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The case for energy storage installations at high rate EV chargers to enable solar energy integration in the UK – An optimised approach

The case for energy storage installations at high rate EV chargers to enable solar energy integration in the UK – An optimised approach
The case for energy storage installations at high rate EV chargers to enable solar energy integration in the UK – An optimised approach

Solar energy installations face ever more constrained networks, hindering easy and effective installation of low carbon technologies onto the grid in the UK. However, they are critical for the advancement to a low carbon society. There is a need, therefore, to provide means which enable easier installation of solar energy. By co-locating solar energy with high rate electric vehicle chargers (HREVCs) it is proposed that the grid can be by-passed, thus providing low carbon energy directly to EVs. For an effective system an off-vehicle energy store (OVES), which enables matching of supply with demand, must be included. This paper introduces a model of an HREVC with integrated OVES and optimises the design variables for maximum profit and minimum energy exchanged with the grid. By addressing these issues, the author's model will help inform EV infrastructure designers and policy makers. It is found that the addition of an OVES increases the profit for systems installed where the grid connection cost is high. Indeed, the value of this improvement provides a more profitable business model for energy storage than other energy storage project revenue streams currently successful in the UK (0.5–3 £ m/MWh/year compared to 50,000–200,000 £ k/MWh/year).

Electric vehicle, Energy storage, High rate charging, Optimisation, Renewable energy
2352-152X
435-444
Hilton, George
fd332562-ee82-4b62-b99c-0d0ee2e06ca1
Kiaee, Mahdi
1d965346-f270-4093-b4d8-6348c0f8ec95
Bryden, Thomas
451e1fd4-25ab-4771-9e69-0598acf6d626
Cruden, Andrew
ed709997-4402-49a7-9ad5-f4f3c62d29ab
Mortimer, Alan
6c7de6c9-6926-4830-a8eb-6cf38d28287a
Hilton, George
fd332562-ee82-4b62-b99c-0d0ee2e06ca1
Kiaee, Mahdi
1d965346-f270-4093-b4d8-6348c0f8ec95
Bryden, Thomas
451e1fd4-25ab-4771-9e69-0598acf6d626
Cruden, Andrew
ed709997-4402-49a7-9ad5-f4f3c62d29ab
Mortimer, Alan
6c7de6c9-6926-4830-a8eb-6cf38d28287a

Hilton, George, Kiaee, Mahdi, Bryden, Thomas, Cruden, Andrew and Mortimer, Alan (2019) The case for energy storage installations at high rate EV chargers to enable solar energy integration in the UK – An optimised approach. Journal of Energy Storage, 21, 435-444. (doi:10.1016/j.est.2018.12.012).

Record type: Article

Abstract

Solar energy installations face ever more constrained networks, hindering easy and effective installation of low carbon technologies onto the grid in the UK. However, they are critical for the advancement to a low carbon society. There is a need, therefore, to provide means which enable easier installation of solar energy. By co-locating solar energy with high rate electric vehicle chargers (HREVCs) it is proposed that the grid can be by-passed, thus providing low carbon energy directly to EVs. For an effective system an off-vehicle energy store (OVES), which enables matching of supply with demand, must be included. This paper introduces a model of an HREVC with integrated OVES and optimises the design variables for maximum profit and minimum energy exchanged with the grid. By addressing these issues, the author's model will help inform EV infrastructure designers and policy makers. It is found that the addition of an OVES increases the profit for systems installed where the grid connection cost is high. Indeed, the value of this improvement provides a more profitable business model for energy storage than other energy storage project revenue streams currently successful in the UK (0.5–3 £ m/MWh/year compared to 50,000–200,000 £ k/MWh/year).

Full text not available from this repository.

More information

Accepted/In Press date: 11 December 2018
e-pub ahead of print date: 19 December 2018
Published date: 1 February 2019
Keywords: Electric vehicle, Energy storage, High rate charging, Optimisation, Renewable energy

Identifiers

Local EPrints ID: 429241
URI: https://eprints.soton.ac.uk/id/eprint/429241
ISSN: 2352-152X
PURE UUID: a7ab4959-c32d-44b2-aef5-66672576cb2e
ORCID for Mahdi Kiaee: ORCID iD orcid.org/0000-0002-4169-7188
ORCID for Andrew Cruden: ORCID iD orcid.org/0000-0003-3236-2535

Catalogue record

Date deposited: 22 Mar 2019 17:30
Last modified: 20 Jul 2019 00:42

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