Wholesale design: CAMMESA centrally schedules and dispatches the SADI using declared and regulated costs; the MEM includes spot transactions and supply contracts under administered remuneration rules.
Operator
CAMMESA
Pricing granularity
hybrid
Settlement interval
60 minutes
Nominal frequency
50 Hz
What a battery can sell
What ancillary services can a battery sell in Mercado Eléctrico Mayorista (Argentina SADI)?
Mercado Eléctrico Mayorista (Argentina SADI) has 5 ancillary-service products, across 4 families — frequency containment, automatic frequency restoration, contingency reserve and replacement reserve: Reserva de 10 minutos, Reserva de 20 minutos, Reserva de 5 minutos, Reserva para Regulación Primaria de Frecuencia, Reserva para Regulación Secundaria de Frecuencia. Response timing, direction and eligibility for each are in the cards below, as the official sources state them.
Facts below are stated as the official sources state them. A missing line means the
source does not state that value — never that the value is zero.
Frequency containment
Reserva para Regulación Primaria de Frecuencia RPF
operational
Automatically contain frequency deviations using synchronized rotating reserve.
Direction
symmetric
Stated response
Governor/control-specific; no universal value published on the cited requirement page
Trigger / range
Frequency-control settings under CAMMESA operating procedures.
Eligibility
Synchronized generating units capable of primary regulation.
Typical procurement
3 percent of generation (reference schedule)
Pricing
Reference remuneration factor of 100% of PMSPOT on the cited CAMMESA page; the page presents it for a possible base analysis, not as a verified current tariff
Automatic frequency restoration
Reserva para Regulación Secundaria de Frecuencia RSF
operational
Restore frequency after primary control using synchronized reserve.
Direction
symmetric
Stated response
No universal value published on the cited requirement page
Trigger / range
CAMMESA secondary-control instruction.
Eligibility
Qualified synchronized generating units.
Typical procurement
2.1 percent of generation (reference schedule)
Pricing
Reference remuneration factor of 50% of PMSPOT on the cited CAMMESA page; not verified as a current tariff
Contingency reserve
Reserva de 10 minutos R10min
operational
Provide contingency reserve from rotating or stopped units.
Direction
up
Stated response
Named ten-minute reserve; the cited page does not establish a universal full-activation deadline
Trigger / range
CAMMESA dispatch instruction.
Eligibility
Rotating or offline resources described in CAMMESA's reference reserve schedule.
Typical procurement
2.1 percent of generation (reference schedule)
Pricing
Reference remuneration factor of 15% of PMSPOT on the cited CAMMESA page; not verified as a current tariff
Reserva de 5 minutos R5min
operational
Provide rapid replacement/contingency reserve from rotating or stopped units.
Direction
up
Stated response
Named five-minute reserve; the cited page does not establish a universal full-activation deadline
Trigger / range
CAMMESA dispatch instruction.
Eligibility
Rotating or offline resources described in CAMMESA's reference reserve schedule.
Typical procurement
2.1 percent of generation (reference schedule)
Pricing
Reference remuneration factor of 20% of PMSPOT on the cited CAMMESA page; not verified as a current tariff
Replacement reserve
Reserva de 20 minutos R20min
operational
Provide slower replacement reserve from offline units.
Direction
up
Stated response
Named twenty-minute reserve; the cited page does not establish a universal full-activation deadline
Trigger / range
CAMMESA dispatch instruction.
Eligibility
Offline resources described in CAMMESA's reference reserve schedule.
Typical procurement
3 percent of generation (reference schedule)
Pricing
Reference remuneration factor of 10% of PMSPOT on the cited CAMMESA page; not verified as a current tariff
Getting paid to exist
Does Mercado Eléctrico Mayorista (Argentina SADI) have a capacity mechanism?
Mercado Eléctrico Mayorista (Argentina SADI) has 1 capacity/adequacy arrangement: Remuneración administrada de disponibilidad de potencia para generación alcanzada. The official sources do not say whether it is a central capacity market. Responsibility sits with Secretaría de Energía / CAMMESA.
Remuneración administrada de disponibilidad de potencia para generación alcanzada
operational
Resolution SE 602/2025 provides an administered monthly availability payment for a defined set of thermal and hydro generators that have neither committed availability and energy under MEM contracts nor eligibility for the spot regime created by Resolution SE 400/2025. Payment equals each unit's average monthly actual available capacity multiplied by its regulated Precio de Potencia Garantizada. This is a scoped administered remuneration record, not evidence of an organized market-wide capacity auction.
administrative assignment
Responsibility
Secretaría de Energía / CAMMESA
Unit of obligation
Average monthly MW of actual available capacity (Disponibilidad Real de Potencia) for generators within the rule's defined scope
Auction held in 2025
No — No capacity auction for this market was found to have been held during 2025 in the sources reviewed.
Current as of · from the
Global Electricity Market Catalogue v1.2.0 (compiled to , CC BY 4.0). Facts belong to the linked official authorities;
verify the current rules before design or bidding decisions.
Questions
Common questions about Mercado Eléctrico Mayorista (Argentina SADI)
Who operates Mercado Eléctrico Mayorista (Argentina SADI)?
Was a qualifying capacity event held in Mercado Eléctrico Mayorista (Argentina SADI) in 2025?
No. Remuneración administrada de disponibilidad de potencia para generación alcanzada: no qualifying 2025 event is recorded. No capacity auction for this market was found to have been held during 2025 in the sources reviewed.
How is energy traded, priced and settled in Mercado Eléctrico Mayorista (Argentina SADI)?
Mercado Eléctrico Mayorista (Argentina SADI): CAMMESA centrally schedules and dispatches the SADI using declared and regulated costs; the MEM includes spot transactions and supply contracts under administered remuneration rules. pricing granularity — hybrid; settlement interval — 60 minutes.