Registration of Electricity Commercialization Company
Registering as an electricity supplier: easy, fast and with guarantees
At Trebol Energy Group we help companies that want to become electricity traders, either in the free or regulatedeither in the free or regulated market. We take charge of the whole process: elaboration of the business planand start-up, technical, legal and regulatory procedures, so that you can set up your electricity to register your electricity supplier with security, speed and without unnecessary risks.
Advantages of working with Grupo Trebol Energía
- Direct access to the Spanish electricity market, with full capacity to buy and sell energy.
- Legal and regulatory support to CNMC, MITECO, OMIE and REE.
- Reduction of deadlines and minimization of administrative errors thanks to our experience in the sector.
- Comprehensive and continuous advice, from registration to the daily operations of your trading company.
How to create an electricity trading company step by step
- Define your business model: Preparation of a Business Plan to analyze financial requirements and estimate the profitability of the project.
- Initial formalities with official bodies: Registration with MITECO, REE and OMIE, essential to operate in the electricity market.
- Compliance with CNMC requirements: Provision of financial guarantees, registration in the registry of electricity supply companies and obtaining the R2 code.
- Fiscal and administrative requirements: Company deeds, web page, toll-free telephone number and certificate of Electricity Tax at the Tax Office.
- Registration with distributors: Necessary step for customer switching and access to the network.
- Management and invoicing systems: Implementation of specialized software for operational management: from switching and balance sheets to invoicing and reporting.
With Trebol Energy Groupeach phase is developed with expert support, ensuring regulatory compliance and maximum efficiency in deadlines.
How is the process of registering as an electricity trader with the CNMC?
1. Create the company
Incorporated as S.L. or S.A.
Include in its corporate purpose the commercialization of electric energy.
Registered in the Mercantile Registry and with active CIF.
2. Registration in MITECO
Apply for registration in the Registry of Electricity Marketers of the Ministry for Ecological Transition.
Submit legal, technical and financial documentation.
Once approved, you get a marketer number.
3. Registration with the CNMC
Online procedure
Submit MITECO resolution, CIF, bylaws and operating plan.
The CNMC authorizes the activity and officially registers you.
4. Guarantees and contracts
Deposit financial guarantees with OMIE and REE.
Sign contracts with:
REE (system operator).
Electrical distributors.
OMIE (wholesale market).
5. Subsequent obligations
Send periodic reports to the CNMC.
Comply with transparency and customer service regulations.
Why choose Grupo Trebol Energía to register as an electricity supplier?
- Proven experience in the creation and registration of electricity trading companies in Spain.
- Direct relations with regulatory agencies and system operators.
- Technology partners specialized in billing and energy management.
- Comprehensive service that reduces costs, time and risks for your company.
Frequently asked questions about the registration of an electricity supplier
How much does it cost to create an electricity trading company?
The cost depends on the financial guarantees required and the technological systems needed. We help you to estimate and optimize the initial investment.
How long does the discharge process take?
On average, between 3 and 6 months, depending on the delivery of documentation, guarantees and validations by official bodies.
What documentation does the CNMC require?
Legal accreditation of the company, financial guarantees deposited in MEFF and finalized registration in OMIE, REE and MITECO.
What is the difference between a trading company and a distributor?
The distributor manages the networks and the physical delivery of electricity. The trading company buys the energy in the market and sells it to customers.
What are the requirements to become an electricity trader in Spain?
To become an electricity trader in Spain you need:
To create a legally constituted company.
Register in the MITECO registry.
Proof of technical and financial solvency.
Sign agreements with REE, OMIE and distributors.
Comply with all legal, tax and customer service obligations.
Start today with Grupo Trebol Energía
At Trebol Energy Group
we turn your project into a reality. Our legal, technical and regulatory team will take care of everything for you to your electricity supplier with security and speed.
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👉 Contact us and start operating in the Spanish electricity market.



