Glossary

10+ terms

Key terms from energy flexibility, trading and balancing services.

A B C D F I M S T

A

aFRR Automatic Frequency Restoration Reserve — secondary regulation, automatically activated by the system operator. Response within 7.5 minutes.

B

Balancing services Umbrella term for FCR, aFRR, mFRR and others. ČEPS procures them in auctions.

BESS Battery Energy Storage System. A key flexibility resource with fast response, ideal for FCR and aFRR services.

C

ČEPS Czech transmission system operator running the 400/220 kV grid. It certifies balancing services providers and procures FCR, aFRR and mFRR…

D

DSR Demand Side Response — flexibility on the consumption side. A company with high consumption can briefly cut load and earn…

F

FCR Frequency Containment Reserve — primary frequency regulation, the fastest balancing service (response within 30 seconds).

Flexibility The ability of an energy device to adjust its output or consumption in time. The basis for income from balancing…

Flexibility aggregator A flexibility aggregator is an entity that bundles and manages distributed energy resources — batteries, cogeneration units, large consumers —…

I

Imbalance The difference between actual and planned generation/consumption. The balance responsible party pays (or receives) the imbalance price for it.

M

mFRR Manual Frequency Restoration Reserve — tertiary regulation, manually activated. Full capacity within 12.5 minutes.

S

Spot market Short-term electricity market — Day-Ahead and Intraday. Prices change every hour, sometimes every quarter-hour. The arena where trading happens.

Synapse EnerSpot Flexi proprietary trading platform that switches between trading and balancing services in real time depending on which is currently…

T

Trading Trading electricity on short-term markets (Day-Ahead, Intraday). Combined with balancing services we achieve up to 30% higher returns.