Anna FLESSA, Dipl.-Ing. Researcher of KEPA Aliki – Nefeli MAVRAKI, MSc.

1. Integrating distributed standby generators in a Virtual Power Plant Anna FLESSA, Dipl.-Ing. Researcher of KEPA Aliki – Nefeli MAVRAKI, MSc. Researcher of Climate Change unit, KEPA National and Kapodistrian University of Athens – Energy Policy and Development Centre

2. Contents • Objective • Benefits • Organization (2) • Investment Costs • Operation Costs • Funding • Implementation Stages National and Kapodistrian University of Athens – Energy Policy and Development Centre

3. Objective Organization, installation and operation of a VPP consisting of the already installed standby generators (G/S) to public and private facilities National and Kapodistrian University of Athens – Energy Policy and Development Centre

4. Benefits • Formation of peak reserve • Offset the intermittency of RES production • Low investment costs • Familiarization with “smart grids” National and Kapodistrian University of Athens – Energy Policy and Development Centre

5. Organization (1/2) • A fully automated (remote-management, financial statement) Control Centre (CC) in communication with the System Operator (SO) and the geographically distributed generators (G/S) • G/S of different installed capacity equipped with devices of sync, remote management and hierarchical operation National and Kapodistrian University of Athens – Energy Policy and Development Centre

6. Organization (2/2) Power Flow System Operator Load Reserve Power Flow Communication Protocol Virtual Power Plant Meter Control Centre Access & Activation Software … G/S1 G/S2 G/Sν National and Kapodistrian University of Athens – Energy Policy and Development Centre

7. Investment Costs • Zero cost of purchasing and installing G/S • Cost of the establishment of VPP operating entity • Cost of purchasing and installing automation for remote management, synchronization device, hierarchical operation per G/S • Cost of setting up Control Centre (Building, Building-Mechanical-Electronic equipment, software) National and Kapodistrian University of Athens – Energy Policy and Development Centre

8. Operation Costs • Commercial operation • Control Centre operation and maintenance • Availability of standby G/S (maintenance and operation) • Overheads National and Kapodistrian University of Athens – Energy Policy and Development Centre

9. Funding • Tariff policy (price per kWh, duration of contracts) • Funds from private sector or EU • Governmental subsidy National and Kapodistrian University of Athens – Energy Policy and Development Centre

10. Implementation Stages • Feasibility study • Inventory of G/S • Operation strategy (emergencies, offset RES, etc.) • Institutional context • Tariff policy • Studies • Technical • Economic • Commercial • Implementation • Organizational scheme (public, private) • Development - Construction – Testing • License - Contract • Operation of VPP National and Kapodistrian University of Athens – Energy Policy and Development Centre

11. Thank you for your attention E-mail: epgsec@kepa.uoa.gr Tel.: + 30 210 727 5732, +30 210 727 5809 National and Kapodistrian University of Athens – Energy Policy and Development Centre