Steven Fawkes IERC 9th may 2013
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Transcript of Steven Fawkes IERC 9th may 2013
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The Case for Energy Efficiency
Steven Fawkes
ChairmanDay One Energy Solutions
+44 77 02231 [email protected]
@DrSteveFawkes
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How (in)efficient are we?
475
5555
Source: University of Cambridge, global figures , in EJSource: University of CambridgeUnits: Exajoules
Only 11% efficient
onlyelevenpercent.com
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LCOE€30 - 75/MWh
Source: Fraunhofer Institute for Solar Energy Systems. May 2012
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April 8, 2023
LCOE€60 - 75/MWh
Source: Fraunhofer Institute for Solar Energy Systems. May 2012
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LCOE€110 - 140/MWh
Source: Fraunhofer Institute for Solar Energy Systems. May 2012
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LCOE€125 - 250/MWh
Source: Fraunhofer Institute for Solar Energy Systems. May 2012
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April 8, 2023
LCOE€125 - 175/MWh
Source: Fraunhofer Institute for Solar Energy Systems. May 2012
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LCOE€250 - 350/MWh
Source: Carbon Trust 2012
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LCOE€20 - 45/MWh
Source: American Council for an Energy Efficient Economy2009
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LCOE Summary (€/MWh)
€30 - 75
€60 - 75
€110 - 140
€125 - 250
€125 - 175
€250 - 350
€20 - 45
Fossil / nuclear
Onshore wind
Large PV
Small PV
Offshore wind
Tidal stream
Energy efficiency
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38% energy saving3.1 year payback on incremental capital
NO SUBSIDIES!
Source: Empire State Building 2012
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Additional grid costs of low carbon generation
Penetration 10% 30%Additional System costs ($/MWh)Nuclear 3.1 2.8Coal 1.3 1.3Gas 0.6 0.6Onshore wind 20.5 43.9Offshore wind 36.0 45.4Solar PV 57.9 83.0
Source: OECD 2012
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Additional benefits from efficiency
Benefit from commercial lighting retrofit (example)
$
Energy savings 1,900Capacity savings 600Line losses avoided 200T & D investment 600Environmental benefit 200Total Benefit 3,500NB assumes 12 hours a day lighting
Source: ConEdison 2012
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Energy efficiency: 21 jobs per $1m spend Energy generation: 10 jobs per $1m spendEconomy as a whole: 17 jobs per $1m
Source: ACEEE 2011
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Decarbonisation through renewables is not plausible
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Oil RenewablesCoal Gas
Oil
Nuclear Other Efficiency
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In summary:
Energy efficiency:- Delivers much lower cost per MWh energy services- Does not require any subsidies- Has additional system benefits whereas renewables have
additional system costs- Generates more jobs per €1m of activity (21) than the
average of the economy (17) and the energy industry (10)- Decarbonisation through renewables is not plausible- Over the last 30 years efficiency has delivered more
energy services than any other type of energy - & that is without us really trying!
- Think about what we can do if we really try!
© Steven Fawkes 2013