Aerial photograph of the Kazanlak photovoltaic power plant

BCI JSC / RENEWABLE ENERGY

Kazanlak, Bulgaria

Nothing outshines
the Sun.

Generating solar power. Storing its potential. Developing projects with long-term value.

Explore our projects

50 MWpphotovoltaic capacity

25 MWBESS power

50 MWhenergy storage capacity

Solar generation
and operational BESS

01THE COMPANY

From vision
to energy
in action.

BCI JSC is a Bulgarian company investing in renewable energy, with a focus on photovoltaic power plants.

We bring together local experience and engineering, technical, scientific and financial expertise. Alongside strategic partners, we deliver investment projects from their initial concept through commissioning and ongoing operation.

Our goal is to be among the leading companies generating green energy. Rising electricity demand and climate change put clean power at the heart of our long-term vision.

Company profile PDF · 9.6 MB

Professionalism

Quality service, a deep understanding of local structures, processes and legal and technical requirements, and experience working with regulators and international investors.

Responsibility

Care for the environment and support for local communities through long-term investment, new jobs and specialist training.

Innovation

Photovoltaic plants built with high-quality technologies for efficient electricity generation and environmental protection.

Market context in the company profile

The profile links rising electricity consumption and climate change to the need for clean generation. It describes carbon taxes and renewable-energy support mechanisms: priority grid connection, compulsory purchase periods, preferential prices, shorter procedures, simplified regimes and financial support. This is the context described in the company profile; the applicability of individual mechanisms depends on the project and the regulatory framework in force.

02OUR PROJECTS

Real assets.
A long-term horizon.

Generation, storage and development
in the heart of Bulgaria.

Aerial view of the Kazanlak solar power plant

In operation since July 2012

PHOTOVOLTAIC POWER PLANT

Kazanlak

Golyamo Dryanovo, Kazanlak, Bulgaria

A photovoltaic power plant with 50 MWp of total installed peak capacity, a 20/110 kV substation and an overhead power line. A project turning the region’s solar resource into clean electricity.

50MWp
installed capacity

Technical specifications

71 585 MWh

average annual generation

1 130 daa

plant area · 113 ha

93 060 t CO₂

fewer emissions annually

Generation and emissions figures: BCI company profile, 2026.

Technical specificationsModules, inverters, mounting and substation

Technical data I and II from the company profile
Parameter	Equipment I	Equipment II
Module manufacturer	Bosch	Recom Solar
Module type	Monocrystalline, 60-cell	Monocrystalline, 60-cell
Module output	240 / 250 Wp	315 Wp
Inverter type	Central	Central
Inverter models	SMA SC500HE-11 / SC630HE-11	TBEA TC2500KST
Mounting system	3 modules in landscape orientation	3 modules in landscape orientation
Substation	20/110 kV step-up	20/110 kV step-up
Substation equipment	ABB / Schneider Electric	ABB / Schneider Electric

INSTALLED & OPERATIONAL

Energy, ready
when it is needed.

The battery energy storage system (BESS) complements the Kazanlak solar power plant. It is installed and operational, with 25 MW of power and 50 MWh of energy storage.

25 MWpower

50 MWhcapacity

System equipment

PCS & MV Power Station TE5000KT-EL
5 stations × 5 MW

REPT BESS
10 battery containers; 5.015 MWh per container in the PDF technical specification. System capacity: 50 MWh.

REPT BESS · Equipment image from the company profile

PROJECT IN DEVELOPMENT

Kazanlak III

The next step: a 15 MWp solar power plant with 7.5 MW / 30 MWh BESS, a 20/110 kV substation and an overhead power line in Golyamo Dryanovo.

15 MWpPV capacity

7.5 / 30MW / MWh BESS

15 MVAown substation

Preliminary agreement with ESO EAD and a building permit.
Built engineering infrastructure with fencing, lighting and video surveillance.
In the immediate vicinity of the ESO substation.
Established on-site security and O&M team structure.

Site plan · Golyamo Dryanovo

Commercial opportunity: PPA

Opportunity for a long-term power purchase agreement (PPA).

03ON-SITE INFRASTRUCTURE

People, technology
and our own facilities.

Administrative building and warehouse
in Golyamo Dryanovo, Kazanlak.

BCI administrative building in Golyamo Dryanovo — Administrative building
**660 m²**

BCI warehouse in Golyamo Dryanovo — Warehouse
**1 080 m²**

04OUR SERVICES

One partner.
The entire lifecycle.

From acquiring the site to the
daily operation of the plant.

Project development

Establishing special purpose vehicles (SPVs).
Acquisition or lease of property for 30 years.
Obtaining construction permits.
Concluding contracts with the energy provider.

Construction support

Technical planning of the plant.
Specialised local subcontracting.

Operation management

Administrative and technical management during operation.
Additional support for plant operation.

Our full range of competencies

Legal, technical and economic analysis of current legislation and assessment of future regulatory changes.
Identification and selection of plant sites; purchase or rental of property.
Investment management and business case development.
Pre-project audits, market analysis and strategies in renewable energy.
Regulatory contacts, consultation and support.
Changing the designated use of land.
Obtaining construction permits.
Concluding the main grid connection agreement.
Obtaining the operation permit.
Plant planning and design.
Plant construction.
Engineering services.
Trial operation and testing.
Connection to the electricity grid.
Support for additional plant operating services.
Handover of a turnkey power plant.

OPERATION & MAINTENANCE

Care for every
megawatt. Every day.

24/7/365plant monitoring

Plant monitoring

Monitoring 24/7/365.
Weekly, monthly and annual reports.
Server access 24/7.

PV generator & medium voltage

Maintenance of the DC and AC sides of the plant.
Guaranteed availability.
Regular inspections and preventive maintenance.
Corrective maintenance and repairs.

Inverters & string boxes

Guaranteed availability.
Annual inspection and regular maintenance.
First-level support.

Administrative management

Provision and compliance with legal prerequisites for plant operation.
Operational management of relations with NEC and ESO.
Relations with local and municipal authorities.

Security & surveillance

Monitoring centre.
Guard and patrol services.
Regular inspections and preventive maintenance of security systems.

Performance Ratio guarantee

Performance Ratio guarantee for the entire plant.

05WAYS TO COOPERATE

Partnership built around
your investment.

Flexible models for development,
construction and operation.

Model and phase	Scope of cooperation	Risk allocation
DevelopmentEarly purchase of project rights	Cooperation begins during development under a development contract and ends with the purchase of project rights through an SPV, subject to due diligence and a predefined payment schedule.	Joint risk
DevelopmentLate purchase of project rights	Purchase of fully developed project rights through an SPV once BCI has obtained all licences, including the construction permit, and the buyer has approved the due diligence.	BCI JSC
ConstructionEPC services	Selected engineering, procurement and construction services from BCI JSC under predefined quality criteria.	BCI JSC / to be agreed
ConstructionTurnkey plant	Purchase of a turnkey power plant, delivered only in cooperation with selected EPC companies.	BCI JSC and the EPC company
ManagementOperation	Administrative and technical management during operation, with additional support.	BCI JSC / to be agreed