This paper develops a bi-level optimization model for voluntary demand-side flexibility. The Distribution System Operator, in the Upper Level, maximizes welfare by investing in the network and setting the flexibility compensation. Consumers, in the Lower Level, can be prosumers and commercial...

There is a trend in regulatory practice towards exceptional incentives for exceptional investments. Italy and the US have the longest experience with a regulatory framework for strategically important investments that deviates from the default framework. In these countries, the incentives...

Capacity mechanisms have been controversial in theory as well as practice. Lessons from experience with different capacity mechanisms led to the development of the reliability options. This mechanism promises two advantages over other types of capacity mechanisms. Firstly, it ensures the...

The importance of independent aggregators has been acknowledged in the recently adopted EU Clean Energy Package (CEP). The CEP obliges all Member States to develop a regulatory framework to allow these players to enter the market, but it leaves many of the details of implementation to the...