The Blockchain Buzz

Over the past several months, there has been an increase in the amount of reference to Blockchain technology and what it can do for the renewable energy sector. Much has been written about this technology such as this article and this article. A number of global companies have even started to trial blockchain based energy […]

Building Integrated Photovoltaics: What is the potential for this PV technology?

Building Integrated Photovoltaics (BIPV), as the name suggests, describe a PV system where solar PV modules are integrated within a building’s envelope, as oppose to conventional PV systems where modules are mounted on the top of existing roofs. BIPV products have been commercially available since the 1990s in Europe, but have not played a major […]

The Duck Curve – the duck hunting season we want to have

The power blackout in South Australia in September 2016 produced numerous ‘experts’ to analyse the causes of this event. The Australian press, politicians, shock-jocks and the public all had their particular slant to apply when assessing why this catastrophic failure occurred. GSES thought it opportune to provide some contextualised background to how distributed renewable generation, […]

Connection of Inverter Energy Systems to the Grid: New requirements surround residual current devices

The industry has seen rapid uptake of solar PV and energy storage systems connected to multiple mode, or ‘hybrid’, inverters and battery systems over recent months. This has prompted many questions from installers and designers regarding the connection of inverter energy systems to existing electrical installations. While many common questions regarding connecting IES systems can […]

Battery Storage Systems: What are their chemical hazards?

While consumer interest in battery storage systems continues, an issue often overlooked when discussing the pros and cons of battery storage systems is the chemical hazards associated with the battery technology and ways of managing these hazards. An array of battery chemistries is available on the commercial market, and the range of products continues to […]

Generous Feed-in-tariff Schemes: their demise and what information is useful for affected system owners?

Various generous feed-in tariff (FiT) schemes, including NSW’s 60c Solar Bonus Scheme, will come to an end on the 31st December 2016. It is estimated that over 275, 000 households in Australia will be affected by these changes to feed-in tariffs. For PV system owners in states other than NSW, feed-in tariff rates will be […]

Battery Charging on AC Coupled Grid Connected Battery Systems

The advent of Grid Connected Battery (GCB) systems in Australia has led to increased interest in coupling GCB systems with existing or new solar PV system to increase energy self-sufficiency. GCB systems can be connected to a PV system as a DC coupled system, where the PV array is connected through a charge controller directly […]

A Practical Guide to PV Efficiency

At the end of June 2016, the world record for efficiency of rooftop solar modules was broken again: the US-based PV manufacturing company SunPower achieved an efficiency of 24.1% for a monocrystalline silicon-based PV panel, over 2% higher than the previous record. This news came shortly after the announcement earlier in the month of Hanwha […]

Residential energy storage: Are we ready?

The rise of residential batteries In the past year we have seen the first significant uptake of Grid Connected Battery (GCB) systems in Australia. In years gone by, batteries were used for standalone systems that were far from any poles and wires, i.e. in areas with no access to the electricity grid. However, we now […]

Configuring Battery Storage Products – Comparing Apples and Oranges?

The renewables market is currently being flooded with energy storage products to meet the increasing demand and hype for this technology. All of these products present a similar, well-scripted value proposition and all offer to deliver similar functionality. As a result, this rapid rush to market of these products and their advertising has created the […]

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