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Energies 2017, 10(5), 632; doi:10.3390/en10050632

Case Study on the Socio-Economic Benefit of Allowing Active Power Curtailment to Postpone Grid Upgrades

1
SINTEF Energy Research, NO-7465 Trondheim, Norway
2
Agder Energi Nett AS, NO-4848 Arendal, Norway
*
Author to whom correspondence should be addressed.
Academic Editor: Josep M. Guerrero
Received: 22 December 2016 / Revised: 22 March 2017 / Accepted: 28 April 2017 / Published: 5 May 2017
(This article belongs to the Special Issue Sustainable and Renewable Energy Systems)
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Abstract

The penetration of distributed generation is rapidly increasing in the power system. Traditionally, a fit-and-forget approach has been applied for grid integration of distributed generation, by investing in a grid capacity that can deal with worst-case situations. However, there is now increasing interest for the possible cost savings that can be achieved through more active network management. This paper presents a case study on the possible socio-economic benefit of postponing a grid upgrade in an area of surplus generation. Two alternatives for grid integration of an 8 MW run-on-river hydro power plant in the southern part of Norway are investigated: (i) grid upgrade; and (ii) active power curtailment whenever needed to avoid network congestion. This study shows that cost savings corresponding to 13% of the investment cost for the grid upgrade is possible through active power curtailment. View Full-Text
Keywords: active power curtailment; network planning; cost-benefit analysis; case study active power curtailment; network planning; cost-benefit analysis; case study
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kolstad, M.L.; Wolfgang, O.; Josefsen, R.H. Case Study on the Socio-Economic Benefit of Allowing Active Power Curtailment to Postpone Grid Upgrades. Energies 2017, 10, 632.

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