The Week in Flexibility: Solar and wind output dominates the weekend leading to negative day ahead prices
Although days may be blurring as the UK lockdown continues, the past weekend was markedly different than the days preceding as far as power consumption goes.
We anticipate that demand for power will fall as the effects of Covid-19 start to take hold across the UK – but last week (and indeed at the time of typing this blog) it’s business as usual as far as dispatch goes.
The Week in Flexibility: Wednesday wows with a huge system price spike while Thursday brings a close frequency call
On Wednesday night we witnessed an unusually high system price. The imbalance price on the UK grid hit £2,242 at SP37 (1800-1830) and then £1,708 for SP38 (1830-1900). After which, it dropped back down to a ‘normal operating range’, before crashing to £0 making it a night – all in the space of 2 hours.
The week before last, wind dominated the flexibility highlights, and last week saw similar outperformance and curtailment, with storm Jorge adding to the record wind delivery in February.
Anyone making observations into last week’s market would likely have found themselves stuck on repeat talking about the impact of wind.
After a turbulent weekend with Storm Ciara (8/9 February), last week kicked off with short power system for most of the day, with exceptionally high demand prompting National Grid to update its forecasts by around 1GW within day.
The Week in Flexibility: Storm Ciara brings asset trips, turbine halts and a close call with a frequency drop
As the clean-up operation for Storm Ciara gets underway, there were a number of notable grid operation and flexibility points over the course of the storm.
The Week in Flexibility: Strong demand and nuclear outage pressure the system – and conditions create a bumper week for Limejump customers
Last week kicked off with a Monday dominated by strong demand. The system was already strained with a short in-day outage on the Heysham 27 nuclear power plant and some struggling CCGTs.
The Fortnight in Flexibility: Disruptive CCGT and extreme imbalances paint the picture of the past two weeks
Welcome to a bumper two-week issue of our Week in Flexibility blog. 55 was the number of the day on Tuesday 14th January, with the day’s prices hovering at £55/MWh for pretty much the whole day.