Articles

Power System Frequency – What is it doing? – Why does it matter?

The East Coast power system of Australia has the worst frequency regulation in the developed world. This puts the system at risk whenever an event occurs which requires the generators to respond quickly – they can’t respond quickly if they have to wait for the system frequency to go outside its control system dead band.

Tagged , , |

Let’s Keep Talking About FCAS

Following on from the Let’s Talk About FCAS post, the focus of this post is the business case and subsequent optimisation challenge for getting involved in FCAS, now that the technical performance components have been mostly addressed.

Tagged , , , , |

Short term forecasting of wind power plant generation for the provision of ancillary services

As NEM wind power plants progressively work towards implementing FCAS, the criticality of ensuring that the power system either a) takes account of the variability in the wind forecasts coming from the wind power plants in the coming 5-7 minutes and follows the wind direction, or b) sets an appropriate dispatch level to ensure wind variability is minimized, becomes even more important for market and power system operators.

Tagged , , |

Power station ‘trips’ are normal, but blackouts are not

Understanding the difference between blackouts, generator trips and intermittent generation and how these events are managed.

Tagged , , , , |

Grandfathers Axe or Low Hanging Fruit?

Upgrading our existing coal thermal fleet to increase efficiency and flexibility could provide a cost-effective opportunity to add dispatchable capacity and lower the overall carbon intensity of our electricity sector.

Tagged , , , , , |

Third peak Scheduled Demand in Queensland in 3 days - 9,924 MW at 16:50 Wednesday 14th February

A new peak Scheduled Demand and Operational Demand in Queensland today with Scheduled Demand still over 9,100 MW after 8 PM.

Tagged , , , , , |

Queensland region sees a new record peak Scheduled Demand – at 18:50 on Monday 12th February

Queensland experienced a new record for Scheduled Demand for electricity today – but what’s particular staggering is how late in the day it happened!

Tagged , , , , |

Available Generation reduction across Loy yang A and Loy Yang B over Sunday evening was only 420MW

A brief look at the numbers with the temporary coal supply issue affecting Loy Yang A and Loy Yang B overnight

Tagged , , , , , |

High electricity demand forecast for Queensland – on Monday, Tuesday and Wednesday next week

Looks like being an interesting day on Wednesday next week (14th February 2018) with high temperatures currently forecast for parts of both QLD and NSW

Tagged , , , , |

Victorian demand rises above 9,000MW – which (in combination with other factors) leads to a volatile day in the southern regions

On a day when high temperatures drove demand in Victoria above 9,000MW (and NEM-wide demand above 30,000MW) we saw some price volatility – with prices in VIC and SA up around $14,000/MWh

Tagged , , , , , , |