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Hydropower Design under Uncertainties

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With the Energy Strategy 2050, Switzerland wishes to focus on balanced utilization of hydropower potentials and new renewable energy sources to cope with nuclear energy phasing out. Integration of large amounts of new renewable energies such as wind and so ...

2018

Four decades of hindsight into a complex hydropower system

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Hydropower systems often operate in contextual conditions quite different from those for which they have been planned for. Often, the pace at which the changes occur does not invite operators to analyse their long-term effects and quantify the resilience o ...

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Hydropower plants are still the most important renewable energy resource worldwide. Hydropower is also the most efficient electricity production and has a very high flexibility in combination with reservoirs. Nevertheless, the construction of hydropower pl ...

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Assessment of hydropower potential in wastewater systems and application to Switzerland

Anton Schleiss, Luca Rossi, Pedro Filipe De Almeida Manso, Philippe Heller, Irene Almeida Samora

Energy recovery through local hydropower generation is a way of coping with high electricity expenditures in wastewater systems (WWS). Installing small hydropower plants within WWS is already in some countries eligible for incentive policy mechanisms to re ...

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Modification of hydropower storage operation to cope with climate change effects in Switzerland.

Hydropower is the main energy source in Switzerland and its development during last century followed increasing electricity consumption from households, industries, and rail transportations. Nowadays, the development of new important infrastructures is mor ...

2017

Part Load Vortex Rope as a Global Unstable Mode

François Avellan, François Gallaire, Simon Pasche

Renewable energy sources (RES) have reached 23.7% of the worldwide electrical generation production in 2015. The hydraulic energy contribution amounts to 16.6% and comes mainly form large-scale hydropower plants, where Francis turbines represents 60% of th ...

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As part of its ambitious long term energy strategy, Switzerland plans to phase out nuclear power production and replace most or all of its significant share of national electricity production (40%) by renewables, in particular by photovoltaics (PV) and win ...

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Optimization of low-head hydropower recovery in water supply networks

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Water supply networks in cities with sloping topography may have a considerable potential for the installation of micro hydropower plants. Since these water supply networks are complex systems with many constraints, the identification of the best locations ...

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Scarcity Mitigation and Risk-Averse Clearing Model in the Swiss Reserve Market

Farzaneh Abbaspourtorbati

This paper presents a real-world application of stochastic programming in the Swiss hydro-based system. The seasonal hydrological conditions may cause insufficient market volume to an extent that security criteria (i.e., the criteria determining of reserve ...

Ieee2016

The future of energy efficient buildings: learning from the past

Changes in building design during the twentieth and twenty-first centuries have been largely focussed on driving safety and reducing capital expenditure, with less attention given to improvements in building energy efficiency. However, energy efficiency in ...

Villigen PSI, World Resources Forum, printed by Paul Scherrer Institute2015