Scotland’s Changing Hydro Resource – 2008 to 2012 and Beyond
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Transcript of Scotland’s Changing Hydro Resource – 2008 to 2012 and Beyond
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Small hydro from idea to operation
Scotland’s Changing Hydro Resource – 2008 to 2012 and Beyond
Nick Forrest
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Small hydro from idea to operation
Topics Recent history of hydro National resource – what is it now? What the sites look like How fast will hydro grow? What are the critical factors?
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Small hydro from idea to operation
Cumulative Installed Hydro
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Small hydro from idea to operation
Developers Uncertain markets Money looking for investments Many new developers Land grab How much is left?
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Small hydro from idea to operation
SNH and SEPA Increasing number of
applicants Cumulative effects
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Small hydro from idea to operation
Scottish Government Pollution & climate change Energy security Rural income
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Small hydro from idea to operation
National Surveys
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Small hydro from idea to operation
Hydrobot Remote hydro prediction, including:
Flow duration statistics Layout and equipment optimisation Grid connection Costs and revenues NPV indicating best option Applicable across regions
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Small hydro from idea to operation
1020
30
50
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T1T2
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Small hydro from idea to operation
Scottish Hydropower
Resource Study
657MW of untapped potential
>1,000 schemes, 20kW to 20MW
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Small hydro from idea to operation
Employment Study The Employment Potential of
Scotland’s Hydro Resource Refined costings Included micro hydro (<100kW) Feed-In Tariffs (FITs)
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Small hydro from idea to operation
Revised Resource 1.2 GW potential, 7,000 schemes 169 MW across 4,400 micro-hydro sites
0100200300400500600
0
1,000
2,000
3,000
4,000
5,000
Pot
entia
l pow
er (M
W)
Num
ber o
f pot
entia
l sch
emes
Power band
Number
Potential power (MW)
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Small hydro from idea to operation
SNH Study New Feed-In Tariffs Simple payback of 10 years or less Variable design flow (1 to 1.3) Survey and mitigation costs Full set of CAR licenses entered 706MW across 6,312 schemes
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Small hydro from idea to operation
babyHydro 2012 (I’m talking about this one) FITs as of December 2012 997MW across 9,152 schemes
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Small hydro from idea to operation
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Small hydro from idea to operation
Technical Screening 1:50,000 maps Maps of distribution grid River status Existing schemes
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Small hydro from idea to operation
Technical ScreeningCode Description
T1 Forestry CommissionT2 Access or gorgeT3 Other obstacleT4 Grid issues
T5Interferes with existing scheme
T6 ErrorT7 Low gradientT8 Good
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Small hydro from idea to operation
Screened Resource Total resource = 997MW 33% good = 329MW 165MW on Forestry Commission land 33% good = 55MW Total without barriers = 384MW
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Small hydro from idea to operation
Two Waves?20
00
2002
2004
2006
2008
2010
2012
2014
2016
2018
1,400.00
1,450.00
1,500.00
1,550.00
1,600.00
1,650.00
1,700.00
1,750.00
1,800.00
Cumulative Installed Capacity
Inst
alle
d Ca
paci
ty (M
W)
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Small hydro from idea to operation
But How Fast? Do We Care? Market size Targets Replacing other sources in time Incentives to stimulate market Degression
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Small hydro from idea to operation
Straight-Line Trends Rate of commissioning Rate of consenting
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Small hydro from idea to operation
Cumulative Installed Hydro
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Small hydro from idea to operation
Excluding Fasnakyle & Glendoe
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Small hydro from idea to operation
Commissioning and Consenting Trends
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Small hydro from idea to operation
Commissioning and Consenting Trends
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Small hydro from idea to operation
Employment Study Human resources for hydro Realistic growth – Normal curve Growth in workforce defines upper limit in
hydro deployment
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Small hydro from idea to operation
Employment Study
Graph by Jamie Wallace, Highland Eco-Design
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2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
Full-
time
Equi
vale
nt J
obs
GlobalUKScotland-wide (Baseline)Scotland-wide (10%)Scotland-wide (12%)Local
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Small hydro from idea to operation
Cumulative Normal Curves
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Small hydro from idea to operation
Cumulative Normal Curves
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Small hydro from idea to operation
Cumulative Normal Curves
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Small hydro from idea to operation
Cumulative Normal Curves
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Small hydro from idea to operation
Degression
10%
20%
5%
2.5%
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Small hydro from idea to operation
Influences Sites Grid Revenue support Funding Rents Environment
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Small hydro from idea to operation
Conclusion 997MW total capacity, mostly in 100-
500kW band 384MW has no known barrier We predict around 112MW deployment
between now and 2020 5% degression probably for >10 years 10% degression likely on occasion
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Small hydro from idea to operation
Influences Sites Grid Revenue support Funding Rents Environment