The document summarizes highlights from Terna's fourth regulatory period from 2012-2015. Key points include:
- The regulator defined new rules for transmission, dispatching, and quality of service through several resolutions.
- The allowed grid fee was structured based on remuneration of the RAB, allowed opex, and depreciation. The base WACC was set at 7.4% with incentives for new investments.
- Dispatching activities and costs were moved from transmission to dispatching. A unitary tariff was set for dispatching.
- Quality of service incentives include potential premiums or penalties linked to technical KPIs like energy not supplied.