How does capacity differ from energy clearing price?

Capacity = what you are paid for *being available* (the option). Energy = what you are paid when actually activated (the strike). Most Latvian BSP revenue comes from capacity, because activations are infrequent but capacity is paid every hour.

Why €/MW/h instead of €/MWh?

You are paid per MW of available capacity per hour. €/MW/h × hours qualified = total capacity revenue. Energy prices are €/MWh because they price actual energy delivered.

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Latvia mFRR capacity prices

Name: Latvia mFRR capacity prices
Creator: Volton
License: https://creativecommons.org/licenses/by/4.0/

BBCM-cleared mFRR capacity availability prices for the Latvian 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, refreshed hourly.

Methodology

Capacity prices are paid hourly to every BSP that committed reserve capacity to the TSO ahead of time, regardless of whether activation happens. They clear daily on the Baltic Balancing Capacity Market (BBCM), live since 4 February 2025 with FCR + mFRR (aFRR added 15 April 2025).

Capacity revenue is materially the bigger income stream for Latvian BSPs vs energy: a typical 1 MW BESS earns the capacity price every hour it is qualified, whereas activation only triggers in some MTUs.

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

FAQ

How does capacity differ from energy clearing price?: Capacity = what you are paid for *being available* (the option). Energy = what you are paid when actually activated (the strike). Most Latvian BSP revenue comes from capacity, because activations are infrequent but capacity is paid every hour.
Why €/MW/h instead of €/MWh?: You are paid per MW of available capacity per hour. €/MW/h × hours qualified = total capacity revenue. Energy prices are €/MWh because they price actual energy delivered.

Get this data

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

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

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