1. Wind integration: experience, issues, and challenges
2. Kiviluoma J.: ‘Managing wind power variability and uncertainty through increased power system flexibility’. PhD thesis Aalto University 2013
3. Silva V.: ‘Value of flexibility in systems with large wind penetration’. PhD thesis Imperial College London 2010
4. Comparison of flexibility options to improve the value of variable power generation;Kiviluoma J.;Int. J. Sustain. Energy,2017
5. Evaluating and Planning Flexibility in Sustainable Power Systems