Asistencia técnica geotécnica para proyecto solar renovable Cottam
- Client: Island Green Power (IGP)
- Location: Lincolnshire and Nottinghamshire, UK
- Year: 2024 - Present
A key project for the decarbonisation of the United Kingdom
The Cottam Solar Project represents an unprecedented energy transformation in the UK.
Located on the border between Lincolnshire and Nottinghamshire, this infrastructure project of national importance (NSIP) comes from the site of the previously operated Cottam coal-fired power station, which was closed in 2019. With a generation capacity of up to 600MW, the project will be able to supply 180,000 homes with clean and renewable energy.
The approval of the Development Consent Order (DCO) by the Secretary of State for the Department of Energy, Security and Net Zero in September 2024 marks a critical milestone for the UK energy transition. This project will not only replace 30% of the generation capacity of the old coal-fired plant, but it will do so with solar technology, free of emissions and without the need for public subsidies.
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Geotechnical technical assistance: the basis for project success
SOCOTEC has been selected as a strategic partner to provide specialized technical assistance in the geotechnical field, an essential component to ensure the technical feasibility and structural safety of solar and energy storage facilities.
Our team of specialists has carried out a comprehensive field testing and analysis campaign in the four project areas (Cottam 1, 2, 3a and 3b), strategically located to the south-east and north-east of Gainsborough. This technical assistance includes detailed soil characterization to support the design of foundations and infrastructure for connection to the national electricity grid.
In projects such as the Cottam Solar Project, where installations are spread over multiple areas of land, specialized geotechnical testing is decisive. The thermal resistivity of the soil, for example, directly determines the ability of underground cables to dissipate heat and efficiently transport the 600MW of energy generated. Inadequate geotechnical analysis can compromise decades of operation.
SOCOTEC's Specialized Geotechnical Services
SOCOTEC's technical assistance in the Cottam Solar Project covers a wide range of field and laboratory trials, specifically designed for the needs of large-scale renewable infrastructure projects:
Thermal Soil Characterization: Key to Electrical Infrastructure
One of the most critical aspects in solar projects of this magnitude is the design of the underground electrical infrastructure. SOCOTEC has carried out specialized thermal resistivity tests both on-site and in the laboratory (DRY-OUT Test), providing essential technical assistance for the sizing of cabling systems.
The underground cables that will carry the power generated from the project's four zones to the Cottam National Substation are to operate safely and efficiently for decades. The thermal resistivity of the ground determines the dissipation capacity of the heat generated by the cables, a critical factor to avoid overloads and ensure maximum energy transmission efficiency.
Our analyses have made it possible to identify the thermal properties of the ground in different humidity conditions, providing accurate data for the design of the cable corridors and optimizing the configuration of the electrical installations in all phases of the project.
RENEWABLE ENERGIES
SOCOTEC's experience in renewable infrastructure projects
SOCOTEC has a consolidated track record in providing technical assistance for renewable energy projects at an international level. Our expertise ranges from wind farms to large solar installations, providing specialized geotechnical services, material analysis and quality control that guarantee the technical feasibility and safety of critical infrastructures.
Our approach is based on a thorough understanding of the specific challenges of each project, adapting our testing and technical assistance protocols to the particular characteristics of the terrain, climatic conditions and regulatory requirements of each jurisdiction. This adaptability, combined with cutting-edge technology and multidisciplinary teams of specialists, positions us as a reference partner for developers of renewable infrastructure projects seeking technical excellence and rigorous compliance with the highest quality standards.
SOCOTEC has a consolidated track record in providing technical assistance for renewable energy projects at an international level. Our expertise ranges from wind farms to large solar installations, providing specialized geotechnical services, material analysis and quality control that guarantee the technical feasibility and safety of critical infrastructures.
Our approach is based on a thorough understanding of the specific challenges of each project, adapting our testing and technical assistance protocols to the particular characteristics of the terrain, climatic conditions and regulatory requirements of each jurisdiction. This adaptability, combined with cutting-edge technology and multidisciplinary teams of specialists, positions us as a reference partner for developers of renewable infrastructure projects seeking technical excellence and rigorous compliance with the highest quality standards.
Expertos SOCOTEC en Geotecnia para parques fotovoltaicos
Iván Caparrós
Geotechnnical Survey Director
Álvaro Navarro
Geólogo
Miquel García
Geólogo de Proyectos Fotovoltaicos
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