One-Stop Excellence. Maximized Asset Value.

About Us As the expertise required to operate renewable energy plants becomes increasingly complex and diverse, operations must evolve from simple maintenance to strategic asset value enhancement.

We provide integrated, one-stop solutions covering the entire lifecycle of power plants.

Our multidisciplinary team of experts covers every function required to operate a power plant, including Operations and Maintenance, Asset Management, construction, and security. Leveraging our extensive domestic and international track record, we are committed to maximizing the value of your renewable energy assets.


Our Services

Operations and Maintenance (O&M)

We ensure stable plant operations through rigorous fault prevention and rapid response capabilities.
Our seasoned experts provide 365-day monitoring to maximize energy yield.

  • Inspection
  • Remote surveillance / Monitoring
  • Retrofitting / Repowering
  • Maintenance works / Disaster prevention measures
  • O&M for grid-scale storage batteries
Learn more

Asset Management

We provide end-to-end support from power plant development and construction to operation.
Our asset managers optimize portfolio management to drive revenue growth and enhance asset value.

  • Commercial asset management
  • Technical asset management
  • Community engagement
Learn more

Our Strengths

Shizen Operations specializes in O&M and Asset Management services for renewable energy power plants. Our high-quality service is the reason clients choose us.

Extensive Track Record Nationwide

We continuously optimize power plant performance to help improve our clients’ business profitability.

Multidisciplinary Engineering Team

Our team includes not only electrical engineers but also specialists in telecommunications and civil engineering, enabling precise resolution of diverse technical issues.

World-class Monitoring Standards

We provide continuous, 365-day monitoring down to the string level. We identify the location of issues quickly and in detail in the event of an outage or anomaly.

Bilingual Support (Japanese / English)

In addition to daily business communication, we can provide all necessary documentation and reporting in English.

Operations and Maintenance track record

Cumulative generation
capacity

1,036
MW

Total managed
power plants

173
sites

Years in
business

12
years

Asset Management track record

Total power
output

680
MW

Assets under
management

137
sites

Managed
SPCs

45
companies