aFRR capacity vs mFRR capacity, which earns more?

Both are paid per MW/h. mFRR capacity prices are usually higher per unit (higher technical bar, larger activations). But aFRR capacity has more hours qualified, fewer scarcity drops to zero. Total revenue depends on your asset profile.

Why is the data only since April 2025?

Estonia joined PICASSO on 9 April 2025; aFRR capacity procurement on BBCM started 15 April 2025. Before that, aFRR capacity wasn't cleared cross-border, so there is no comparable price series.

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Estonia aFRR capacity prices

Name: Estonia aFRR capacity prices
Creator: Volton
License: https://creativecommons.org/licenses/by/4.0/

BBCM-cleared aFRR capacity availability prices for the Estonian bidding zone, what BSPs are paid for *being available*, separate from energy activation prices. One value per 15-minute MTU, per direction. Sourced from the Baltic Transparency Dashboard; aFRR capacity procurement on BBCM started 15 April 2025.

Concepts

aFRR (Automatic Frequency Restoration Reserve)BBCM (Baltic Balancing Capacity Market)PICASSO (aFRR balancing energy platform)

Methodology

Capacity prices are paid hourly to every BSP that committed reserve capacity to the TSO ahead of time, regardless of whether activation happens. aFRR capacity clears daily on the Baltic Balancing Capacity Market (BBCM), live for aFRR since 15 April 2025, the day after Estonia joined PICASSO.

aFRR capacity prices are typically lower per MW/h than mFRR because the technical bar is lower (continuous control signal, smaller activations). Total revenue depends on the size of the qualified capacity and how many hours the BSP cleared.

Prices may be null for an MTU when no capacity was procured in that direction.

FAQ

aFRR capacity vs mFRR capacity, which earns more?: Both are paid per MW/h. mFRR capacity prices are usually higher per unit (higher technical bar, larger activations). But aFRR capacity has more hours qualified, fewer scarcity drops to zero. Total revenue depends on your asset profile.
Why is the data only since April 2025?: Estonia joined PICASSO on 9 April 2025; aFRR capacity procurement on BBCM started 15 April 2025. Before that, aFRR capacity wasn't cleared cross-border, so there is no comparable price series.

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JSON download and stable URL pattern available on the developer API page.

↓ JSON API docs →https://public-data.volton.energy/v1/afrr-capacity-price/latest.json

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