The Balancing Services Use of System (BSUoS) costs are reported on a monthly basis with a forecast for the next month and a rolling 24 month period. Here you can find the report created each month which includes the outturn from the previous month, the forecast for the next 24 months and a view on accuracy of previous forecasts. **Disclaimer**: This forecast is published without prejudice and whilst every effort has been made to ensure the accuracy based on the assumptions and models used, it is subject to several estimations and forecasts and may not bear relation to either the indicative or actual tariffs Electricity system Operator will publish at a later date. Note: The February outturn was published with the incorrect volume which affects the outturn BSUoS charge. Please see the revised outturn below incorporating these updates. No figures have been changed except for the volume for Feb 22 and therefore the BSUoS charge for Feb 22.
Adjusted BSUoS May Extreme Weather
PDFAdjusted BSUoS May Average Weather
PDFBSUoS_Report_March_20
PDFBSUoS_Report_Feb_20
PDFBSUoS_Report_Jan_20
PDFBSUoS Forecast for Summer 2020 – Including new services
PDFImpact on BSUoS due to COVID-19 low demands – Excluding new services
PDFA note on our BSUoS updates published 15th May 2020
PDFBSUOS_Report _June_20_5_Percent
PDFBSUOS_Report_June_20_10_Percent
PDFBSUOS_Report _June_20_15_Percent
PDFBSUoS Forecast Explained
PDFSummary of Feb - June BSUoS Forecasts - 18.06.20
PDFBSUOS_Report _July_20_5_Percent
PDFBSUOS_Report _July_20_10_Percent
PDFBSUOS_Report _July_20_15_Percent
PDFBSUOS_Report _August_20_5_Percent
PDFBSUOS_Report _August_20_10_Percent
PDFBSUOS_Report _August_20_15_Percent
PDFBSUOS_Report _September_20_5_Percent 2020
PDFBSUOS_Report _September_20_10_Percent 2020
PDFBSUOS_Report _September_20_15_Percent 2020
PDFBSUoS Reports - 2019
PDFBSUoS Report October 2020
PDFBSUoS Report November 2020
PDFBSUoS Forecast Explainer
PDFBSUoS Report December 2020
PDFBSUoS Forecast Explainer December
PDFBSUoS_Report January 2021
PDFBSUoS Forecast Explainer January 2021
PDFBSUoS Report February 2021
PDFBSUoS Forecast Explainer February 2021
PDFBSUoS Report March 2021
PDFBSUoS Forecast Explainer March 2021
PDFBSUoS Report April 2021
PDFBSUoS Forecast Explainer April 2021
PDFBSUoS Report May 2021
PDFBSUoS Forecast Explainer May 2021
PDFBSUoS Report June 2021
PDFBSUoS Forecast Explainer June 2021
PDFBSUoS Report July 2021
PDFBSUoS Forecast Explainer July 2021
PDFBSUoS Report August 2021
PDFBSUoS Forecast Explainer August 2021
PDFBSUoS Report September 2021
PDFBSUoS Forecast Explainer September 2021
PDFBSUoS Report October 2021
PDFBSUoS Forecast Explainer October 2021
PDFBSUoS Report November 2021
PDFBSUoS Forecast Explainer November 2021
PDFBSUoS Report December 2021
PDFBSUoS Forecast Explainer December 2021
PDFBSUoS Outturn Chart and Commentary December 2021
PDFBSUoS Forecast February 2022
PDFBSUoS Forecasting Update January 2022 – Communications Pack
PDFBSUoS Outturn Chart and Commentary January 2022
PDFBSUoS Forecast March 2022
PDFBSUoS Forecast April 2022
PDFBSUos Outturn Chart and Commentary February 2022
PDFBSUos Outturn Chart and Commentary February 2022 - revised
PDFBSUos Outturn Chart and Commentary March 2022
PDFBSUoS Forecast May 2022
PDFBSUoS Forecast June 2022
PDFBSUos Outturn Chart and Commentary April 2022
PDFBSUoS Forecast July 2022
PDFBSUos Outturn Chart and Commentary May 2022
PDFBSUoS Forecast August 2022
PDFBSUos Outturn Chart and Commentary June 2022
PDFBSUoS Forecast September 2022
PDFBSUos Outturn Chart and Commentary July 2022
PDFRevised Monthly BSUoS Forecast Summary September 2022
PDFBSUos Forecast October 2022
PDFBSUos Outturn Chart and Commentary August 2022
PDFBSUos Outturn Chart and Commentary September 2022
PDFBSUoS Forecast November 2022
PDFBSUoS Forecast December 2022
PDFBSUos Outturn Chart and Commentary October 2022
PDFBSUoS Outturn Chart and Commentary November 2022
PDFBSUoS Forecast January 2023
PDFBSUos Outturn Chart and Commentary December 2022
PDFBSUos forecast February 2023
PDFBSUos Outturn Chart and Commentary January 2023
PDFBSUos forecast March 2023
PDFBSUos forecast April 2023
PDFBSUos Outturn Chart and Commentary February 2023
PDFBSUoS Forecast May 2023
PDFBSUoS Outturn Chart and Commentary March 2023
PDFBSUoS Outturn Chart and Commentary April 2023
PDFBSUoS Forecast June 23
PDFBSUoS Forecast - Jul 2023
PDFBSUoS Outturn Chart and Commentary May 2023
PDFBSUoS Forecast August 2023
PDFBSUoS Outturn Chart and Commentary June 2023
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