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Centre for Sustainable Energy Impact Report 2025-26

The Centre for Sustainable Energy's Impact Report 2025-26 sets out its work tackling the injustice of fuel poverty and building lasting solutions to the climate emergency. Its energy advice service supported 20,143 households and secured £33.9 million in total financial benefit, a record average of £1,685 per household. The charity distributed £2.3 million in grants to community organisations to run community-focused energy projects supporting 26,557 households, and its projects led to energy efficiency measures that avoided 2,610 tonnes of CO2 emissions.

Report snapshot
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About

The Centre for Sustainable Energy (CSE) is a Bristol-based charity that puts fairness at the heart of the move to a cleaner energy system. It speaks up for those at risk of being left behind, providing energy advice to people at risk of fuel poverty, supporting housing retrofit, helping local authorities and community groups act on net zero, and running education and youth leadership programmes. Charity 298740.

Key Metrics

20,143 households supported through its energy advice service
£33.9 million total financial benefit secured for people through energy advice
£2.3 million in grants distributed to community organisations for energy projects

Key Outcomes

  • Record average financial benefit of £1,685 for households helped through its advice service
  • Community energy grants supported 26,557 households
  • 2,610 tonnes of CO2 emissions avoided as a result of its projects

Geography

South West

Impact Snapshot
Key Metric 1
5,999 active volunteers contributed 776,242 hours in 2025/26
Key Metric 2
137 winter maintenance projects across 45 canals; 109 lock gates replaced
Key Metric 3
101,640 children participated in Explorers/STEM outdoor learning, including 67,896 water-safety participants
Over 80% of the network kept fully open despite drought.
Impact Snapshot
Key Metric 1
The Eco-Schools programme reached over 1.4 million pupils, with 2,162 schools awarded the Eco-Schools Green Flag in 2024/25
Key Metric 2
326,000 volunteers pledged to the Great British Spring Clean, picking up 425,626 bags of rubbish, supported by 288 local authorities and parish councils
Key Metric 3
2,227 Green Flag Awards given to parks and green spaces in the UK; 151 beaches given a Blue Flag and/or Seaside Award
98.3% of educators felt the Eco-Schools programme significantly supports young people's development of 'green skills'
Impact Snapshot
Key Metric 1
First known breeding success of spoonbills in the Norfolk Broads in around 400 years, recorded at Hickling Broads and Marshes
Key Metric 2
Over 60 nature reserves managed across Norfolk, with land owned or managed for wildlife exceeding 5,000 hectares
Key Metric 3
1,500 volunteers helped protect wildlife across the county during the year
New urban nature reserve co-designed with the local community, expanding accessible green space in Norfolk
Impact Snapshot
Key Metric 1
61,819 native oysters deployed across UK restoration projects in 2024/25
Key Metric 2
15,064 people participated in the Beachwatch beach clean programme, submitting 1,256 litter surveys — the highest in the programme's 31-year history
Key Metric 3
17,613 young people engaged through in-person or online youth programme sessions
£11.5 billion Ofwat investment package secured for storm overflow cuts in England and Wales following sustained MCS advocacy