PosterPDF Available

Economics of pooling small electricity prosumers – prosumer vs business as usual approach

Authors:

Abstract

In an earlier article the Authors modeled levelized cost of electricity (LCOE) and self-consumption levels in the UK for “prosumers” – entities/households that are producer and consumer of energy in one. Calculations were focused on wind and photovoltaic (PV) for six UK sites. [Kästel P, Gilroy-Scott B. Economics of pooling small local electricity prosumers – LCOE & self-consumption. 2015] Based on these results the poster presents the summary results of the analysis of the economics of pooling small local electricity prosumers with back-up access to the national grid and compares it to a business as usual (BAU) approach. The economic viability is assessed from a single prosumer point of view. The prosumer-model results are compared to the established electricity supply model . The economic advantage/disadvantage between the two approaches is measured as difference between annual and lifetime cost for a given electricity consumption. Modeling results indicated the economic feasibility of a prosumer approach. The number of variables used and combination thereof explained the range of modeling results. Whilst some variables are determined externally, others can be site and technology dependent or are controlled by the prosumers themselves. It can be concluded that a Prosumer-Approach could offer significant economic opportunities; yet adopting such an approach would necessitate/cause changes to market structures over time.
Economics(of(pooling(small(electricity(prosumers(–((
prosumer(vs(business(as(usual(approach!
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Introduc9on(
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Methodology(
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PV Identifier
PV generic IV1
PV generic IV1
PV generic CA2
PV generic CA2
PV generic YO24
PV generic YO24
PV generic KT2
PV generic KT2
PV generic SY23
PV generic SY23
PV generic TR14
PV generic TR14
LCOE
£/kWh
0.580
0.132
0.569
0.134
0.530
0.115
0.491
0.118
0.448
0.106
0.432
0.105
Advantage/
Disadvantage
yr 1
£/1000kWh/yr
Advantage/
Disadvantage
Project Life
£/1000kWh/yr
-£363.16 -£2,783.00 Min
£130.64 £4,507.61 Max
-£352.16 -£2,687.87 Min
£128.64 £4,465.61 Max
-£313.16 -£2,350.57 Min
£147.64 £4,864.61 Max
-£274.16 -£2,013.27 Min
£144.64 £4,801.61 Max
-£231.16 -£1,641.38 Min
£156.64 £5,053.61 Max
-£215.16 -£1,503.00 Min
£157.64 £5,074.61 Max
Wind Identifier
Enercon 33 45m KT2
Enercon 33 45m KT2
Enercon 33 45m YO24
Enercon 33 45m YO24
Enercon 33 45m CA2
Enercon 33 45m CA2
Enercon 33 45m IV1
Enercon 33 45m IV1
Enercon 33 45m SY23
Enercon 33 45m SY23
Enercon 33 45m TR14
Enercon 33 45m TR14
LCOE
£/kWh
Advantage/
Disadvantage
yr 1
£/1000kWh/yr
Advantage/
Disadvantage
Project Life
£/1000kWh/yr
£47.24 £852.38 Min
£277.04 £7,892.44 Max
£56.24 £930.22 Min
£278.04 £7,913.44 Max
£74.24 £1,085.90 Min
£280.04 £7,955.45 Max
£84.24 £1,172.38 Min
£281.04 £7,976.45 Max
£108.24 £1,379.95 Min
£284.04 £8,039.45 Max
£132.24 £1,587.52 Min
£287.04 £8,102.44 Max
LCOE
Production.
Credit
Inflation.
assumption
Cost.of.
Capital
Hierachy.1.
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Hierachy.2.
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Hierachy.3.
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Parameter up up up up up up up
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Hierachy.2.
Network.
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Hierachy.1.
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Back.up.Price.
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Sellback.Price.
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Grid.Price.
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0.030 – 0.206
0.028 – 0.188
0.027 – 0.178
0.024 – 0.154
0.021 – 0.130
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£3,000"
£4,000"
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0.033
0.042
0.051
0.06
0.069
0.078
0.087
0.096
0.105
0.114
0.123
0.132
0.141
0.15
Cost of capital %
Advantage/Disadvaantabe vs Grid £
LCOE £/kWh
Wind SY23 Class 1&3 H1 50 & H2 10%
£7,000-£8,000
£6,000-£7,000
£5,000-£6,000
£4,000-£5,000
£3,000-£4,000
£2,000-£3,000
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0.193
0.219
0.245
0.271
0.297
0.323
0.349
0.375
0.401
0.427
0.453
0.479
0.505
Cost of capital %
Advantage/Disadvantage vs Grid £
LCOE £/kWh
PV YO24 Class 1 H1 30% & H2 10%
£3,000-£4,000
£2,000-£3,000
£1,000-£2,000
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-£2,000--£1,000
-£3,000--£2,000
Discussion(
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