ELEXON insights

ELEXON produce a number of insight articles each year, usually prompted by significant events or changes within the electricity industry. Our authors are known for their impartiality, experience and knowledge and have access to a large amount of data to support their findings or comments.

What’s the impact of changing DMAT and CADL? 
Emma Tribe’s insight article highlights the potential impact on prices of changing the De Minimis Acceptance Threshold and the Continuous Acceptance Duration Limit.
(Published: November 2018)

Reviewing our introduction seminar
Jessica Porter’s article explains what is involved on the day and how we use the feedback we receive to develop the event further and ensure we meet customer needs.
(Published: October 2018)

Negative short System Price on 18 September 2018
Emma Tribe’s article looks at Settlement Period 9 on 18 September 2018, when the System Price was -£6.25/MWh.
(Published: October 2018)

Audit results suggest issues for TAA Inspection Visits
PAB’s review of TAA Inspection Visits found that further active engagement with the process, on the part of Meter Operators, Registrants and Distributors is the key to improving rates of ‘no access’ on TAA Inspection Visits.
(Published: October 2018)

1 November 2018 changes to the System Price Calculation
Emma Tribe looks at how the November 2018 BSC Modification P305 changes can impact System Prices.
(Published: September 2018)

Unlocking the benefits to end consumers
Nick Rubin looks at the transformations and challenges that exist in the electricity market and considers ways of unlocking the benefits to end consumers.
(Published: September 2018)

Impact of temperature on System Prices
Thomas Demetriades looks at how the temperature influences the System Price. When we feel more extreme temperatures (temperatures greater than 25°C or lower than 5°C) the system is Short in 66% of Settlement Periods.
(Published: August 2018)

Replacement Price setting the Imbalance Price
Emma Tribe’s SPAR insight article looks at how often the Replacement Price is calculated using the Market Index Price (MIP). Where there are no priced actions, the Replacement Price sets the Imbalance Price.
(Published: July 2018)

How tagging changes the System Price
Emma Tribe’s SPAR insight article takes a detailed look at how tagging affects the System Price calculation. By removing volumes from the top or bottom of the pricing stack the System Price decreases or increases.
(Published: May 2018)

White paper on multiple providers
Jon Spence’s white paper offers an ELEXON view of how BSC central services could be adapted to offer Settlement solutions in support of individual customers buying electricity from more than one supplier.
(Published: April 2018)

Zonal Transmission Losses
This briefing note provides background information to the Competition and Markets Authority (CMA) remedy relating to the allocation of transmission losses set out in the CMA’s report of its investigation into the energy market.
(Published: April 2018)

System Prices from 2001 to 2016: a price for all seasons
Emma Tribe’s article, A price for all seasons, time travels with System Prices looking at seasonal trends from 2001 to 2016. It uses analysis from the System Price Analysis Report (SPAR) August 2017.
(Published: October 2017)

The BSC Panel, a template for panel constitution?
This Insight artcile looks at why the BSC Panel model is frequently cited as one of the better models for ensuring broad representation of stakeholders to feel they are engaged and their views understood within the code panel.
(Published: August 2017)

Insight relating to Ofgem consultation on Code Governance Reform
This briefing note offers an ELEXON view of Ofgem’s initial consultation on Industry Code Governance (implementing the Competition and Markets Authority’s (CMA) recommendations).
(Published: June 2017)

The Imbalance Price Olympics
Emma Tribe’s article highlights how the Imbalance Price made a high jump on 17 May 2017 as it rose above £1,000/MWh between 15:30 and 17:00. The high prices seen in this period were significantly different from £48.93/MWh, which is what the average System Price between 15:30 and 17:00 in May 2017 had been prior.
(Published: May 2017)

First day off for coal in 130 years
Emma Tribe and David Thomas write about Friday 21 April 2017 which was the first day in 130 years where no electricity was generated by coal in the UK. But what’s filling the gap
(Published: April 2017)

ELEXON insights: P305 post implementation review
Emma Tribe’s 12 month review of P305 is provided by ELEXON to contribute to all interested parties’ understanding of the BSC Modification. The review presents factual information rather than an assessment of the success of the Modification.
(Published: February 2017)

Getting the most from distributed energy resources 
This insight briefing highlights how policy is driving great change, in particular at the local level with: subsidies driving increasing distributed generation; the encouragement of greater electrification of transport and heat creating opportunities for distributed storage; as well as the prospective rollout of Smart Meters capable of providing halfhour interval data, which helps open the door to time of use tariffs and greater demand-side response.
(Published: March 2015)

Encouraging local energy supply through a local balancing unit 
This insight briefing highlights how the Community Energy Strategy, published by the government, has confirmed it would like to see the formation of decentralised energy markets. We take a look at how a minor change to the current rules might help nurture local energy supply.
(Published: March 2015)

Maximising the value from Demand Side Response (DSR)
This insight briefing looks at the value and  use of Demand Side Response (DSR) in the electricity market which is expected to grow over the period to 2030. New market models, that coordinate and optimise its use, are needed to ensure customers get the full benefits.
(Published: March 2015)

Electricity storage in the GB market 
This insight briefing considers the conventional GB electricity market model of large scale, controllable, thermal generation operating to meet predictable patterns of demand which is becoming less relevant as the penetration of low carbon generation technologies increases and the advance of ‘smart’ technologies changes patterns of consumption
(Published: March 2015)

Active management of distributed generation 
This ELEXON insight briefing considers how the commercial arrangements needed to support the UK Government’s commitment to reduce greenhouse gas emissions by at least 80% by 2050, could develop. 
(Published: March 2015)



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