Climate Change and Energy Systems
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Climate Change and Energy Systems

Impacts, Risks and Adaptation in the Nordic and Baltic countries

Renewable energy sources contribute 16% of the global energy consumption and most nations are working to increase the share of renewables in their total energy budget, to reduce the dependence on fossil fuel sources. Most Nordic and Baltic countries have already surpassed the target set for EU countries by 2020, to produce 20% of energy use from renewables like hydropower, solar energy, wind power, bio-energy, ocean power and geothermal energy. This publication presents results from a comprehensive research project that investigated the effects of projected future climate change on hydropower, wind power and bioenergy in the Nordic and Baltic countries, with focus on the period 2020-2050. The research group investigated historical climate, runoff and forest growth data and produced climate scenarios for the region based on global circulation models. The scenarios were used as input in models forecasting changes in glacial meltwater production, basin-wide runoff, mean wind strength, extreme storm and flooding events and energy biomass production. Although the uncertainty in modelling results translates into increased risks for decision-making within the energy sector, the projected climate change is predicted to have a largely positive impact on energy production levels in the region, and energy systems modelling projects increased export of energy to continental Europe by 2020.

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Hydropower in Iceland. Impacts and Adaptation in a Future Climate You do not have access to this content

English
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  • http://www.keepeek.com/Digital-Asset-Management/oecd/environment/climate-change-and-energy-systems/hydropower-in-iceland-impacts-and-adaptation-in-a-future-climate_9789289330954-12-en
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Author(s):
Nordic Council of Ministers

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All of the largest hydroelectric power stations in Iceland are fed by glacial rivers. Over the last few decades some changes have been observed in both the volume and the seasonal distribution of river flows and further changes are expected in future climate. These changes will have impacts on the utilization and operation of existing power stations and should also be taken into account in the design of new ones. In order to be prepared for these changes, Landsvirkjun (The National Power Company) has analyzed the operation of its hydroelectric system with different expected "stationary" flow scenarios in the period 2010 to 2050.