Case studies

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Brighton General Hospital: Heating decentralisation cuts carbon emissions by more than 30%

Zenergi was engaged to carry out out a technical feasibility study and financial appraisal co-funded by the Carbon Trust to assess the practical options and energy saving potential from decentralising the outdated steam boiler plant, distribution and condense return systems at Brighton General Hospital.

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Case study highlights

£1.4m project cost delivered over two phases

Complex project delivered in working hospital

Annual cost savings of approx. £130,000

Approximately 1,000t annual CO2 savings

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Thinking Schools Academy Trust: A Trust-wide programme of heat decarbonisation plans

How a leading Trust won an £85,342 net zero grant.

How Linton Village College cut water costs by 80%

Discover how we helped a small community school uncover hidden water waste, achieve an 80% reduction in costs and save over £16,000 annually.

Annual cost savings
£
16,176
Reduction in water costs
80
%
Investment cost
£
2,500
Supporting mandatory carbon reporting for Constellation Trust

Driving compliance, energy and carbon reduction for The Constellation Trust.

How Westbrook Lane Primary School halved air conditioning system costs.

Zenergi’s TM44 Air Conditioning Inspection helped reduce A/C system costs by 50%, delivering tangible financial and environmental benefits for the school.

Annual A/C system operational cost
£
6,952
Potential global warming equivalent
17
tCO2e
Average system Energy Efficiency Ratio (EER)
27
(D)

How the Alpha Trust secured a £402,000 grant.

With our support, the Alpha Trust reduced the environmental footprint of its Essex schools by unlocking vital funding for energy efficiency projects.

Low Carbon Skills Fund (LCSF) grant awarded
£
249,000
Public Sector Decarbonisation Scheme (PSDS) grant awarded
£
153,000

Transforming a 90-year-old National Express depot into a net zero facility.

Discover how we combined sustainable technologies and designs to future-proof Birmingham’s bus depot while creating a better working environment for 450 staff.

SPV panels
150
Green roofing
432
m2
Electric vehicle bays
14

Wellington School unlocks £5,000+ annual savings with immediate ROI

Learn how Zenergi helped identify over £31,000 in potential savings through a customised energy audit, and delivered a positive ROI within a year for the school.

Total energy savings identified:
447,355
kWh
Total carbon savings identified:
134.3
CO2e
Total cost savings identified:
£
31,720
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