How long should energy storage be in a Greek power system?

Considering the energy arbitrage and flexibility needs of the Greek power system, a mix of short (~2 MWh/MW) and longer (>6 MWh/MW) duration storages has been identified as optimal. In the short run, storage is primarily needed for balancing services and to a smaller degree for limited energy arbitrage.

Should Greece invest in energy storage facilities?

Currently there is a growing interest for investments in storage facilities in Greece. Licensed projects mostly consist of Li-ion battery energy storage systems (BESS), either stand-alone or integrated in PVs, as well as PHS facilities .

How many storage plants are there in Greece?

Currently there are four (4) storage plants operating in Greece, two open-loop pumped-hydro storage (PHS) stations in the mainland (700 ΜW in total) and two small hybrid RES-storage stations in non-interconnected islands (just 3 MW).

Why do we need cross-border transmission lines in Greece?

Additionally, developments of cross-border transmission lines support the EU Market integration as well as contribute to the security of supply. Greece, with its potential for renewable energy generation, can export clean energy to neighboring nations, contributing to regional sustainability goals and facilitate investments.

What percentage of Greek electricity consumption is residential?

Historically, residential and commercial-public sector comprise ~70% of total electricity consumption of Greek market. Electricity retail prices were historically consistent in the Greek market until 2021, with minor deviations in end-user prices year over year. upfront prices.