Toshiba's Repair Deal for Bulgarian Hydro Plant
Deal News | Jan 14, 2025 | CEE Legal Matters

CMS has advised Toshiba International on a critical repair and rehabilitation agreement with the Bulgarian National Electricity Company regarding the Chaira Hydro Complex. This agreement focuses on the pumped-storage hydro power plant Chaira Unit 1, which is part of the significant Belmeken-Sestrimo-Chaira Hydropower Cascade. PSHPP Chaira is a key infrastructure asset, equipped with a substantial generating capacity of 864 megawatts and a pumping capacity of 788 megawatts. The plant initially started its operations with Units 1 and 2 in 1995, boasting the largest head for a single-stage pump turbine globally at the time. Toshiba Energy Systems & Solutions Corporation, the equipment's original manufacturer and supplier, is responsible for the project’s technical documentation. CMS’s team, led by Managing Partner Kostadin Sirleshtov, includes counsel and associates specialized in such international strategic energy projects.
Sectors
- Energy
- Infrastructure
Geography
- Bulgaria – The agreement and the Chaira Hydro Complex are located in Bulgaria, involving the state-owned National Electricity Company.
Industry
- Energy – The article involves the repair and rehabilitation of a critical hydro power plant, a key component of the energy sector.
- Infrastructure – The project involves infrastructure of national importance in Bulgaria, highlighting its significance in energy production and storage.
Financials
Participants
Name | Role | Type | Description |
---|---|---|---|
Toshiba International | Manufacturer and Supplier | Company | Toshiba International is responsible for the equipment and technical documentation for the Chaira Hydro Complex. |
Bulgarian National Electricity Company | Owner | Government | A state-owned entity responsible for overseeing the Chaira Hydro Complex. |
CMS | Legal Advisor | Company | CMS provided legal advice to Toshiba International for the agreement with the Bulgarian National Electricity Company. |