Compañía Administradora del Mercado Mayorista Sociedad Anónima

What Compañía Administradora del Mercado Mayorista Sociedad Anónima does

Compañía Administradora del Mercado Mayorista Sociedad Anónima (CAMMESA) is the Argentine state-owned wholesale electricity market administrator, established in 1992 and wholly owned by the national government. It operates under the regulatory framework of Law 24.065, which grants it statutory responsibility for administering the Mercado Eléctrico Mayorista (MEM), the country's wholesale electricity market, including dispatch coordination, price formation, transaction settlement, and oversight of the SADI (Sistema Argentino de Interconexión) — Argentina's national interconnected grid. CAMMESA's customers are not commercial buyers in a conventional sense but rather the universe of mandatory market participants: generators, distributors, large users (usuarios grandes), transporters, and traders whose activity above regulatory thresholds must be cleared through its platform.

The company's core product is its real-time market operations and clearing platform, built around proprietary in-house systems including Visual Margo (market operations interface), DCsolver (dispatch optimization), and a real-time monitoring stack that ingests SCADA, meteorological, and satellite data. The technology layer supports hourly wind and solar generation forecasting, integrates GOES-16 satellite imagery for short-term irradiance prediction, and runs anomaly-detection routines used during events such as solar eclipses. CAMMESA also publishes transparency products — daily demand databases by region, the Annual Report, and operational scenario analyses — that serve regulators, market participants, and external stakeholders.

As a non-profit entity, CAMMESA does not earn commercial margins in the traditional sense; its revenues derive from regulated fees charged to market participants, with any surplus reinvested into market operations or absorbed by the national treasury. The business model is therefore best understood as a regulated monopoly service provider rather than a market-priced enterprise. Recent strategic activity — including the Resolution SE 400/2025 MEM normalization program, the AlmaGBA and ALMASADI storage tenders, and the authorization of multiple utility-scale solar generators (Solar Palomitas, AFR Solar, Arauco Solar V) — indicates an evolution of CAMMESA's role from pure clearinghouse toward active procurement authority and market-shape design in Argentina's energy transition.

Name

Compañía Administradora del Mercado Mayorista Sociedad Anónima

Legal name

Compañía Administradora del Mercado Mayorista Eléctrico S.A.

Website

https://cammesaweb.cammesa.com

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Wholesale Electricity Market Administration

NAICS

Electric Power Transmission, Control, and Distribution (22112), Electric Bulk Power Transmission and Control (221121), Electric Power Generation, Transmission and Distribution (2211)

SIC

Electric Services (4911), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Operations Control & Dispatch (Remote Operations Centers, Curtailment, Compliance) (EUAMAGAK)

Keywords

• Wholesale electricity market
• Grid dispatch operations
• Power market administration
• Electricity transmission services
• Energy market settlement

Headquarters

HQ city

Buenos Aires

HQ country

Argentina

HQ region

Latin America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Infrastructure, Operations

Revenue model

1. Market Administration Fees: As the administrator of Argentina's wholesale electricity market (MEM), CAMMESA operates as a non-profit entity funded through regulated fees charged to market agents (generators, distributors, large users). The company manages the economic settlement of transactions, calculates prices, and administers the commercial clearinghouse for the electricity market.
2. Grid Operations Coordination: CAMMESA coordinates dispatch, scheduling, and real-time operations of the SADI (Argentine Interconnection System), including management of capacity tenders for generation, transmission, and storage projects on behalf of the Secretaría de Energía.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

CAMMESA administers Argentina's Wholesale Electricity Market (MEM) and operates the national interconnected grid (SADI), providing centralized dispatch coordination, real-time generation and demand monitoring, hourly price calculation, and commercial settlement for all market participants. The organization also manages public tender processes (Licitaciones/Convocatorias) for generation, transmission, and storage capacity contracts on behalf of the Secretaría de Energía.

Product overview

CAMMESA operates as the administrator of Argentina's Wholesale Electricity Market (MEM), managing the interconnected national grid (SADI) through an integrated platform of interconnected modules. The core system comprises real-time operations (SOTR), energy measurement (SMEC), and economic dispatch programming (PGDE). Market participants access forecasting tools for renewable generation, daily/weekly/seasonal programming services, and commercial transaction processing through the MEMNet portal. The Visual Margo visualization platform complements operational decision-making, while electrical studies and public tender systems support infrastructure development. API web services enable programmatic system access for authorized agents.

Differentiator

Problem solved

Functional benefit

Products and services

• SOTR - Sistema de Operación en Tiempo Real
• SMEC - Sistema de Medición de Energía en Tiempo Real
• PGDE - Programación de la Generación a Despacho Económico
• Visual Margo - Modelo y Base de Datos
• API Web MEM
• Licitaciones y Convocatorias (Public Tenders)
• Real vs Previsto - Generación Renovable

Quantifiable outcome

• Maximum recorded power demand of 30,257 MW on February 10, 2025
• +1 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

AI capability4 records

Feature6 records

Partnerships

Three partnerships are on record, tiered core.

• Secretaría de Energía (Ministry of Energy)coreStrategic or Co-development PartnerCAMMESA operates under direct regulatory mandate from Argentina's Secretaría de Energía, implementing government policies for the MEM including tender programs (RenovAr, TerCONF, RenMDI), emergency market normalization (Resolution SE 400/2025), and capacity contracting for generation and storage.
• Agentes del MEM (Market Agents)coreStrategic or Co-development PartnerJoint operation of the wholesale electricity market with all generators, distributors, large users, and transporters participating in MEM. CAMMESA and market agents jointly developed PT29 (security procedures) to reduce SADI collapse risks.
• ENRE (Ente Regulador de la Electricidad)coreStrategic or Co-development PartnerRegulatory oversight relationship where CAMMESA implements ENRE resolutions related to transportation, distribution tariffs, and market compliance. Joint publication of regulatory resolutions on CAMMESA website.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• AEMO (Australian Energy Market Operator): Operates Australia's National Electricity Market and gas markets, including dispatch, forecasting, and market settlement. Comparable to CAMMESA's role integrating growing renewable generation into a national wholesale market.
• PJM Interconnection: US Regional Transmission Organization managing the largest competitive wholesale electricity market in North America. Operates wholesale market settlement, dispatch, and capacity auctions closely analogous to CAMMESA's MEM administration.
• ERCOT: Independent System Operator managing ~90% of Texas electric load. Performs real-time dispatch, settlement, and reliability coordination — a direct functional comparison to CAMMESA's SADI operations.
• MISO (Midcontinent Independent System Operator): US RTO running day-ahead and real-time energy markets across much of central North America. Same core function as CAMMESA: centralized dispatch, market clearing, and transmission coordination across a multi-jurisdictional grid.
• SPP (Southwest Power Pool): US RTO managing wholesale electricity markets and transmission across the central US. Performs integrated market clearing, reliability coordination, and renewable integration — comparable to CAMMESA's mandate.
• California Independent System Operator (CAISO): Operates the California wholesale electricity market, performing dispatch, price calculation, and real-time grid balancing — functionally identical to CAMMESA's role in Argentina's MEM. Both act as independent market/system operators serving generators, distributors, and large users.
• National Grid ESO (UK): Britain's electricity system operator handling real-time balancing, capacity market, and grid code management. Comparable scope to CAMMESA in managing a national grid with significant renewable integration challenges.
• Operador Nacional do Sistema Elétrico (ONS): Brazil's national system operator coordinating dispatch and transmission across the interconnected grid. Regional Latin American counterpart to CAMMESA with similar institutional role in market coordination.

Regional players

• Coordinador Eléctrico Nacional (CEN): Independent system operator for Chile's national electricity grid. Performs dispatch, market settlement, and real-time coordination — closely analogous to CAMMESA but in a neighboring Andean market.

Broad incumbents

• ENTSO-E (European Network of TSOs for Electricity): Association of 39 European transmission system operators coordinating cross-border electricity markets. Indirectly comparable to CAMMESA's broader coordination role across a multinational grid.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/cammesa
• Instagraminstagram.com/cammesa_
• Facebookfacebook.com/CAMMESAOk

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

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 Compañía Administradora del Mercado Mayorista Sociedad Anónima