ReNew Issue 129

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Community energy special

This issue takes a tour of community solar projects happening in Australia right now, as well as community-owned microgrids, disruptive social innovations and what it takes to get a community wind farm up and running. It also includes our efficient hot water systems buyers guide, a look at microinverters, EVs and how they affect demand management,  small hydro in Tassie, a DIY computer monitor from a dead laptop, making caravan fridges more efficient, building with hemp, the basics of inverters and much more!

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Issue Contents:

Issue 129 October-December 2014 is out now! As always, ReNew comes overflowing with articles to satisfy both the technically and the not-so-technically minded. Regardless of whether your interest is photovoltaic cells, recycling, or even environmentally responsible building techniques, there is something for you in this issue.

ReNew 129 has ‘building sustainable communities’ as its focus. Inside you’ll find:

  • Building with hemp

    Kiara Pecenko visits this build-in-progress to talk to a couple who’ve found that hemp has everything you could want in a sustainable building material.

  • How EVs affect demand management

    Marcus Brazil and Julian de Hoog explain how demand-side management can help alleviate issues with more EVs on the grid.

  • River power

    Dr Catriona McLeod reports on a project harnessing a large renewable resource, at a smaller scale, in Tasmania.

  • As easy as DC to AC: inverter basics

    Almost all renewable energy systems use at least one inverter. But what exactly are they and how do they work? Lance Turner explains.

  • Microinverter potential

    Passing fad or serious contender? Industry analyst Nigel Morris explores the common questions he gets asked about microinverters.

  • ATA and community energy

    It’s an exciting time for community energy, and the ATA is proud to be a part of it. Craig Memery describes what the ATA is doing to help community energy projects get going.

  • VNM—an important TLA!

    Mark Byrne explains why virtual net metering may be an important TLA (three letter acronym) in the community energy arena.

  • Community-owned microgrids

    Tosh Szatow explores community ownership of microgrids: the challenges and solutions.

  • Community solar

    Taryn Lane from Embark, a community energy ‘wiki’, surveys the ever-growing field of community solar projects in Australia.

  • Energising rural communities

    This community energy project in Cowra has the potential to be a blueprint for revitalising rural towns, writes Robyn Deed.

  • Tale of two wind farms

    What does it take to get a community wind farm up and running? Andrew Woodroffe looks at a couple of projects.

  • Making money when the sun shines

    The ATA’s new tool for calculating the economics of solar installations can use half-hourly consumption and insolation data to give a much more accurate view of the benefits. Andrew Reddaway explains.

  • Renovating with HelpX

    Kiara Pecenko explores the world of HelpX and how one Melbourne household has used it to help run their life and their renovation.

  • Changing the world

    Samuel Alexander considers just how far community action can go to help build a more sustainable future.

  • Learning for the future

    Mischa Vickas investigates the renewable energy courses on offer and the opportunities available in our mini-guide.

  • Efficient hot water buyers guide

    We show you how solar and heat pump hot water systems work, what’s available and how to choose one to best suit your needs.

  • Winter Energy Challenge

    And the winner is… Find out how ReNew readers are reducing their energy use in winter, and the winning entry.

  • Fridges for caravans

    Collyn Rivers looks at simple ways to improve the performance of fridges in caravans—particularly important when they’re running off batteries.

  • Reuse before recycling

    Lance Turner explains how he made good (re)use of a screen from a dead laptop.

  • The Pears Report

    Alan Pears considers the interesting future for energy providers and energy efficiency in Australia, and globally.

  • Member profile: the environmental advocate

    Nick Towle and his wife Michelle have found that real-life examples (including their own ‘eco-bling’) are the most powerful way to initiate change in their local community, writes Emily Braham.