Fuel Cells Group

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Hydrogen House Iain Staffel

• Fuel Cells Group
• www.fuelcells.bham.ac.uk
• www.hydrogen-wm-scratch.info
• SCRATCH Workshop 16/09/09

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Results from the Baxi Field Trial
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Heating and electrical integration
Grid electricity
Hot water
Coil heater
Fuel cell heat store
Hot water tank
Space heating
Boiler
Aux. Boiler
Domestic appliances
Fuse box
Fuel Cell
Natural gas input
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Operating status
Fuel cell set to run constantly at full power
for thirty days straight
Interruptions to the field trial (maintenance,
comm. errors)
Fuel cell turned off for 2 months (concerns about
running costs)
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Average efficiency
30-40thermal

18-21electrical
48-61 total
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Efficiency vs. power output
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Efficiency vs. running time
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Start-up profile
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Overall benefits
84 on fuel bills
96kg of CO2 emissions
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The next step . . .