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Balancing services use of system (BSUoS) charges

The BSUoS charge recovers the cost of day-to-day operation of the transmission system. Generators and suppliers are liable for these charges, which are calculated daily as a flat tariff for all users. BSUoS charges depend on the balancing actions that we take each day, but we provide a monthly forecast of BSUoS. You can also consult historical BSUoS charges.

The methodology that calculates BSUoS is set out in Section 14 of the CUSC. The monthly forecast of BSUoS is provided as part of the current Monthly Balancing Services Summary report.

For more general information about the BSUoS charging process please consult our introduction presentation:

Download the Introduction to BSUoS (PowerPoint) document 

 

BSUoS links

Historical BSUoS data - SF

Here you will find historic BSUoS data for all Settlement Final (SF) data for financial years dating back to 2001.

Published Sort ascending Name
2015-2016 SF
2014-2015 SF
2013-2014 SF
2007-2008 SF
2004-2005 SF
2001-2002 SF
2012-2013 SF
2009-2010 SF
2006-2007 SF
2003-2004 SF
2000-2001 SF
2011-2012 SF
2008-2009 SF
2005-2006 SF
2002-2003 SF
2010-2011 SF

Historical BSUoS data - RF

Here you will find historic BSUoS data for all Reconciliation Final (RF) data for financial years dating back to 2001.

Published Sort ascending Name
2014-2015 RF
2013-2014 RF
2012-2013 RF
2006-2007 RF
2003-2004 RF
2000-2001 RF
2011-2012 RF
2008-2009 RF
2005-2006 RF
2002-2003 RF
2010-2011 RF
2007-2008 RF
2004-2005 RF
2001-2002 RF
2009-2010 RF

TNUoS

Transmission Network Use of System (TNUoS) charges recover the cost of installing and maintaining the transmission system in England, Wales, Scotland and offshore. Transmission customers pay a charge based on which geographical zone they are in, whether they are generation or supply, and the size of that generation or supply. 

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