What Transelectrica does

Transelectrica (Compania Națională de Transport al Energiei Electrice Transelectrica S.A.) is Romania's state-owned, legally mandated sole electricity transmission system operator, managing the high-voltage backbone of the National Power System (SEN) — over 8,000 km of 400/220/110 kV lines plus transformer stations and cross-border interconnections with Ukraine, Moldova, Serbia, Bulgaria, and Hungary. Incorporated in 2000 via Government Decision No. 627 (reorganizing the former CONEL) and listed on the Bucharest Stock Exchange since 2006 (BVB:TEL), the company holds ANRE License No. 161 / newly issued License 2706/02.12.2025 for transmission and system operations. Its product portfolio comprises (1) the core regulated electricity transmission service, (2) system-operator services including real-time balancing of the SEN, (3) market platforms — Balancing Market, Ancillary/Technological System Services Market, Capacity Allocation on interconnection lines, Green Certificates Market, and metering-operator services through OMEPA — and (4) support-scheme administration for high-efficiency cogeneration and Contracts for Difference. Technology assets include Romania's first STATCOM reactive power compensation system and first 5-level voltage transformation station (Sibiu Sud), HVDC capability being developed for the Black Sea submarine cable, and a pilot prosumer energy forecasting application. Transelectrica reported FY2025 operational revenues of RON 5.5 billion and Q1 2026 operational revenues of RON 721 million (+23% YoY), with Q1 2026 net profit of RON 201 million (+27% YoY) and a 2026 investment program of RON 914 million, up over 30% YoY.

The company monetizes almost entirely through ANRE-regulated transmission tariffs (over 90% of revenue) plus ancillary services and cross-border interconnection fees; the customer base is structurally concentrated on the four regional distribution operators (Rețele Electrice, Delgaz Grid, DEER, Distribuție Energie Oltenia) and inter-TSO partners. Capital structure is dominated by the Romanian state (58.69% via the Secretariatul General al Guvernului), with PAVAL Holding (6.48%) and Fondul de Pensii NN (5.47%) the largest non-state holders. The Romanian state, as both owner and regulator, creates a dual position that yields tariff stability but also political exposure visible in the 2024 directorate selection irregularities and ongoing arbitration with former directorate members. Go-to-market is non-commercial by design: as a regulated monopoly, growth is driven by ANRE-approved tariff adjustments, EU-funded modernization programs (Modernization Fund, NRRP-REPowerEU, Connecting Europe Facility), and structural demand from renewable integration and cross-border energy flows.

Name

Transelectrica

Legal name

Compania Națională de Transport al Energiei Electrice Transelectrica S.A.

Website

https://transelectrica.ro

Company type

Public

Founded year

2000

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Romania's state-owned, sole electricity transmission system operator, managing 8,000+ km of high-voltage lines and operating the National Power System, balancing, ancillary, capacity allocation, and metering markets under ANRE-regulated tariffs.

Ownership category

akta.pro rank

Product category

Electricity Transmission Services

NAICS

Electric Bulk Power Transmission and Control (221121), Electric Power Transmission, Control, and Distribution (22112)

SIC

Electric Services (4911)

akta.pro primary industry

National & Regional TSOs (ISO/RTO/Grid Operators) (EUADAAAA)

akta.pro secondary industries

Transmission Substations & High-Voltage Switchyards (EUADAAAF), HVAC Transmission Lines (EHV/UHV Overhead & Underground) (EUADAAAD), Cross-Border Interconnectors & Regional Transmission Coordination (EUADAAAB), Substation Systems & Integration (EPC, Engineering, Protection, Commissioning) (IMAGAAAC), Testing, Commissioning, Maintenance & Retrofit/Modernization (Substations/Switchgear) (EUADACAL)

Keywords

• Electricity transmission services
• Grid system operations
• Power infrastructure management
• Balancing market services
• Cross-border interconnection

Headquarters

HQ city

Bucharest

HQ country

Romania

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Personnel, Operations, Technology or R&D

Revenue model

1. Transmission Tariffs: Regulated transmission tariffs approved by ANRE (Romanian Energy Regulatory Authority). Transmission tariffs account for over 90% of company revenues. Tariff increases of approximately 10% were approved effective January 1, 2026.
2. Ancillary Services: Revenue from balancing services and system stability services provided to the national power grid.
3. Cross-border Interconnection: Revenue from electricity exchange and interconnection capacity with neighboring countries including Ukraine, Moldova, Serbia, Bulgaria, and Hungary.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Transelectrica operates and maintains Romania's national high-voltage electricity transmission network (over 8,000 km of 400 kV, 220 kV, and 110 kV lines) and functions as the country's sole transmission system operator. The company provides electricity transmission services under ANRE-regulated tariffs, operates the balancing market, ancillary services market, capacity allocation, metering services (OMEPA), and administers renewable energy support schemes including green certificates and Contracts for Difference.

Product overview

Transelectrica operates as Romania's sole electricity transmission system operator, functioning as a regulated monopoly under government-granted status. The company offers a unified platform of interconnected services centered on electricity transmission infrastructure and grid management. Core offerings include: (1) Transmission Operator Services - operation and maintenance of over 8,000 km of high-voltage lines under ANRE-regulated tariffs; (2) System Operator Services - real-time management of the National Power System; (3) Electricity Market Services - the Balancing Market, Metering Operator (OMEPA), Ancillary Services Market, Green Certificates Market, and Capacity Allocation Market on interconnection lines; (4) Support Services - High Efficiency Cogeneration administration and Contracts for Difference. The company also developed a Prosumer Energy Forecasting Application as a pilot project. All services operate under ANRE License No. 161 and comply with EU Regulation 2019/943 and related network codes.

Differentiator

Problem solved

Functional benefit

Products and services

• Electricity Transmission Service Operation, maintenance, and development of the Romanian electricity transmission network, managing over 8,000 km of high-voltage lines (400 kV, 220 kV, 110 kV). Core regulated service generating over 90% of revenues through ANRE-approved transmission tariffs.
• System Operator Services Operative and operational management of Romania's National Power System (SEN), ensuring real-time balance between electricity generation and consumption, grid stability, and system security.
• Balancing Market Platform for managing electricity imbalances between scheduled and actual generation/consumption. Participants submit offers for balancing energy, and Transelectrica dispatches resources to maintain system equilibrium.
• Metering Operator (OMEPA)
• Ancillary Services Market Market for technological system services including reactive power compensation, voltage control, and other services required for secure grid operation.
• Green Certificates Market Platform for trading green certificates supporting renewable energy production in Romania.
• Capacity Allocation Market Market for allocating transmission capacity on interconnection lines with neighboring countries, facilitating cross-border electricity trade within the European network.
• High Efficiency Cogeneration Support Scheme Support scheme administration for high-efficiency cogeneration (combined heat and power) facilities.
• Contracts for Difference Contract for Difference (CfD) mechanism administration supporting investment in new generation capacity.
• Prosumer Energy Production Forecasting Application Pilot application launched August 2024 for forecasting electricity produced by prosumers (distributed energy generators). Uses predictive analytics to estimate production patterns to support grid management as prosumers become a larger share of the national energy system.

Quantifiable outcome

• Over 30% increase in investment program for 2026 (RON 914 million vs RON 691 million in 2025)
• +2 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature3 records

Partnerships

Ten partnerships are on record, tiered core, major and supporting.

• Delgaz Grid SAcoreStrategic or Co-development Partner · 22 May 2026Partnership in Smart Grid CARMEN Project alongside ESO Bulgaria, securing approximately €207 million in total funding with €104 million from the EU Connecting Europe Facility. The project aims to modernize and digitalize electricity transmission and distribution networks across six counties in Romania.
• ESO (Bulgaria)coreStrategic or Co-development Partner · 22 May 2026Partnership in Smart Grid CARMEN Project with Romanian partners, securing EU funding for cross-border smart grid modernization between Romania and Bulgaria to increase renewable energy integration capacity.
• Georgian State Electrosystem JSCcoreStrategic or Co-development Partner · 4 February 2026MoU signed for Georgia-Romania Black Sea Submarine Cable interconnection project, a high-voltage direct current (HVDC) link of approximately 1,200 km. Project added to EU's Projects of Mutual Interest list in December 2025, with estimated cost of €3.5 billion.
• Black Sea Energy Joint Venture (Azerbaijan, Georgia, Romania, Hungary)coreStrategic or Co-development PartnerJoint venture established in 2024-2025 to develop the Black Sea Submarine Cable Project, a 1,195 km subsea power link to transmit up to 1,000 MW of renewable electricity. Project granted European Project of Mutual Interest status in December 2025.
• Mass Global Energy RomcoreChannel Partner/ Reseller/ DistributorMass Global Energy Rom, controlled by Jordanian businessman Ahmad Ismail Saleh, is developing the 1,738 MW Mintia combined cycle power plant. Transelectrica signed contract for transformer installation necessary to connect this plant, which would be the largest in the EU on a single site.
• Siemens Energy RomaniamajorImplementation/ SI/ Consulting PartnerLed a consortium for the $40 million Resita grid upgrade project, constructing a new 400 kV transformer station and modernizing existing 220/110 kV facility. Project supports Banat 400 kV Axis transmission line development.
• Electromontaj SAmajorImplementation/ SI/ Consulting PartnerJoint venture partner for construction of two major 400 kV power lines: Gădălin-Suceava (Romania's longest at 260 km) and Suceava-Bălți interconnection with Moldova. Contracts total approximately 821.7 million lei.
• Cancom RomaniasupportingTechnology or IntegrationContracted for network analyzers and IT infrastructure equipment for mobile, war-resistant data center project through Teletrans subsidiary, funded by over €8.4 million from RePowerEU.
• Synotech Global Services RomaniasupportingTechnology or IntegrationContracted for IT infrastructure equipment for mobile, war-resistant data center project.
• Datanet SystemssupportingTechnology or IntegrationContracted for security equipment for mobile, war-resistant data center project.

Scale indicators8 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• National Grid plc: UK-listed owner and operator of high-voltage transmission networks in Great Britain and the northeastern US. Comparable regulated transmission business with cross-border interconnections and grid modernization programs.
• TenneT Holding: Netherlands- and Germany-based TSO operating high-voltage grids across Northwestern Europe. Engaged in massive offshore HVDC and cross-border interconnectors, mirroring Transelectrica's Black Sea submarine cable initiative and EU funding dependencies.
• Terna S.p.A. Italian national electricity transmission system operator, listed on Borsa Italiana. Operates under an ANRE-equivalent regulated monopoly model with similar tariff-based revenue, high-voltage grid management, and cross-border interconnection responsibilities — the closest listed TSO analogue to Transelectrica.
• Ukrenergo: Ukraine's TSO and emergency cross-border customer of Transelectrica. Operates the Ukrainian high-voltage grid under wartime conditions with significant EU integration focus.
• MAVIR Hungarian Power System Operator: Hungary's national TSO and a partner in the Black Sea submarine cable JV with Transelectrica, Azerbaijan, and Georgia. A regional peer operating a smaller high-voltage network under similar regulatory and EU-aligned frameworks.
• Red Eléctrica de España (Redeia): Spain's national TSO, publicly listed and majority state-owned (via SEPAD). Operates the Spanish high-voltage grid under a regulated tariff model with significant renewable integration mandates — directly comparable business model and value proposition.
• RTE (Réseau de Transport d'Électricité): France's national TSO, wholly owned by EDF. Operates Europe's longest high-voltage network under a similar regulated monopoly framework with comparable cross-border interconnection roles across the European grid.
• ESO (Elektroenergien Sistemen Operator) Bulgaria: Bulgaria's electricity TSO and direct partner of Transelectrica in the CARMEN Smart Grid cross-border project (WX P6M6OJPE). Operates the Bulgarian high-voltage grid with similar regulatory exposure and EU-funding access.
• Polskie Sieci Elektroenergetyczne (PSE): Poland's national TSO, state-owned, operating the Polish high-voltage grid under a regulated monopoly analogous to Transelectrica. Both are Central/Eastern European TSOs sharing regulatory and EU funding dynamics.

Regional players

• Amprion GmbH: One of four German TSOs operating in Western/Central Europe, focused on offshore wind integration and HVDC interconnectors. Comparable technology stack (HVDC, STATCOM, grid digitalization) but operates in a different regulatory jurisdiction.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/transelectrica

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries2 records

Funding overview

Funding rounds1 record

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Transelectrica