Title Owner Updated

Monthly Balancing Services Summary (MBSS) Open

The Monthly Balancing Services Summary (MBSS) gives the costs and volumes of balancing services used by the Electricity System Operator. These costs are broken into individual months in the past financial...

75 ESO
Tags: Ancillary Balancing Constraints Mbss Monthly Reserve Services Stor Subscribable Trades
CSV PDF XLSX

National Grid ESO 2021-12-01

Balancing Services Adjustment Data (BSAD) Forward Contracts Open

Balancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and imbalance...

6 ESO
Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable
CSV

National Grid ESO 2021-12-01

Aggregated Balancing Services Adjustment Data (BSAD) Open

Balancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and imbalance...

8 ESO
Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable
CSV

National Grid ESO 2021-12-01

Non-BM Ancillary Service Dispatch Platform (ASDP) Instructions Open

The Electricity System Operator (ESO) publishes Non-BM Instruction data from its Ancillary Services Dispatch (ASDP) System. This is published near real time publishing data from ASDP every 30 seconds. A new...

18 ESO
Tags: Ancillary Dispatch Instrictions Non-bm Platform Service Subscribable
CSV

National Grid ESO 2021-12-01

Disaggregated Balancing Services Adjustment Data (BSAD) Open

Balancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and imbalance...

9 ESO
Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable
CSV

National Grid ESO 2021-12-01

Obligatory Reactive Power Service (ORPS) Open

The obligatory reactive power service (ORPS) is the provision of varying reactive power output. At any given output generators may be requested to produce or absorb reactive power to help manage system...

5 ESO
Tags: Ancillary Balancing Obligatory Orps Power Reactive Service Subscribable Utilisation
CSV PDF XLSX

National Grid ESO 2021-11-19

Optional Downward Flexibility Management (ODFM) Market Information Open

In our role as Electricity System Operator (ESO), we balance generation and demand in real time. When demand is low, there may be a requirement for additional flexibility to balance generation and demand, as...

13 ESO
Tags: Ancillary Balancing Downward Flexibility Market Information Odfm Subscribable
CSV PDF

National Grid ESO 2021-11-02

Firm Fast Reserve Post Tender Reports Open

Fast Reserve provides the rapid and reliable delivery of active power through an increased output from generation or a reduction in consumption from demand sources, following receipt of an electronic dispatch...

13 ESO
Tags: Ancillary Balancing Fast Firm Reserve Service Subscribable Tender
Unknown

National Grid ESO 2021-07-20

Short Term Operating Reserve (STOR) Post Tender Reports Open

If demand ends up being greater than forecast, or there is unforeseen generation unavailability, extra sources of power may be needed to manage the system. One form of reserve that is used to manage this is...

8 ESO
Tags: Ancillary Balancing Information Market Report Reserve Service Stor Subscribable Tender
XLSX

National Grid ESO 2021-07-20

Optional Downward Flexibility Management (ODFM) Service Documents Open

In our role as Electricity System Operator (ESO), we balance generation and demand in real time. When demand is low, there may be a requirement for additional flexibility to balance generation and demand, as...

21 ESO
Tags: Ancillary Balancing Downward Flexibility Guidance Odfm Subscribable
DOC M4V PDF XLSX

National Grid ESO 2021-07-20

Fast Reserve Market Information Open

Fast Reserve provides the rapid and reliable delivery of active power through an increased output from generation or a reduction in consumption from demand sources, following receipt of an electronic dispatch...

36 ESO
Tags: Ancillary Balancing Fast Firm Information Market Reserve Service Subscribable
PDF XLSX

National Grid ESO 2021-07-20

Short Term Operating Reserve (STOR) Market Information Open

If demand ends up being greater than forecast, or there is unforeseen generation unavailability, extra sources of power may be needed to manage the system. One form of reserve that is used to manage this is...

16 ESO
Tags: Ancillary Balancing Information Market Report Reserve Service Stor Subscribable Tender
PDF XLSX

National Grid ESO 2021-07-20