cranbrook a zero carbon case study 10 th july 2012 mike wood centre for energy and the environment

CranbrookA zero carbon case study

10th July 2012

Mike WoodCentre for Energy and the Environment

The Centre for Energy and the Environment

E

Waste

Building performancemodelling

Sustainable transport Renewable energy systems

Energy, environmental and climate change policy

Research and knowledge transfer

Sustainable and energy efficient

buildings

The Centre for Energy and EnvironmentClimate change and energy policy• Audits of local energy use• Audit of greenhouse gas emissions• Support for carbon reduction strategies• National carbon and energy policy drivers• Local evidence bases and wordingSustainable buildings• Advice on sustainable design and policy• BREEAM assessments / advice• Building Energy Certification• Day lighting simulations and calculations• Energy auditing

Built environment performance monitoring• Monitoring of building services performance• Ventilation measurement and CFD prediction• Acoustic design advice for buildings• Measurement of the acoustic quality of buildings

Sustainable transport• Local air quality assessments and modelling• Low carbon transport technology and fuels• Carbon reduction strategies

Renewable and low carbon energy systems• Renewable energy feasibility studies• Technology evaluation• Low carbon development policy and advice• District heating and ESCos

Research and knowledge transfer• Climate change and adaptation• Knowledge transfer partnerships (KTPs)• Bespoke research

Waste• Energy from waste• Waste studies

St Loyes care home, Exeter

Heat and electricity demand in the UK

Economies of scale – Cranbrook 2008

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bio-bioler

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Fabric B

Fabric A

Bio-boiler

District heating with gas CHP

District heating with biomass CHP

Source: Element Energy, July 2008

Cranbrook DH & CHP breakthroughs 2010

• £4.1m HCA low carbon infrastructure grant • Private sector ESCo proposition• Renewable Heat Incentive (RHI) • Skypark commercial development included in scheme

Cranbrook & Skypark Energy Solution

Energy Centre• 1.4 MWe natural gas CHP units and five 4 MWth Natural Gas boilers • Two advanced thermal gasification units linked to two 1.4 MWe CHP engines• Thermal stores• Output Capacity when fully operational 4.2 MW electricity and 25.4 MW heat• c 13,000 t /year CO2 savings per year

District heatingHomes and commercial buildings connected by 75 km of heat pipes

Image courtesy of eon

• Reduce developers exposure to tightening CO2 standards at little extra cost• Demonstration of a private sector ESCo model• Biomass CHP using recycled wood• ~£45m low carbon investment

Cranbrook & Skypark scheme benefits

Image courtesy of St Modwen

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Thank You

Mike WoodT: 01392 724143

E: m.j.wood@ex.ac.uk W: www.ex.ac.uk/cee