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| 1 |
ID:
112229
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| Publication |
2012.
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| Summary/Abstract |
This viewpoint article, New light on an Old Problem, aims to stimulate thought and discussion on pathways to rapid emission reduction trajectories. It considers briefly the history of the Australian energy system and recent attempts to support emerging, distributed energy supply systems, before exploring the importance of new energy supply models and how they may emerge organically, ahead of further policy and regulatory shifts in Australia. The article is shaped by extensive primary research, literature review and engagement with policy makers, industry and community organisations, energy market institutions, colleagues and others over a period of four years. It outlines how new business models may reduce emissions ahead of policy and regulation, and the importance of keeping an open mind when considering 'barriers' to distributed energy. We hope this article will spark interest and dialogue with colleagues who may be experiencing and grappling with similar challenges.
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| 2 |
ID:
166358
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| Summary/Abstract |
Australia has one of the highest penetrations of residential PV in the world and is projected to see substantially more deployment in coming years, with a growing proportion of this being coupled with battery energy storage (BES). Previous analysis of the implications of these residential distributed energy resources (DERs) has tended to focus on the individual private benefits to households that deploy them, their direct technical and revenue impacts on network businesses, or broader electricity industry implications. This paper seeks to quantify the economic impacts of residential PV and BES on electricity network businesses, from residential to wholesale market region level. One key impact is reductions in network business revenues as households purchase less electricity from the grid. However, we also consider the potential savings for network businesses as these PV and BES deployments reduce peak network demand from residential to wholesale market level, a key driver of network investment and hence network business costs. Our findings for the Sydney region suggest that potential network investment cost reductions could even outweigh the loss of revenue. Tariff design will have a key role in ensuring that residential PV and BES deployment offers value both to households as well as network businesses.
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