Bulgarian Standard Photovoltaic Energy Storage System

How many project proposals were submitted in Bulgaria's energy storage procurement procedure?

A total of 151 project proposals were submitted in Bulgaria’s standalone energy storage procurement procedure named RESTORE, which is seeking to support the construction and commissioning of renewable energy storage facilities with a cumulative minimum usable capacity of 3 GWh.

How much money has Bulgaria received for energy projects?

The Ministry of Energy of Bulgaria has received 151 project proposals worth nearly BGN 5 billion ($2.7 billion), more than four times the available funding.

When will a Bulgarian electricity project be implemented?

The investments under the procedure must be implemented and the facilities connected to the electricity transmission and distribution networks on the territory of Bulgaria and put into operation by March 2026. In May 2025, the degree of maturity of the projects and their implementation will be checked.

Will a battery energy storage system be integrated with renewable electricity plants?

Bulgaria already held the first two tenders for battery energy storage systems (BESS) that would be integrated with renewable electricity plants. Earlier this month, Renalfa IPP has started the commercial operation of its first utility-scale battery energy storage system.

What is a public call for energy storage?

The public call would be for individual projects for 10 MW to 300 MW in operating power and storage duration of at least two hours, translating to 20 MWh to 600 MWh in capacity. The scheme is aimed at supporting a minimum of 3 GWh in energy storage capacity Eligible costs are calculated from March 9, 2023 until March 31, 2026 at the latest.