Greening Your Church and School: Energy and Climate Change

Greening Your Church and School: Energy and Climate Change

Greening Your Church and School: Energy and Climate Change What you can do in your Parish, School, and also in your home to provide a secure, sustainable, low carbon future for our children to inherit? But what of our future in 10 years? Recipient of James Watt Gold Medal Keith Tovey ( ) .. M.A., PhD, CEng, MICE, CEnv Energy Science Director: Low Carbon Innovation Centre School of Environmental Sciences, UEA. Lay Chair: Norwich East Deanery 1 Greening Your Church and School and Home: Energy and Climate Change For the average family where are the largest uses of energy? Which activities in our lives cause the greatest emission of carbon dioxide? What should we do first? Will we save money? 2 On average each person in UK causes the emission of 9 tonnes of CO2 each year.

How many people know what 9 tonnes of CO2 looks like? 5 hot air balloons per person per year. 10 gms of carbon dioxide has an equivalent volume of 1 party balloon. "Nobody made a greater mistake than he who did nothing because he thought he could do only a little." Edmund Burke (1727 1797) 3 Greening Your Church and School and Home: Energy and Climate Change 1 holiday to Mallorca for family of 4 2 family cars small petrol ~ 10000 miles medium diesel ~ 12000 miles Medium size Detached House Gas central heating

Cavity Insulation Double Glazing 100mm Loft Insulation Ordinary (non-condensing) boiler 4 Carbon Emissions in Norfolk The Behavioural Dimension Electricity Consumption kW h in period 4000 3000 1 person 2000 2 people 3 people 1000 4 people 5 people 0

6 people 0 1 2 3 4 5 6 No of people in household Social Attitudes towards energy consumption have a profound effect on actual consumption Data collected from 114 houses in Norwich For a given size of household electricity consumption for appliances [NOT HEATING or HOT WATER] can vary by as much as 9 times. When income levels are accounted for, variation is still 6 times 6 Electricity Statistics:

Each house in Norwich consumes, 3727 kWh per year. Broadland 5057 kWh Breckland 5612 kWh North Norfolk 5668 kWh South Norfolk 5797 kWh Kings Lynn and West Norfolk 5908 kWh Great Yarmouth 5144 kWh A wind farm the size of Scroby Sands can supply twice domestic demand of Norwich or 66% on average. (or 22% of total demand)

Saves ~ 70 000 to 75 000 tonnes of carbon dioxide a year or 40 000 hot air balloons each year. The alternatives: Persuade 30 000 motorists never to drive the car again Or 300 000 motorists to drive 1000 miles less each year. 7 Norwich 3727 kWh per year N K Tovey - 2007 2008 2008 2009 3000 kWh 2150 kWh Energy use in your Church/ School/Home and our moral responsibilities Monitoring your use of energy. Do you know where the meter(s) is (are)? Do you know how to read them? Do you check that your energy company is charging you for the correct amount of energy? Can you identify areas where you can cut carbon emissions and save money at the same time. The Hard Choices affecting us

Not only Climate Change But also Energy Security We need to be acting now 8 Case 1 Add extra 200mm Loft insulation Saving 2.4% Fit condensing boiler no change of Loft Insulation saves 20.1% 9 Social Awareness of Occupational Impact on Climate Change 10 Measuring your gas consumption. Note: some gas meters read in hundreds of cubic feet, others in cubic meters. Meters such as this have a label ft3 and they actually measure in hundreds of cubic feet. The reading here is 6172.42 hundreds of cubic feet If previous reading was 6172 . 42

6160.31 A total of 12.11 hundreds of cubic feet have been consumed. To work out how must energy has been used in kWh multiply figure by 31.86 = 385.8 kWh If the meter reads in cubic metres (m3) then multiply by 11.25 instead 11 How much Energy does your church use? St Pauls Church, Tuckswood began taking weekly energy readings in mid July 2009 3 heaters like this are used to heat church 200 150 100 50 0 constant Pilot consumption lights

off180 rate of ~ kWh per week ~ 10 per week ~35 kg CO2 27/09 20/09 13/09 06/09 No data 30/08 23/08 16/08 09/08 02/08 26/07 kWh per week Gas is used for heating only Meter readings showed that consistently gas was being consumed (~180 kWh per week) costing over 9 each week even though the heating was off. 12 How much Energy does your church use? St Pauls Church, Tuckswood What about turning off Pilot Lights in mid May and back on in mid September?

Saving would be ~160 per year, 3100 kWh of gas 600 kg CO2 Saving is potentially greater Pilot lights were all kept off until 4th October. Only one pilot light was turned back on that date 3 heaters like this are used to heat church Other heaters will be kept off until needed One heater now comes on at 08:00 on Sunday to warm up church 13 Greening Your Church and School and Home: Energy and Climate Change Weekly Energy Data from St Pauls Church Tuckswood 150 100 50 Pilot Lights

on only on 3 heaters additional cost 9 per week One heater only on Deanery Synod Pilot lights off Tamil Service Main Service pilot light 11/10 04/10 27/09 20/09 13/09 06/09

23/08 16/08 09/08 02/08 26/07 30/08 0 Pilot Lights turned off during week No data kWh per week 200 Weeks in 2009 ending on date shown 14 Greening Your Church and School and Home: Energy and Climate Change

Data from St Pauls Since Pilot has been back on 60% of gas consumption has been just for pilot light. 40% for actual heating of Church. Proportion likely to get better towards mid winter But experiment. Keep only one pilot on, but advance preheating on time switch. Church Wardens turn on other heaters only if needed when they arrive 30mins before service. Could save much more may be as much as 250 a year 15 Greening Your Church and School and Home: Energy and Climate Change How much How much Energy is there in different fuels? MegaJoules Yogurt 85000 calories (85kcal) Yogurts kWh 0.365

1 0.1 1 cubic meter gas 39.6 106.8 10.8 1 litre petrol 32.9 90.1 9.1 1 litre diesel 35.7 97.8 9.9 1 litre LPG

25.0 68.6 7.0 1 litre heating oil 35.3 96.6 9.8 16 Greening Your Church and School and Home: Energy and Climate Change How much CO2 is given of by different fuels ? MJ kg CO2 CO2 to provide 1 kWh of useful heat Gas 39.6 MJ/m3

2.035 kg/m3 0.21 0.26 kg Petrol 32.9 MJ/litre 2.315 kg/litre Diesel 35.7 MJ/litre 2.630 kg/litre LPG 25.0 MJ/litre 1.495 kg/litre 0.24 - 0.31 kg Heating oil 35.3 MJ/litre 2.518 kg/litre

0.27 0.35 kg Electricity 0.54 kg Electricity (Heat Pump) 0.12 0.18 kg Figures in RED assume heating is provided by condensing appliances A litre of diesel has 8.6% more energy than 1 litre of petrol How far does one have to drive in a small family car to emit as much CO 2 as heating and old persons room for 1 hour? 1.6 miles 17 Our responsibility for future generations AND our OWN FUTURE It is not just Climate Change affecting others Energy Security issues will affect us in UK in next 10 years. Our Choices: They are difficult: Energy Security

Import Gap 19 Our Choices: They are difficult: Energy Security There is a looming capacity shortfall 60000 50000 New Coal ? MW 40000 30000 20000 10000 Opted Out Coal New Nuclear? Actual Coal

with FGD Renewables Actual Projected Nuclear Nuclear 0 2000 2005 2010 2015 2020 2025 Even with a deployment of renewables. A 10% reduction in demand per house will see a rise of 7% in total demand

- Increased population 2030 decreased household size Our Choices: They are difficult Do we want to exploit available renewables i.e onshore/offshore wind and biomass? Some People say NO! Thetford Swaffham Scroby Sands Uks first Advanced Gasifier Combined Heat and Power Plant UEA To provide 5% of UKs Electricity would need to cover whole of Norfolk and Suffolk with energy crops 21 Our Choices: They are difficult Do we want to exploit available renewables i.e onshore/offshore wind and biomass? Hydro potential in UK is limited Photovoltaics, much more expensive than wind/ biomass AND has a

much higher embedded carbon than wind, nuclear, etc. Small scale hydro Itteringham Mill 34 kW array - ZICER Building UEA Provides electricity for about 5 houses - Cost 500 000 22 Our Choices: They are difficult Do we want to exploit available renewables i.e onshore/offshore wind and biomass? Wave power and tidal stream are technically limited and are not options for next 10 years except as small scale demonstration. Pelamis Wave Power Orkney half output of Swaffham Limpet Wave Power, Islay Experimental Tidal Stream Devices 23 Our Choices: They are difficult Do we want to exploit available renewables i.e onshore/offshore wind and biomass? Tidal Barrages could provide ~10% of UKs electricity needs, but there are many opponents and would not provide energy until at least 2020

Churchill Barriers, Orkney could provide equivalent of 40% of Sizewell B, but people are opposed to power lines through Scotland. Beauly-Denny controversy 24 Our Choices: They are difficult Do we want to exploit available renewables i.e onshore/offshore wind and biomass?. Photovoltaics, tidal, wave are not options for next 20 years. If our answer is NO Do we want to see a renewal of nuclear power ? Are we happy on this and the other attendant risks? If our answer is NO Do we want to return to using coal? then carbon dioxide emissions will rise significantly unless we can develop carbon sequestration within 10 years UNLIKELY If our answer to coal is NO Do we want to leave things are they are and see continued exploitation of gas for both heating and electricity generation? >>>>>> 25 Our Choices: They are difficult If our answer is YES By 2020

we will be dependent on GAS for around 70% of our heating and electricity imported from countries like Russia, Iran, Iraq, Libya, Algeria Are we happy with this prospect? >>>>>> If not: We need even more substantial cuts in energy use. Or are we prepared to sacrifice our future to effects of Global Warming? - the North Norfolk Coal Field? Aylsham Colliery, North Walsham Pit?? Do we wish to reconsider our stance on renewables? Inaction or delays in decision making will lead us down the GAS option route and all the attendant Security issues that raises. Through inaction and a coherent energy policy the UK Government is taking us down the Gas Route. 26 UEA is leading the Way Advanced Biomass CHP using Gasification Photo-Voltaics Low Energy Buildings Absorption Chilling Efficient CHP

1990 2006 14047 207000 21652 104.6 Change since 1990 +152% +50% +11% -25.7% Expected 2010 16000 220000 14000 63.6 Change since 1990 +187% +159% -28% -54.8% Students

Floor Area (m2) CO2 (tonnes) CO2 kg/m2 5570 138000 19420 140.7 CO2 kg/student 3490 1541 -55.8% 875 -74.9% The Unbalanced Triangular Trade 0.94 billion people Raw materials & Aid

1.33 billion people Ed u ca tion ne n to ) M 5 8 0 7 : 4 002 s t uc e (2 d Pro reas inc O C s 2

1.03 billion people Each person in Developed Countries has been responsible for an extra 463 kg of CO2 emissions in goods imported from China in just 3 years (2002 2005) 28 And Finally Need to act now otherwise we might have to make choice of whether we drive 1.6 miles or heat an old persons room WEBSITE www.cred-uk.org This presentation will be on WEB from this evening >follow Academic Resources Link Are you up to the Challenge?: Will you make a pledge? If you do not change direction, you may end up where you are heading. 29 Lao Tzu (604-531 BC) Chinese Artist and Taoist philosopher 604-531BC 30 31 32

Involve the local Community -The BroadSol Project Solar Collectors installed 27th January 2004 Annual Solar Gain 910 kWh Members of community agreed to purchase Solar Panels at same time. Significantly reduced costs 33 How much Energy is in a cubic meter of gas? The calorific value does vary on a daily basis Daily variation in Calorific Value of Gas in early October 2009 Eastern East Midlands Northern North East North Thames North West Scotland South East Southern South West West Midlands Wales North Wales South 1st 39.7 39.7

40.3 40.2 39.5 39.9 40.1 39.4 39.3 39 39.6 40 39 2nd 39.8 39.9 40.4 40.3 39.4 39.9 40.3 39.6 39.3 39.1 39.6 39.9 39.1 3rd 39.6 39.6

40.5 40.4 39.4 40.1 40.1 39.2 39.1 39.2 39.7 40.1 39.2 4th 39.5 39.7 40.4 40.5 39.3 40.2 40 39.5 39.1 39.2 39.7 40.2 39.2 5th 39.5 39.7

40.4 40.3 39.5 40.3 40 39.4 39.1 39.2 39.4 40.1 39.2 6th 39.6 39.6 40.4 40.4 39.7 40.2 39.9 39.6 39.2 39.2 39.5 40.2 39.2 7th 39.7 39.6

40.4 40.4 39.5 40.2 40.1 39.5 39.4 39.2 39.2 40 39.2 8th 39.7 39.6 40.3 40.3 39.5 39.5 40 39.5 39.2 39.2 39.6 40.2 39.2 MJ/cubic metre 9th 39.6

39.7 40.3 40.3 39.5 40 40.1 39.5 39.2 39.2 39.5 40.1 39.2 10th 11th 39.1 39.1 39.8 39.8 40.4 40.4 40.3 40.3 39.3 39.3 39.8 39.8 40.2 40.2 39.2 39.2 39.1 39.1 39.2 39.2 39.5 39.5 39.8 39.8 39.2 39.2 12th 39.6

39.7 40.5 38.3 39.3 40.1 40 39.3 39.1 39.2 39.5 40 39.2 See http://www.nationalgrid.com/uk/ukgasdata/services/calval/calval.asp Unfortunately volume of gas varies depending on temperature and a correction factor is applied which is typically around 1.02 but see your bill for details 1.02264 So total energy content of 1 cubic metre of gas at appliance = 40.505 MJ/m3 34

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