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Tomato-Atsuma power station CO2 capture plant, Japan

Computer generated graphic of carbon capture facility

12th September 2025

By: Sheila Barradas

Creamer Media Research Coordinator & Senior Deputy Editor

     

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Name of the Project
Tomato-Atsuma power station CO2 capture plant.

Location
Tomakomai area of Hokkaido, in Japan.

Project Owner/s
Electric company Hokkaido Electric Power Co (Hepco).

Project Description
When completed, the facility is expected to be the largest CO2 capture plant in Japan. 

The project entails the basic design of a CO2 capture plant (front-end engineering design, or FEED) for Hokkaido’s Tomato-Atsuma power station.

The plant will have the capacity to capture 5 200 t/d CO2 from the flue gases emitted during combustion of the boilers in the power station.

The project aims to store 1.5-million to two-million tons of CO2 a year by 2030 in deep saline formations near Tomakomai, using CO2 captured at Hepco’s Tomato-Atsuma power station.

Potential Job Creation
Not stated.

Capital Expenditure
Not disclosed.

Planned Start/End Date
Not stated.

Latest Developments
Mitsubishi Heavy Industries (MHI) received an order from MHI in July for this FEED project and will investigate the main equipment and specifications using its proprietary CO2 capture technology, in preparation for future equipment installation

Key Contracts, Suppliers and Consultants
MHI (FEED).

Contact Details for Project Information
Hepco, tel +81 11 251 1111.
 

Edited by Martin Zhuwakinyu
Creamer Media Senior Deputy Editor

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