Based on 11 reviews
Sustainergy is a pioneer with 10 years of experience in regional small-scale energy saving and renewable energy projects. The company designs optimal combinations of energy resources and organizations within specific regions. They offer consulting services for solar power development and operate solar power stations across Japan, including hybrid models like farming-type solar farms.
The company was founded in 2009 and celebrated its 17th anniversary in February 2026. Their representative, Hiroshi Miki, previously worked at Accenture before starting the company in August 2007. The business has a capital of 37.6 million yen and is led by Miki, who graduated from Aoyama Gakuin University.
Sustainergy is located at 15F CIC Tokyo, Kitanomaru Hill Business Tower, 1-17-1 Konan, Minato-ku, Tokyo, Japan. The company also established SYN-ROBOTICS in Nagano Prefecture in March 2026 to develop AI-powered autonomous agricultural robots.
Their primary services include solar power development consulting, solar power station development and operation, and hybrid power plant projects. They aim to achieve a sustainable society by promoting renewable energy and reducing carbon emissions through these initiatives.
The company targets businesses seeking to reduce carbon emissions and energy costs through solar and renewable energy projects. They also aim to contribute to global peace and safety by introducing distributed power sources to un-electrified regions worldwide.
According to reviews, customers praise the company for its excellent customer service, reliable products, and smooth installation processes. Many users report significant cost savings on energy bills and are highly satisfied with the results of their solar energy purchases.
Sustainergy has a Trustburn rating of 4.1 out of 5 stars based on 11 reviews. The feedback is recent, with the latest review posted on November 3, 2023, and the oldest on December 21, 2022.
The company's website was last updated on October 23, 2026, and they have been featured in media such as the Weekly Agricultural Machinery Newspaper, which covered their SYN-ROBOTICS project in December 2025.
To get started, potential clients can use the contact form on their website to request information. The company also provides consulting services to help businesses implement solar power and renewable energy solutions effectively.
Sustainergy differentiates itself by combining technical and business models to overcome difficult economic challenges in energy projects. They emphasize a persistent commitment to realizing projects even during difficult situations, a trait highlighted in their own descriptions.
The official website of Sustainergy is sustainergy.co.jp.
Sustainergy has official profiles on Facebook.
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Sustainergy has been my go-to company for all my sustainable energy needs. Their products are reliable and their customer service is excellent. I am extremely happy with my purchase and would highly recommend them to anyone in need of sustainable energy solutions.
🌞 Sustainergy provides excellent sustainable energy solutions! Their products are top-notch and the customer service is outstanding. I am very happy with my purchase and would definitely buy from them again. 🌿
I have been using Sustainergy for my solar energy needs for a few months now and I am very impressed. The installation process was smooth and the cost savings have been significant. I highly recommend their services!
I recently switched to using solar energy and it has been a game changer. Not only am I reducing my carbon footprint, but I am also saving money on my energy bills. Highly recommend considering sustainable energy options!
Solar energy has been a game changer for me. Not only am I saving money on my energy bills, but I am also reducing my carbon footprint. Highly recommend considering sustainable energy options!
I recently purchased some solar panels from a company and I have to say, I am extremely pleased with the results. The installation was quick and hassle-free, and the energy savings have been amazing. Highly recommend!
I've been using Sustainergy for a while now and I must say, it's been a great experience. The installation process was smooth and the solar panels have exceeded my expectations. Highly recommend!
😊 I can't say enough good things about Sustainergy! Their sustainable energy solutions are top-notch and their customer service is exceptional. I am extremely satisfied with my purchase and would definitely recommend them to others. 😊
⚡️Sustainergy is an amazing company that offers fantastic sustainable energy solutions! Their products are of high quality and their customer service is top-notch. I am incredibly happy with my purchase and would definitely recommend them to others.⚡️
I had a great experience with Sustainergy! Their customer service was excellent and they were very knowledgeable about their products. I would highly recommend them to anyone in need of sustainable energy solutions.
I recently purchased solar panels from a company and I have been extremely satisfied with the results. The installation was smooth and hassle-free, and the energy savings have been incredible. Highly recommend!
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Sustainergy is a company design the optimal combination of energy resources and organizations that exist in the region