NSW region hit new ‘lowest ever’ point for Market Demand on Sunday 9th October 2023
A quick record of a new ‘lowest ever’ point for Market Demand in NSW on Sunday 8th October 2023
rooftop solar
Curtailment of rooftop PV underway in South Australia
A short initial article to note that curtailment of distributed PV is underway in South Australia under processes previously established by the AEMO.
Uncharted territory for rooftop PV in South Australia
Hot on the heels of a new low point for Operational Demand in South Australia on the weekend, this evening AEMO warns of an ‘elevated risk of contingent disconnection of Distributed PV’ tomorrow (Wed 19th Oct 2022).
Rooftop PV output during QLD’s heatwave week – Part A – Regional overview
This article – Part A of a 2 part series – reviews how rooftop PV output varied and considers its influence on Queensland demand on the 1st and 2nd of February, 2022.
Big Trouble For Bad Installers As Clean Energy Regulator Shows Its Teeth
Ron Brakels of SolarQuotes examines recent changes that will put the CER in charge of accreditation, which he explains is aimed at “kicking crap solar installers out of the industry”.
With ‘Minimum Demand’ plunging across mainland regions, AEMO initiates new Market Notices relating to Rooftop PV
Just last Friday the AEMO notified stakeholders more broadly about their new Market Notice Framework about ‘Minimum System Load’ and/or ‘Distributed Photovoltaics (DPV) Contingency’ … prior to Sunday’s new lowest point for minimum demand in South Australia!
Several QLD price spikes on Saturday 10th April 2021
Three price spikes in the QLD region on Saturday 10th April 2021 help to remind us that how increasingly dependent we are on various machinations of the weather (including, on these occasions, cloud cover and solar output).
How my power company is misleading me with every bill I get, and what this means for other consumers
After reviewing a monthly electricity bill for 2021, Murray Hogarth of Wattwatchers discusses issues arising from ‘smart meters’ and how a lack of accurate data for electricity consumption may be misleading many consumers.
Rooftop PV drives daytime Scheduled Demand even lower than the low point a month ago … lowest level in 16 years on Sunday 27th September 2020
A month on from the prior low point seen for Scheduled Demand (and Operational Demand) across Queensland in the middle of the day, the low point mark is driven lower still on Sunday 27th September 2020.
Analysis of my home battery + solar system’s first year performance
Guest author, Andrew Wilson, reviews the performance of his home solar + battery system at the one year mark after installation.
Solar production suffers significantly (NEM-wide) today with widespread cloud and rain event
Some quick notes today, to document high-level data (to be explored later) relating to some significantly depressed solar harvest data today due to the widespread cloud/wind event.
Why controlling residential solar inverters is more complicated than it appears
SwitchDin’s Joseph Kassouf examines the real-world challenges of coordinating control of rooftop solar inverters.
Small Solar Should Embrace Control
Tom Geiser, Senior Market Manager at Neoen, discusses the merits of proportional, relative control on the issue of small solar curtailment.
Rooftop Solar PV systems did trip in SA on Friday 31st January 2020 in conjunction with the Heywood trip
Investing some time over the weekend with a some higher-speed data on output of rooftop solar PV systems across VIC and SA reveals some interesting observations about what happened on Friday 31st January 2020 in conjunction with the transmission damage and Heywood trip.
Monday’s NSW rain/hail storms also dampens solar output
Following yesterday’s dust storms, today’s rain (and hail) also sweep through NSW to dampen production from solar farms – small and large.
The (ongoing!) opacity of distributed, small-scale solar PV output
42 months after I posted some initial thoughts about “the opacity of rooftop PV” it seems that – when viewed in certain ways, discussed here – the problem is actually getting worse, not better.
Too much solar? For whom exactly?
Recently there have been a number of media reports of energy industry people talking about too much solar. One of our guest authors takes a look.