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Hinkley Point C Underwater Cooling Tunnels

Sector: Geothermal • Location: Somerset, United Kingdom

Source: CPG Click Petróleo e Gás

Project
Under Construction

The project involves the construction of 8.8 kilometers of underwater tunnels beneath the Bristol Channel to draw seawater for cooling two EPR reactors at the Hinkley Point C nuclear power plant in Somerset, UK. The tunnels are excavated about 30 meters below the seabed and are designed to circulate enough water to fill 4,200 Olympic swimming pools per day, ensuring thermal control of the 3.2 GW p

Status
Under Construction
Sector
Geothermal, Oil and Gas, Water Supply and Storage, Power Generation (CCGT), Nuclear
Location
Somerset, United Kingdom
Updated
22 Jul 2026
Source
CPG Click Petróleo e Gás

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The project “Hinkley Point C Underwater Cooling Tunnels” is an infrastructure initiative in the Geothermal sector, located in Somerset, United Kingdom. Taiyo aggregates data on it from CPG Click Petróleo e Gás.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The project involves the construction of 8.8 kilometers of underwater tunnels beneath the Bristol Channel to draw seawater for cooling two EPR reactors at the Hinkley Point C nuclear power plant in Somerset, UK. The tunnels are excavated about 30 meters below the seabed and are designed to circulate enough water to fill 4,200 Olympic swimming pools per day, ensuring thermal control of the 3.2 GW plant.

Original sector

Energy

Location

Country

United Kingdom (UK)

State

Somerset

Source

Source

CPG Click Petróleo e Gás

URL

More Details

Record type

Project

Sector

Geothermal, Oil and Gas, Water Supply and Storage, Power Generation (CCGT), Nuclear

Article published date

2026-05-14

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