Fast Facts
| Trading Licence | Mandatory for wholesale and retail trading; issued by EWRC |
| EWRC Licensing Timeline | Typically 3 to 6 months from complete application |
| Minimum Financial Resources | Special bank account of at least 1/24 of annual turnover, not less than approximately EUR 76,700 |
| IBEX one-off Access Fee | EUR 6,136 |
| IBEX Annual Fixed Fee | EUR 12,270 |
| Energy Transition | Coal phase-out targeted; replaced by rapid PV and BESS deployment |
Bulgaria Power Market Fundamentals
Bulgaria operates a partially liberalised hybrid market. Business consumers are on the free market, while residential consumers remain under regulated tariffs. The wholesale market is organised as a single bidding zone under EWRC oversight.
IBEX is the sole exchange platform where generators of 500 kW or more must offer their energy.
Installed solar capacity has nearly doubled to over 5 GW. Bulgaria ranks #1 in the world for battery energy storage (BESS) penetration relative to total installed capacity and electricity consumption.
Bulgaria has historically been a regional power exporter, though net exports have decreased by around 71% to approximately 1 TWh as coal generation declines and renewables expand.
When Is a Licence Required in Bulgaria's Power Market?
Wholesale market participants need an electricity trading licence from EWRC.
Physical trading also requires a balancing contract with the TSO, Electricity System Operator EAD (ESO), including the necessary financial guarantees for BRP registration.
Power exchange participation requires a trading licence, active status with ESO, an ACER REMIT code and IBEX admission. Traders must also register with ESO to be added to the official list of market participants.
What Are Bulgaria's Power Market Licence Requirements for EU and Non-EU Entities?
EU-based traders must obtain a Bulgarian electricity trading licence from EWRC, the energy regulator, but do not need a Bulgarian establishment for licensing purposes.
Non-EU and Swiss-based traders must first set up a local subsidiary or branch in Bulgaria, or in another EU state. Once established, they follow the same licensing, balancing and exchange-registration steps as any other trader.
All traders, EU and non-EU alike, must maintain a special bank account with a minimum balance of €76,700 and provide collateral to ESO and IBEX.
Balancing in the Bulgaria Power Market
ESO is Bulgaria's TSO and manages the balancing market through a central dispatch model. It procures reserves through daily tenders, operates the central balancing mechanism and acts as counterparty for balancing energy transactions.
Every participant must act as a Balance Responsible Party or join an existing balancing group.
Bulgaria moved to a single clearing price for imbalances and removed regulatory price caps.
Transmission Capacity in the Bulgaria Power Market
ESO manages cross-border transmission capacity and is expanding interconnections toward a 10 GW capacity target by 2030. Romania and Greece are coupled through the Single Day-Ahead Coupling.
Forward and daily capacity on the Serbian, Macedonian and Turkish borders is allocated through explicit auctions by JAO or directly through TSO platforms. Intraday capacity is implicitly allocated through the IDM platform as part of the Single Intraday Coupling.
Participants must submit schedules to ESO's Market Management System (MMS) in EET/CET time.
Bulgaria Power Market Exchange(s)
IBEX is Bulgaria's NEMO and single power exchange, operating spot, forward and bilateral-registration platforms. Day-ahead and intraday markets are coupled with EU markets through SDAC and SIDC.
The Bilateral Contracts Market offers standardised Base, Peak and Off-peak products through an auction mechanism.
Admission requires an EWRC licence, ESO registration, an ACER code and mandatory IBEX training. Minimum collateral is approximately EUR 25,500 for spot markets and EUR 38,500 for forward markets, with one-off and annual IBEX fees also applying.
5 Market Entry Steps for Bulgaria Power Market
- 01Obtain an electricity trading licence from EWRC.
- 02Register with ESO and obtain an EIC and MMS access.
- 03Sign a balancing contract with ESO and provide collateral.
- 04Register as a participant on IBEX.
- 05Provide IBEX guarantees and complete mandatory trader training.
- Post-Market Entry Reporting Obligations.
CorreggioNET, Bulgaria Power Market Access Report
Market Access Reports: CorreggioNET offers Pre-Market Entry Reports (PMER) as part of the PMER Library, providing firms with an A-to-Z guide for market entry.
CorreggioNET Alert Service: Helps you never miss a reporting obligation. Note that Bulgaria has multiple power market reporting obligations across EWRC, ESO, and Intrastat, in a complex and rapidly evolving regulatory landscape with a fast-growing renewables sector. The Alert Service ensures you never miss a deadline.
CorreggioNET Hotline: For your time-sensitive queries, the Regulatory Hotline Service provides direct support through an online interaction with a qualified regulatory specialist.
Consulting Solutions: For those firms which require additional assistance, Correggio Consulting is on hand to assist with all your licensing needs:
- Market entry & registration in Bulgaria (EWRC Licensing);
- ESO onboarding;
- IBEX Exchange Registration;
- Cross-border capacity (JAO / SEE CAO);
- Corporate structuring;
- EFET contract negotiation.
- Yearly compliance audits
Market Info
Stay Compliant After Market Entry
Entering a new market is only the beginning.
Once trading activity starts, the real challenge is staying compliant with ongoing regulatory updates and reporting obligations. CorreggioNET supports this post-market entry stage through its regulatory platform and monitoring services.
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