Chart of the week | The end of coal as we know it?

Coal-fired generation is in the news again, as Great Britain experiences over 50 hours without any coal-fired power stations. This week’s Chart of the week we look at the key-value benchmark ‘clean dark spread’.

The clean dark spread is the notional profit from selling power and buying coal and carbon for an average station. The average dark spread for the winter just gone was just £5/MWh. Moreover for much of October and January value was negligible. 

To keep reading, please log in to your account

Alternatively, please sign up to receive free market insight online and direct to your inbox

Related thinking

Low carbon generation

Australian Chart of the week | VRE pays more as PFR helps reduce coal FCAS costs

In our previous ‘Chart of the week’ in November 2020, we reviewed the increasing percentage of causer pays cost that solar generators bear due to their generation profiles and how this results in them paying significantly more of the causer pays cost as a ratio of the generation they provide. More than...

Low carbon generation

Australian Chart of the week | If I should stay, I’ll only be in your way: coal and the transition

Events in Queensland on 25 May 2021 tested the resilience of the Queensland demand/supply balance with 3GW of coal generation suddenly coming offline due to a loss of generation at the Callide power station. According to AEMO’s preliminary report – released on 1 June 2021 – on the event, the outage also...

Low carbon generation

Australian Chart of the week | A view of captured prices by technology in New South Wales

This Chart of the week examines the historical captured prices of selected technologies within NSW for the last 10 years. Figure 1 shows the historical rolling monthly average of captured prices of various technologies within New South Wales against the monthly generation of variable renewable resources including small scale rooftop....

Energy storage and flexibility

Australian Chart of the week | Round and Round the Market: Black Coal vs Batteries

This year appears to be the year of the battery, with the volume of projects that have been announced or in some stage of planning approaching the 10GW mark it is worth taking a look at how batteries are performing in the FCAS markets over the last two years. Currently...

Low carbon generation

Australian Chart of the week | When less could be more – on the states’ green targets

This week’s ‘Chart of the week’ looks at the impact of the states’ targets on the overall NEM’s demand-supply profile. We start with the time-of-day average generation profile in 2020; add the extra renewable needed for the states’ 2030 targets; but also subtract coal and gas that are projected to...

Energy storage and flexibility

Australian Chart of the week | Slow is smooth and smooth is fast for the NEM transition

Reporting season is all but over for the energy majors in Australia and that has left us with a bevy of takeaways on the sentiment for the not-so-distant future. A key thread among reports has been the current low-price environment in the NEM. This is a topic that we have...

Energy storage and flexibility

Australian Chart of the week | Show me the future: can storage bank on FCAS being bankable?

Previously we have examined the importance in FCAS prices for the revenue stream for batteries. With a growing interest in batteries in the market, this ‘Chart of the week’ takes a deeper look into the impact of bidding behaviour on the Regulation Raise price since 2012. From January 2012 until...

Energy storage and flexibility

Australian Chart of the week | Push it to the limit: the evolution of MPC & market tightness

With summer officially starting last Tuesday, the National Electricity Market (NEM) is about to go through the season that typically has the highest demand. Market tightness usually seen during summer sometimes pushes power prices to their maximum level – the Market Price Cap (MPC) – currently set at $15,000/MWh. In...