Insights

Expansion & Growth The Electricity System Operator (ESO) is planning a significant expansion, evidenced by the potential creation of around 20,000 jobs in 2024. This indicates a substantial increase in infrastructure development and operational capacity, offering opportunities to supply technology, equipment, and services related to large-scale power grid improvements and labor force scaling.

Innovative Services ESO is developing pioneering balancing services aimed at enabling businesses and households to modulate their electricity usage during peak times. This opens avenues for vendors of demand-response solutions, smart grid technologies, and energy management platforms to collaborate on scalable, regulatory-compliant programs.

Strategic Partnerships The company's recent partnerships with Capgemini Consulting and Tata Steel showcase a focus on digital transformation and grid modernization. This signals a potential market for consulting, cybersecurity, and industrial solution providers to engage in ongoing projects and future innovations with ESO.

Regulatory & Security Focus With ESO working with the National Cyber Security Centre to develop security frameworks for pilot projects, there is a clear demand for advanced cybersecurity solutions, compliance consulting, and secure communication technologies tailored for critical energy infrastructure.

Technology Adoption ESO's deployment of advanced systems like SAP/R3, SCADA, and GIS demonstrates a commitment to cutting-edge asset management and grid monitoring technologies. Suppliers of smart technology solutions, data analytics, and integration services can find opportunities to support the company’s ongoing digital and operational initiatives.

Electricity System Operator (ESO) EAD Tech Stack

Electricity System Operator (ESO) EAD uses 8 technology products and services including cdnjs, jsDelivr, Google Fonts API, and more. Explore Electricity System Operator (ESO) EAD's tech stack below.

cdnjs

Content Delivery Network

jsDelivr

Content Delivery Network

Google Fonts API

Font Scripts

Highcharts

Javascript Graphics

Moment.js

Javascript Libraries

jQuery

Javascript Libraries

PHP

Programming Languages

Google Analytics

Web Analytics

Electricity System Operator (ESO) EAD Email Formats	Example	Percentage
First.Last@tso.bg	John.Doe@tso.bg	85%
FLast@tso.bg	JDoe@tso.bg	15%

Electricity System Operator (ESO) EAD Email Formats

Example

Percentage

First.Last@tso.bg

John.Doe@tso.bg

85%

FLast@tso.bg

JDoe@tso.bg

15%

Frequently Asked Questions

Where is Electricity System Operator (ESO) EAD's headquarters located?

Electricity System Operator (ESO) EAD's main headquarters is located at bulevard Tsar Boris III 201, Sofia, Sofia City 1618, BG. The company has employees across 2 continents, including EuropeNorth America.

What is Electricity System Operator (ESO) EAD's phone number?

You can contact Electricity System Operator (ESO) EAD's main corporate office by phone at

+359-2-969-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Electricity System Operator (ESO) EAD's official website and social media links?

Electricity System Operator (ESO) EAD's official website is eso.bg and has social profiles on LinkedIn Crunchbase.

What is Electricity System Operator (ESO) EAD's NAICS code?

Electricity System Operator (ESO) EAD's NAICS code is 211 - Oil and Gas Extraction.

How many employees does Electricity System Operator (ESO) EAD have currently?

As of October 2025, Electricity System Operator (ESO) EAD has approximately 1K employees across 2 continents, including EuropeNorth America. Key team members include Chief Accountant (manager Chief Accountant Department): R. K.Head Of Transmission Network Assets Division: M. M.Head Of Division: D. S. D.. Explore Electricity System Operator (ESO) EAD's employee directory with LeadIQ.

What industry does Electricity System Operator (ESO) EAD belong to?

Electricity System Operator (ESO) EAD operates in the Oil and Gas industry.

What technology does Electricity System Operator (ESO) EAD use?

Electricity System Operator (ESO) EAD's tech stack includes cdnjsjsDelivrGoogle Fonts APIHighchartsMoment.jsjQueryPHPGoogle Analytics.

What is Electricity System Operator (ESO) EAD's email format?

Electricity System Operator (ESO) EAD's email format typically follows the pattern of First.Last@tso.bg. Find more Electricity System Operator (ESO) EAD email formats with LeadIQ.

When was Electricity System Operator (ESO) EAD founded?

Electricity System Operator (ESO) EAD was founded in 2007.

Electricity System Operator (ESO) EAD

Oil and GasBulgaria1001-5000 Employees

The Electricity System Operator EAD (“ESO”) was established on 4 April 2007 as a subsidiary of the National Electricity Company (“NEK”). On 4 February 2014, the unbundling of ESO from NEK went through its last stage in line with the Third Liberalization Package. This has been the final step needed to reach compliance with Directive 2009/72/EC and the national legislative provisions. ESO is responsible for the common operational planning, coordination and control of the Bulgarian power system and its parallel synchronous operation with neighbouring systems. Its purviews also include transmission grid operation, maintenance and reliable functioning, auxiliary network servicing, as well as maintenance and repair services in the energy sector. It also manages the power transit through the national grid and runs the electricity market.

In performing parallel synchronous operation with ENTSO-E, ESO, being a key partner in the Balkan region, constantly strives to achieve higher transmission efficiency and asset management performance by introducing and using the newest methods of planning, maintenance and monitoring. The company has deployed an asset management system (SAP/R3), Supervisory Control and Data Acquisition System (SCADA), and Geographic Information System (GIS).

"Elektroenergien Sistemen Operator"/"Electricity System Operator" EAD is certified as an Independent Transmission Operator (ITO). CERTIFICATE OF INDEPENDENT TRANSMISSION OPERATOR Nr. С-7/05.11.2015.

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