025 – Bison Energy, K.K. (“Bison Energy”), a leading developer and integrator of Photo-Voltaic (PV) and utility-scale Battery Energy Storage Systems (BESS) has signed the Heads of Terms for a landmark 10-year revenue floor agreement with Engelhart CTP GK (“Engelhart”), a global energy trading and asset optimization leader. The first-of-its-kind deal, executed through Bison’s asset-holding subsidiary, marks a major milestone in Japan’s transition to a flexible, low-carbon energy system.Bison Energy aims to establish a long-term guaranteed revenue structure for utility-scale battery storage projects. Under the deal, Bison Energy —through its wholly owned asset holding subsidiaries —will receive a fixed minimum revenue for its BESS assets, while also participating in upside sharing when market conditions exceed floor levels. The structure is designed to provide predictable cash flow while capturing potential market upside. Engelhart, leveraging its experience managing large-scale BESS portfolios in deregulated power markets across Europe, will provide trading and optimization services for the assets. Its team will oversee real-time asset dispatch, charge/discharge strategy, and revenue maximization tailored to Japan’s power market design.
    READ MORE Jul 07 2025

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    【Press Release】Three BESS Projects Win Bid in the Long-Term Decarbonization Auction

    Bison energy Co.,Ltd. (headquartered in Tokyo, Japan; Hengbo Zhang, CEO) is pleased to announce that three of its battery energy storage system (BESS) projects (total installed capacity: 195,753 kW) has successfully won the bid in the Long-Term Decarbonization Auction *1. This auction is a bidding system introduced in 2023 by the Organization for Cross-regional Coordination of Transmission Operators, JAPAN (OCCTO). Aiming to stabilize the power supply and realizing a decarbonized society, the successful bidders will supply electricity for
    READ MORE Apr 30 2025

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    CATL and Bison Brothers agreed on Cooperative Framework for the innovation of 2.8 GWh BESS

    Bison Brothers Co.,Ltd., a system integrator of large-scale storage batteries (BESS), and CATL, a global storage battery manufacturer, have agreed to establish a cooperative framework for the innovation of 2.8 GWh storage batteries (BESS) in Japan and have signed a MoU (Memorandum of Understanding). The agreement reflects the growing market demand for BESS, and the two companies will work in partnership to provide a more competitive and comprehensive solution for the Japanese storage battery market. Bison Brothers is a pioneering storage battery system and solution provider established in 2023 to meet the growing demand for renewable energy. Through its group company Bison energy Co.,Ltd, the company has a proven track record in renewable energy project development, with a pipeline of over 5.5 GWh of BESS projects worldwide. Bison Brother is aggressively expanding its presence in Japan and has set a goal of developing 3 GW/12 GWh of BESS by 2028. Through this partnership with CATL, the company will accelerate the supply of battery storage solutions for the transition to renewable energy.
    READ MORE Mar 05 2025

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    Thank you for visiting us at Smart Energy Week 2025

    We sincerely thank you for visiting Bison Brother’s booth during the 2025 Japan Smart Energy Week. Your presence was a great honor for us. Providing satisfactory one-stop storage solutions is our continuous goal. We genuinely look forward to a deeper cooperation with your esteemed company in the future.
    READ MORE Feb 27 2025

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    Meet Us at Smart Energy Week 2025（Spring）

    Please schedule and meet us at SMART ENERGY WEEK on Feb 19-21! We will be showcasing cutting-edge solution of Battery Energy Storage System(BESS) just to meet your requirement.　Meet our experts and get an insight into the future of renewable energy solutions.
    READ MORE Jan 15 2025

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    Looking back at 2024！

    It has been a year of great progress, growth for Bison Energy Group. Today, as the year draws to a close, we would like to take a moment to review the year of Bison Energy Group. The world has long been talking about the need for decarbonization and renewable energy, but this year has also seen an increased focus on the battery storage business, making it a year of great progress for Bison Energy Group.
    READ MORE Dec 25 2024

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    Bison USA secured "Margay" project in Texas

    Bison Energy USA has begun work on its second project in Texas, the "Margay" 100MW/400MWh Battery Energy Storage System (BESS). This is the second project the team has won in 2024. Bison Energy USA plans on taking the project from the development phase through to the operational phase of the project, all the while collaborating with others who share our vision. The project is expected to start operation in January 2028.
    READ MORE Dec 13 2024

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    Bison Energy Wins two EPC Contracts for govermement Solar Farm Projects in Victoria, Australia

    Bison Energy Australia is excited to announce that it has successfully won the tender and signed Design and EPC contracts for two solar farm projects with Goulburn Valley Water (GVW) through a Victorian Government tender.
    READ MORE Dec 09 2024
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We Provide You With A One-stop Energy Solution.

Bison Energy collaborate with trusted and experienced suppliers and investors to advise, fund, design, construct, and operate renewable projects, including Solar, Energy Storage, Wind, and Biomass. Our steadfast corporate values and ethics position us as one of the world's most honest, reliable, and proactive renewable energy teams.

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  • Solar Power Plant

    Solar energy is a cornerstone of sustainable development, offering significant reductions in carbon footprint and long-term economic benefits. By harnessing the power of the sun, we provide clean, renewable energy solutions that contribute to environmental preservation and energy security.

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  • Wind Power Plant

    Wind energy is vital for reducing reliance on fossil fuels and lowering greenhouse gas emissions. Our wind project development services harness the power of the wind to generate clean, renewable energy, contributing to a sustainable future.

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  • Battery Energy Storage System

    Energy storage is essential for stabilizing the grid and supporting the integration of renewable energy sources. Our focus is on developing and holding independent energy storage stations, primarily using lithium batteries. These systems provide reliable backup power, enhance grid stability, and facilitate the efficient use of renewable energy.

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  • Energy Sales & Distribution

    PPAs provide financial stability and long-term energy solutions for both producers and consumers. Our PPA services help clients secure stable energy prices and renewable energy credits, contributing to sustainable energy goals.

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  • EPC Management

    PPAs provide financial stability and long-term energy solutions for both producers and consumers. Our PPA services help clients secure stable energy prices and renewable energy credits, contributing to sustainable energy goals.

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  • O&M

    O&M services are crucial for maximizing the performance and lifespan of energy assets. Our comprehensive O&M services ensure that energy projects operate efficiently and reliably, providing long-term value to our clients.

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Mission Statement

Creating a Sustainable World

We strive to inspire the world to adapt to energy sources that are “Powered by Nature”

Core Values

Clean

We support a cleaner, greener future

Honest

Everything we do is of the highest ethical standard.

Innovative

Always striving for more to create a better sustainable world

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