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The growth of renewable energy has an impact on the entire energy chain and sets new requirements to the electrical grid. For example, in the electricity market, price fluctuation will likely increase with increasing levels of wind energy. This also changes the business case for traditional power plants. Another example is that electricity grids need to be adapted: at low voltage levels as a result of the increase of solar feed-in; at medium voltage levels as a result of on-shore wind growth and at high voltage levels, as a result of the emergence of large-scale wind power from the North Sea.

 

The current generation of wind turbines and PV inverters are optimized for maximum power feed-in and much less on supportive ancillary services. Ongoing research on grid integration of renewable sources focuses on existing technology and not on its improvement as a mature power plant.

 

Key interest for customers is a reliable and cost-efficient integration of renewable energy into the grid. This is valid for many different parties in the value chain, such as grid operators, energy suppliers and energy producers. Through applied analysis of wind and solar integration and combinations of both, Energy Watch can contribute to this goal, leading to significant cost reductions. Energy Watch pursues cross-border improvements that contribute to a cost-efficient integration of renewable energy, while safeguarding power quality and security of supply.

 

The unique element of the solar & wind energy analysis is that it contains concrete proposals to improve predictability and utilization of the grid capacity, and support of the (local) network or congestion reduction through the use of ancillary services provided by renewables.