Generators
Power plants that sell electricity, capacity and CELs in the market.
What is the MEM?
The MEM (Mercado Eléctrico Mayorista) is Mexico's Wholesale Electricity Market: where generators, suppliers and large consumers buy and sell electricity.
The short answer
MEM: Mexico's Wholesale Electricity Market
The MEM is the market where electricity, capacity, Clean Energy Certificates (CELs) and related products are traded in Mexico. It was created by the 2014 energy reform so that generators, suppliers and large consumers could buy and sell electricity beyond CFE's regulated tariffs.
- It is operated by CENACE (National Energy Control Center).
- It is regulated by the CNE (National Energy Commission).
- Companies with at least 1 MW of contracted demand can buy in it as Qualified Users.
Thinking of migrating?
- We assess whether migrating makes sense for you
- We run a tender with the top Qualified Suppliers
- We manage the whole migration process
Participants
Who participates in the MEM
Qualified Suppliers
Companies that buy in the MEM and supply electricity to Qualified Users under freely negotiated contracts.
Qualified Users
Large consumers (1 MW or more) registered to buy electricity in the market through a Qualified Supplier.
MEM and CFE
CFE basic supply vs the MEM
| Feature | CFE basic supply | MEM (Qualified User) |
|---|---|---|
| Who can use it | Any consumer | Consumers with 1 MW or more of demand |
| Price | Regulated tariff | Negotiated with a Qualified Supplier |
| Contract terms | Standard | Term, currency and risk tailored to you |
| Renewable supply | Limited options | Possible through supply contracts and PPAs |
Qualified Users must also cover a share of their consumption with CELs
Migration
How to become a Qualified User
- Check eligibility You need at least 1 MW of contracted demand with CFE.
- Choose a supplier Compare offers from Qualified Suppliers and choose the one that fits your profile.
- Register and migrate Register as a Qualified User and complete the migration with the authorities.
FAQ
Frequently asked questions
What is the MEM?
The MEM (Mercado Eléctrico Mayorista) is Mexico's Wholesale Electricity Market, where electricity, capacity and Clean Energy Certificates are traded. It is operated by CENACE.
What is the relationship between CFE and the MEM?
CFE participates in the MEM as a generator and, through CFE Suministrador de Servicios Básicos (SSB), supplies consumers at regulated tariffs. Companies with 1 MW or more can leave basic supply and buy through a Qualified Supplier instead.
What is a Qualified User?
A consumer with at least 1 MW of demand that is registered to buy electricity in the MEM through a Qualified Supplier, instead of the regulated CFE tariff.
What is a Qualified Supplier?
A company authorized to buy electricity in the MEM and supply it to Qualified Users under freely negotiated contracts.
Does migrating to the MEM make sense for my company?
It depends on your consumption profile, current tariff and goals. Moendi analyzes your case and, if it makes sense, runs a tender with the country's top Qualified Suppliers. Learn more.
Is migrating right for you?
Tell us about your contracted demand and goals. We will tell you whether migrating makes sense.
Talk to us