The participating countries report increasing shares of wind on average: 43% annual energy in Denmark, about 25% in Ireland, Portugal and in the province of Prince Edward Island in Canada, and more than 30% in Iowa, South Dakota, Kansas, and Oklahoma in the USA. During certain hours more than 100% instantaneous share has been achieved in Denmark and Portugal, more than 80% in Italy and Germany, and the island power system of Ireland has seen 79% of demand, against an allowable 65% share from non-synchronous sources.
The national case studies address several impacts of wind power on electric power systems. In this report, they are grouped under long-term planning issues and short-term operational impacts. Long-term planning issues include grid planning and capacity adequacy. Short-term operational impacts include reliability, stability, reserves, and maximising the value of wind in operational timescales (balancing related issues). The first section presents the variability and uncertainty of power system-wide wind power, and the last section presents recent wind integration studies for higher shares of wind power. The appendix provides a summary of ongoing research in the national projects contributing to Task 25 for 2018–2020.
|VTT Technical Research Centre of Finland
|Number of pages
|Published - 2019
|MoE publication type
|D4 Published development or research report or study
- grid integration
- wind integration
- electricity markets
- capacity value
- grid reinforcement