Bulgaria’s Maglizh solar project adds 36 MW battery storage to become a hybrid plant

Bulgaria’s Maglizh solar complex in the Stara Zagora region is upgrading its role in the power system by adding utility-scale storage. The expansion matters for investors and grid operators because it shifts the project from standalone solar generation toward a hybrid model designed to better balance output and support reliability as renewable penetration rises.

Battery storage commissioned for Maglizh solar

The newly commissioned battery energy storage system was developed through cooperation between Eurohold Bulgaria and renewable energy company 360 Energy, with delivery by ESCO Bulgaria. It adds 36 MW of power capacity and 72 MWh of storage capability to the existing Maglizh solar project, enabling the site to combine photovoltaic generation with advanced energy storage.

Site details and ownership structure

The facility is located near the village of Dabovo. The Maglizh complex already operates a solar plant with an installed capacity of 161 MW. The project is jointly owned by 360 Energy and Solaris Energy, a company connected to the principal shareholders of Eurohold Bulgaria.

Grid connection and operating timeline

The solar power plant entered commercial operation in September 2025. It is connected to Bulgaria’s national transmission network through operator ESO, positioning the hybrid upgrade to interact directly with the country’s grid infrastructure.

Expected output, emissions impact and financing

Developers say the facility is expected to generate enough electricity annually to supply more than 65,000 households. They also estimate that the renewable energy complex will reduce carbon dioxide emissions by approximately 200,000 tons per year, aligning with Bulgaria’s climate and clean energy objectives.

Financing was secured through a consortium of banks including UBB, Ascory Bank, Raiffeisen International Bank, Bulgarian Postbank and UniCredit Bulbank. Additional financial support came via Bulgaria’s National Recovery and Resilience Plan.

Why hybridization is gaining traction

The move toward large-scale battery technology reflects a broader European trend: renewable developers increasingly pair solar and wind assets with storage systems to improve balancing, strengthen grid stability, and enhance electricity network reliability. For projects like Maglizh, that shift can translate into greater operational flexibility as power systems seek more dependable performance from variable generation.