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Hydropower with reservoirs is the only form of large-scale renewable energy storage in wide commercial use today. Pumped storage hydropower plants (PSP) are designed to lift water to a reservoir at higher elevation when the electricity demand is low or when prices are low, and turbine water to produce electricity when the demand is high and/or prices are high. PSP are often designed with a relative high capacity to operate in turbine or pumping mode only for some hours each. They often use artificial reservoirs with limited capacity of storing water. Environmental impacts of hydropower and pumped storage plants are related to impacts of flooding land to create a reservoir, the barrier effect disturbing the connectivity in the river and impacts on the flow regime and related ecosystem downstream from the dam.
Estfeed project built a software platform capable to integrate many data sources and to provide appropriate services to convert these data into valuable information for energy flexibility management, energy efficiency, audit and benchmarking.
Within the European Commission funded Market4RES project, the consultancy company 3E N.V. assessed empirically the challenges and issues of increasing RES-E penetration for the short-term, medium and long-term electricity markets. This was carried out through a selection of case studies that cover three different market regions with different RES-E penetration levels in the European electricity market with a focus on the Nordel system, Central-Western European system and the Iberian system.
The aim of the FP7 project OPTIMATE was to develop a simulation platform, i.e. to develop market simulation tools, with the aim to cope with massive renewable energy integration into the EU network.
The European Union, in its backing for renewable energy integration , especially wind power, launched in April 2010 the TWENTIES (“Transmission system operation with large penetration of Wind and other renewable Electricity sources in Networks by means of innovative Tools and Integrated Energy Solutions”) Project, an initiative whose objective is to significantly advance in developing and accelerate the deployment of innovative solutions based on power system technologies with novel network architectures which facilitate the widespread integration of wind power generation into the European electricity system.
REserviceS (Economic grid support from variable renewables) is the first study to investigate wind and solar based grid support services at EU level. It provides technical and economic guidelines and recommendations for the design for a European market for ancillary services, as well as for future network codes within the Third Liberalisation Package.
The aim of the IEE-EU project Market4RES is to investigate the potential evolution of the EU electricity Target Model in order to secure the European power system decarbonisation with large amounts of renewables.
The achievement of the European Union’s energy target for 2020 and beyond requires extensive electricity system planning and investments. In this context, GridTech aims at conducting a fully integrated assessment of new grid-impacting technologies and their implementation into the European electricity system.
If the political goal of achieving a truly integrated Internal Energy Market goes beyond the energy-only market model, the roll-out of GSS market models throughout the EU must be considered. Therefore, the recommendations of the REserviceS project need to be taken into account, in particular in the revision of the EU-wide target model (TM) and specifically in the relevant network codes as well as in national grid connection requirements.
Networks in Germany do not only face structurally but also temporally different challenges. The former German Ministry for Economics and Technology (now Ministry for Economics and Energy) has instated a stakeholder working group called Smart Grids and Meters that includes several stakeholders from all E-Energy projects (E-DeMa, eTelligence, MeRegio, moma, RegModHarz and Smart Watts) and an accompanying research team that offered their project results to find new approaches to deduce an equilibrium between market and grid-dominated actions in a Smart Grid infrastructure.
The “Day-ahead design” study performed with the OPTIMATE platform aims at analyzing, for an isolated France-Belgium setup, the influence of two variables onto CO2 emissions, electricity prices and social welfare: the day-ahead closure time, thus allowing to discuss operational rules related to market closure conditions; and several load flexibility levels, thus allowing to contribute to the debate on market instruments for generation.
The first study on “Renewable energy support schemes” performed with the help of the OPTIMATE platform aims at contributing assess different market instruments for generation.
The cross-border management study performed with the OPTIMATE platform aims at comparing net transfer capacity (NTC) and zonal flow-based (FB) schemes for an isolated CWE setup. This change should contribute to improve Capacity allocation and Congestion management (CACM) towards a better EU market integration.
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