Transmission network use of system (TNUoS) charges are partly based on a locational element, determined by which charging zone the network user is in. There are currently 27 zones for generators – in this Chart of the Week we look at how National Grid ESO is seeking to change that.
To keep reading, please log in to your account
Related thinking
Power and gas networks
Trouble Ahead? – What’s Next For TNUoS Charges?
Some industry participants will be well versed in the Transmission Network Use of System (TNUoS) charging regime, while others may not have had to engage with it before. Regardless of previous involvement, these charges are becoming increasingly important to understand for reasons we will discuss shortly. In this week’s ‘Chart...
Power and gas networks
Sharing is Caring: UK Gas and Power Exports Volumes Versus 2021
It is perhaps unsurprising to highlight that global energy markets have been exposed to significant volatility in recent years. Whether this be through the emergence of a global pandemic, dampening demand and drastically altering consumption behaviour thereafter, to the Russian invasion of Ukraine which resulted in significant changes to historic...
Home supply and services
A bumpy ride: Why rising wholesale prices are impacting NTS charges
Due to the current energy crisis, consumer energy bills have been exposed to substantial increases over the past year. The recent rise in wholesale prices has had knock-on effects in many non-commodity costs within consumer bills, some of which will be baked into charges for several years to come In...
Energy storage and flexibility
Record renewables pipeline: will investors reconsider after UK proposes green revenue cap?
News this week that the UK government is mulling over a cap on green generation revenues comes at a time when our research finds that the investment pipeline for electricity renewables generation is the highest it has ever been. In our Renewables Pipeline Tracker (RPT) service we analyse the growing...
Low carbon generation
BSUoS charges: What goes up…
Balancing Service Use of System (BSUoS) charges have continued to be the dominant driver of Third-Party Charge increases in recent months, with costs remaining elevated since last autumn. In this 'Chart of the week', we present a view of past monthly BSUoS charges and expectations for future costs on a...
Business supply and services
Balancing costs exceed £200mn for three consecutive months
High underlying commodity and carbon costs haven’t only impacted costs in the wholesale market. From April 2021 to the end of October 2021, balancing costs on the electricity transmission system have totalled £1.29bn. This represents a £301.88mn (30.6%) increase in costs over the same period in 2020, where total costs...
Low carbon generation
Embedded generators and the future of TNUoS charging
Electricity network charges are currently undergoing a significant period of reform to ensure that charging methodologies are fit for purpose in the transitioning energy market. Transmission Network Use of System (TNUoS) generator charges are a particular topic of debate at present, with locational tariffs raising concern by some parties and...
Energy storage and flexibility
Grid works hard for the money: an annual look back at BSUoS
This weeks Chart of the Week takes a look at the costs incurred from balancing the electricity system over the last 12 months. The cost of all the actions and day-to-day operation of the electricity system are recovered through Balancing Services Use of System (BSUoS) charges. This changes in each...
