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The Substation Podcast
The Substation Podcast
25 episodes
3 days ago
A place for independent electricity market, systems and technology chat. Two energy geeks who want to share what they know and learn about the energy transition. Get in touch at thesubstationpodcast@gmail.com or follow us on Twitter at @substationpod
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Technology
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All content for The Substation Podcast is the property of The Substation Podcast and is served directly from their servers with no modification, redirects, or rehosting. The podcast is not affiliated with or endorsed by Podjoint in any way.
A place for independent electricity market, systems and technology chat. Two energy geeks who want to share what they know and learn about the energy transition. Get in touch at thesubstationpodcast@gmail.com or follow us on Twitter at @substationpod
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Technology
Episodes (20/25)
The Substation Podcast
Skip Rates in the Electricity Market

Tom and Emma talk about skip rates - the term used to describe assets not being dispatched in the electricity market, although they're in merit.
They discuss how definitions for skip rates differ across stakeholders, and talk about work underway to improve skip rates. Are they a natural part of balancing a complex system or are they avoidable quirk of old systems?

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1 year ago
35 minutes 17 seconds

The Substation Podcast
Alternatives to Locational Marginal Pricing (LMP)

Tom and Emma discuss options for improving locational signals on the electricity system that aren't Locational Marginal Pricing (LMP). Could reforms to network access, network charging, new markets and services send better signals to the market and reduce constraint costs? Could these options be easier to implement than LMP, and reduce potential investor uncertainty? And why can't we just build more wires?

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1 year ago
42 minutes 1 second

The Substation Podcast
Energy demand – the role for intelligent demand in energy systems with Alex Schoch from Octopus

In the third episode in the series about the role of demand in energy markets, Emma and Tom speak to Alex Schoch, global head of flexibility at Octopus Energy. They discuss how Demand Side Response will evolve to become intelligent demand. Read the Octopus blog about this at: https://octopus.energy/blog/intelligent-demand/ 

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2 years ago
46 minutes 46 seconds

The Substation Podcast
Energy demand – what happens when there’s not enough energy to meet demand?

In the second in a series on the role of demand in energy, Tom and Emma talk about the arrangements in GB gas and electricity systems that are used when the market fails to balance supply and demand. What are the steps taken to avoid disconnecting demand? How is energy rationed when there isn't enough, and how do we return back to normal market operations afterwards?

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2 years ago
40 minutes 38 seconds

The Substation Podcast
Energy demand – the role of demand in energy

In the first in a series about energy demand, Emma and Tom discuss how demand interacts with energy, covering energy efficiency, demand side response, demand destruction and rota disconnections. How should different kinds of demand be incentivised, now and in the future?

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2 years ago
54 minutes 50 seconds

The Substation Podcast
Market design - Time in electricity markets

In the third episode on electricity market design, Tom and Emma ask "What is Time?". But they're not physicists, so they can't answer this question. But they can answer: What's a Settlement Period? What's an EFA Block? What do futures contracts represent? All this - and more - in the latest episode of the Substation Podcast. 

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2 years ago
32 minutes 58 seconds

The Substation Podcast
Alternatives to locational pricing - with Adam Bell

Locational Marginal Pricing seems to be high on the policy agenda after it featured heavily in the Review of Electricity Market Arrangements released recently by BEIS, Emma and Tom chat with Adam Bell from Stonehaven as they attempt to tease apart the strengths and weaknesses of this approach to market design, and discuss possible alternatives. 

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2 years ago
52 minutes 2 seconds

The Substation Podcast
A Clean Energy Standard - with George Day

How might a clean Energy Standard help the energy system deploy towards Net Zero in a cost effective way? A clean energy standard places obligations on consumers and suppliers to secure firm low carbon power. 

Emma and Tom catch up with George Day from the Energy Systems Catapult to talk through some of the implications of its design, its strengths and weaknesses and compare it to some other ideas like market splitting or locational marginal pricing (LMP).

You can read more about the proposals here: https://es.catapult.org.uk/report/rethinking-electricity-markets-the-case-for-emr-2/

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2 years ago
46 minutes 49 seconds

The Substation Podcast
Review of the Electricity Market Arrangements (REMA) - how might market design evolve in GB?

Emma and Tom talk about the latest development in market design in GB, the Government's Review of the Electricity Market Arrangements - REMA. It will be a wide-ranging review, with an ambitious scope, considering all aspects of markets and mechanisms. They talk about historical experience with market reform in GB, possible interventions following REMA, tne importance of governance, and the importance of good acronyms. 

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2 years ago
33 minutes 47 seconds

The Substation Podcast
Market design – self despatch and central despatch

In the second in the series on electricity market design, Tom and Emma discuss the two different approaches to pricing and despatch in electricity markets –central despatch and self despatch. They talk about how we moved from a centralised 'pool' market to a de-centralised market in Great Britain and ask whether there could be a case to move back again.

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3 years ago
49 minutes 58 seconds

The Substation Podcast
Market design - is it time to move away from marginal pricing?

In this episode, Tom and Emma dive into electricity market design. Marignal pricing is a key concept in electricity market design, with the most expensive unit needed to meet demand setting the price for all generators. 

They explain Marginal Pricing and ask whether in a world of rising gas prices and increasing proportions of renewables the marginal pricing principle is still fit for purpose. Could a two phase market work, with a separate 'green power pool' so that pricing is no longer set by expensive fuelled generation? How would this work, and what would the implications be?

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3 years ago
33 minutes 1 second

The Substation Podcast
Security of supply mechanisms in a net zero world

In the third in the series on security of supply mechansims, Tom and Emma ask how they may need to change in the light of net zero. With a changing generation mix, market fundamentals and a climate, how will markets ensure that approrpiate signals are sent to firm, reliable (and clean) capacity to keep the lights on? 

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3 years ago
47 minutes 29 seconds

The Substation Podcast
Security of supply market mechansims

In the second on a series on security of supply, Tom and Emma talk about market mechanisms for insuring security of supply; how signals are sent to market participants to help keep the lights on - capacity mechansims, pricing signals, ancillary services, price controls, and retirement homes for old power stations. They ask questions such as: What are the options for designing a capacity mechanism? What is an energy only market? How does network capacity support security of supply? 

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3 years ago
37 minutes 51 seconds

The Substation Podcast
Locational Marginal Pricing - with Ed Birkett

We're joined by Ed Birkett to discuss how the electricity market could change to reflect the value of energy in different places, though the introduction of Locational Marginal Pricing (LMP). 

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3 years ago
45 minutes 13 seconds

The Substation Podcast
Local Flexibility - with Randolph Brazier

Have you ever wondered what a Distribution System Operator (DSO) is? Why is it different to the network owners (DNOs)? Why do we need flexibility in the distribution network, and why is it so important? 

Join Emma and Tom as they ask these questions, and more, and have them answered by distribution flexibility expert Randolph Brazier, Director of Innovation and Electricity Systems at the Energy Networks Association (ENA).

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3 years ago
51 minutes 20 seconds

The Substation Podcast
Introduction to Security of Supply

In the first episode in a series on Security of Supply, Emma and Tom talk about why it's so important to ensure security of supply in gas and electricity, and some of the key concepts related to it, including margins, types of interuption and value of lost load (VoLL). 

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3 years ago
44 minutes 42 seconds

The Substation Podcast
The future of energy data - utopia or dystopia?

What could the future of data in energy look like? Tom presents differnet views of the future of energy data with the help of sci-fi references. 

Some of our imagined futures included the utopias:
1. Real time pricing as standard - locational real time pricing which is sufficiently clear enough to predict with some level of accuracy to allow operation and scheduling
2. Energy brokers for everyone - Digital assistants that can schedule your gadgets and buy power on your behalf, think an Alexa that has a trading account with the BSC
3. Energy system digital twins - digital twins that run in parallel with the real system allowing parties to simulate outcomes of real time events before they happen

And then we thought about the dystopias:
1. Push notification hell - customers and supplier relationships mediated through push notifications that drive undesirable behavior
2. Permanent stasis - nothing really changes, and there are few improvements.

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3 years ago
42 minutes 29 seconds

The Substation Podcast
Christmas Energy Quiz

Tom and Emma are joined by Tom Palmer for a Christmas-themed energy quiz. Play along! The questions are: 

  1. How many kilometers can a Tesla car travel using the energy it would take to stream an hour of netflix? 
  2. In what year was natural gas first brought into the UK from our own gas fields? 
  3. What animals have solar farms been built in the shape of?
  4. What country has the oldest operational nuclear plant?
  5. What country has the largest estimated amount of lithium reserves? 
  6. What is the capacity of coal-fired generation in China in 2021? 
  7. What is the gross power output of the worlds northern most nuclear power plant in MW?
  8. When is peak electricity demand in GB on Christmas day? 
  9. What was the largest TV pick-up on Christmas day in GB?
  10. What renewable energy featured in the 2020 Coca-Cola ad?


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3 years ago
45 minutes 13 seconds

The Substation Podcast
Buzz Bar - National Grid Future Market Design deep dive

In this (not so) short episode, Emma and Tom do a page turn on the November 2021 publication from National Grid on Net Zero Market Reform. Read along at: https://www.nationalgrideso.com/document/221776/download

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3 years ago
47 minutes 29 seconds

The Substation Podcast
Data on the distribution system

In this episode, Tom and Emma talk about the role of data on the distribution system in GB. They cover the historical context, how this has changed over time, and recent and future initatives to improve data and visibility about distribution connected assets. 

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3 years ago
40 minutes 38 seconds

The Substation Podcast
A place for independent electricity market, systems and technology chat. Two energy geeks who want to share what they know and learn about the energy transition. Get in touch at thesubstationpodcast@gmail.com or follow us on Twitter at @substationpod