Mercado Mayorista de Electricidad (Peru SEIN)

Peru. Status: operational.

Wholesale design: COES centrally dispatches the system on audited variable costs. The short-term market settles energy and capacity, while bilateral contracts serve regulated and free customers.

Operator
COES
Pricing granularity
nodal
Settlement interval
15 minutes
Nominal frequency
60 Hz
What a battery can sell

What ancillary services can a battery sell in Mercado Mayorista de Electricidad (Peru SEIN)?

Mercado Mayorista de Electricidad (Peru SEIN) has 5 ancillary-service products, across 5 families — frequency containment, automatic frequency restoration, contingency reserve, reactive power & voltage and black start & restoration: Arranque Autónomo / Restablecimiento, Reserva de Emergencia no Sincronizada, Reserva Rotante para Regulación Primaria de Frecuencia, Reserva Rotante para Regulación Secundaria de Frecuencia, Regulación de Tensión / Potencia Reactiva. 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 Rotante para Regulación Primaria de Frecuencia RRPF

    operational

    Automatically contain frequency excursions through rotating reserve.

    Direction
    symmetric
    Stated response
    Automatic response action during the first 0–10 seconds; the cited definition does not state a universal 100% delivery point
    Sustain
    at least 30 s; At least the following 30 seconds; longer response governed by operating procedure
    Trigger / range
    Frequency deviation under generator governor/control settings.
    Eligibility
    COES-qualified synchronized generation and other resources permitted by procedure.
    Typical procurement
    COES study/operation-specific
    Pricing
    Short-term-market complementary-service settlement

Automatic frequency restoration

  • Reserva Rotante para Regulación Secundaria de Frecuencia RRSF

    operational

    Restore frequency and system balance after primary response.

    Direction
    symmetric
    Stated response
    Procedure-specific; the official glossary confirms automatic or manual response but does not set one universal activation time
    Sustain
    at least 30 min; Sustainable for at least 30 minutes
    Trigger / range
    COES automatic or manual control instruction.
    Eligibility
    COES-qualified units capable of secondary regulation.
    Typical procurement
    COES study/operation-specific
    Pricing
    Short-term-market complementary-service settlement

Contingency reserve

  • Reserva de Emergencia no Sincronizada

    operational

    Provide independent non-synchronized generation following emergency conditions.

    Direction
    up
    Stated response
    Starts and connects in less than 10 minutes; no universal full-delivery point is stated
    Trigger / range
    Emergency dispatch instruction.
    Eligibility
    Independent emergency generating units meeting COES requirements.
    Typical procurement
    COES-determined
    Pricing
    Complementary-service settlement

Reactive power & voltage

  • Regulación de Tensión / Potencia Reactiva

    operational

    Maintain system voltage using reactive capability and voltage control.

    Direction
    non-directional
    Stated response
    Equipment-specific
    Sustain
    Continuous or as instructed
    Trigger / range
    Voltage setpoints and COES instruction.
    Eligibility
    Qualified generating units and reactive compensation equipment.
    Typical procurement
    Location-specific
    Pricing
    Complementary-service settlement under MME rules

Black start & restoration

  • Arranque Autónomo / Restablecimiento

    operational

    Start without external supply and support system restoration.

    Stated response
    Facility- and restoration-plan-specific
    Sustain
    Restoration-plan-specific
    Trigger / range
    Restoration-plan activation.
    Eligibility
    Certified black-start resources.
    Typical procurement
    Restoration-plan-specific
    Pricing
    Complementary-service treatment
Getting paid to exist

Does Mercado Mayorista de Electricidad (Peru SEIN) have a capacity mechanism?

Mercado Mayorista de Electricidad (Peru SEIN) has 1 capacity/adequacy arrangement: Remuneración de Potencia / Potencia Firme. The official sources do not say whether it is a central capacity market. Responsibility sits with COES / Osinergmin.

Remuneración de Potencia / Potencia Firme

operational

The short-term market includes regulated capacity valuation and transfers; it is not a centralized capacity auction.

administrative assignment

Responsibility
COES / Osinergmin
Unit of obligation
MW of firm power recognized under COES procedures
Auction held in 2025
No — No capacity auction for this market was found to have been held during 2025 in the sources reviewed.
Where this comes from

Official sources

Rules

Service specification

Market explainer

Capacity-mechanism explainer

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 Mayorista de Electricidad (Peru SEIN)

Who operates Mercado Mayorista de Electricidad (Peru SEIN)?
COES operates Mercado Mayorista de Electricidad (Peru SEIN), covering Peru.
Was a qualifying capacity event held in Mercado Mayorista de Electricidad (Peru SEIN) in 2025?
No. Remuneración de Potencia / Potencia Firme: 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 Mayorista de Electricidad (Peru SEIN)?
Mercado Mayorista de Electricidad (Peru SEIN): COES centrally dispatches the system on audited variable costs. The short-term market settles energy and capacity, while bilateral contracts serve regulated and free customers. pricing granularity — nodal; settlement interval — 15 minutes.
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