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Energies 2017, 10(12), 2054; https://doi.org/10.3390/en10122054

Norway as a Battery for the Future European Power System—Impacts on the Hydropower System

1
SINTEF Energy Research, Sem Sælands vei 11, NO-7465 Trondheim, Norway
2
NTNU, NO-7491 Trondheim, Norway
*
Author to whom correspondence should be addressed.
Received: 31 October 2017 / Revised: 23 November 2017 / Accepted: 24 November 2017 / Published: 4 December 2017
(This article belongs to the Special Issue Hydropower 2017)
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Abstract

Future power production in Europe is expected to include large shares of variable wind and solar power production. Norway, with approximately half of the hydropower reservoir capacity in Europe, can contribute to balance the variability. The aim of this paper is to assess how such a role may impact the Norwegian hydropower system in terms of production pattern of the plants, changes in reservoir level and water values. The study uses a stochastic optimization and simulation model and analyses an eHighway2050 scenario combined with increases in the hydropower production capacities in Norway. The capacity increases from ca. 31 GW in the present system to 42 and 50 GW respectively. The study uses 75 years with stochastic wind, solar radiation, temperature and inflow data. The results show that the hydropower system is able to partly balance the variable production and significantly reduce the power prices for the analyzed case. The paper shows that some of the power plants utilize their increased capacity, while other plants do not due to hydrological constraints and model limitations. The paper discusses how the modelling can be further improved in order to quantify more of the potential impacts on the future power system. View Full-Text
Keywords: balancing renewable energy sources (RES); hydropower with large reservoirs; large-scale pumped storage; stochastic optimization model; simulations; 75 years of historical data balancing renewable energy sources (RES); hydropower with large reservoirs; large-scale pumped storage; stochastic optimization model; simulations; 75 years of historical data
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Graabak, I.; Jaehnert, S.; Korpås, M.; Mo, B. Norway as a Battery for the Future European Power System—Impacts on the Hydropower System. Energies 2017, 10, 2054.

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