Monthly Archives: February 2017

A personal experience of spot-price paid solar injections

The recent demise of start-up retailer, Urth Energy (suspended from the market by the AEMO on 1st February) was an unfortunate development on this path of the energy transition.

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EnerNOC seems to have grossly under-represented the amount of Demand Response active in the NEM

The level of Demand Response currently active in Australia’s National Electricity Market is higher than some are estimating.

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Question – in an interconnected electricity system (and market), when did it become acceptable to neglect a systems view?

Because of (technical and commercial) interconnectedness in the National Electricity Market, the possibility of unintended consequences should be kept in mind

Question – when did it become the case that “Incumbency” automatically means any view they express is wrong?

“Incumbency” seems to have become a pejorative in the NEM

Small solar owners saved the NSW electricity market $888 million during heatwave

New South Wales recently experienced a severe heatwave, which saw parts of the state exceed 45°C. During this three day period, small solar PV (i.e. PV systems that are not registered as generators in the NEM), generated about 17 GWh of power.

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How tight demand/supply situations can make solar forecasting important

NSW demand rose to a near-record high on Friday the 10th of February, and QLD soared to a new record demand on that Sunday, amidst an intense heatwave. While this heat-stressed our electricity markets and infrastructure, the nation’s rooftop solar PV systems were providing critical load reduction under plentiful sunshine.

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Five fixes for the NEM

Load shedding in South Australia on Wednesday 8 February and successive ‘close shaves’ in NSW and Queensland as the heatwave spread north have exposed serious weaknesses in the national electricity market (NEM).

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Interesting take, by battery maker Sonnen, on the “free energy” business model

Some brief thoughts on one innovative business model being introduced to the NEM incorporating batteries, demand response, and free energy

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Key Events Timeline – NSW Friday 10 Feb 2017

A summary timeline of how last Friday’s “white knuckle ride” in NSW evolved, highlighting key events on the day.

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Examining why Pelican Point didn’t bid full capacity into the NEM on Wednesday 8 February

Some thoughts by our guest author, about possible reasons why Engie did not bid full output of Pelican Point power station into AEMO on Wednesday 8th February (i.e. the time at which load shedding eventuated).

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