To find the right solar panel, you can’t beat thorough research

THE rebate for residential solar panels has changed, yet again. From the start of July, the cash back available from the federal government will be cut by between $2000 and $2500.

Solar retailers and installers are experiencing a rush of demand before the fall. Many are already booked up until the new financial year, and those that aren’t yet are warning customers to get in quickly.

So if you’re considering purchasing a solar photovoltaic system, it’s worthwhile investigating your options now. But if you miss the deadline, all is not lost – prices may not rise too much.

The federal rebate is based on the trading value of ‘small-scale technology certificates’ (formerly known as RECs), which are created when solar hot water and solar electricity systems are installed. Presently, householders receive a credit of five times the certificate price, but the recent glut of installations has meant that the price – and therefore, the rebate – is lower than usual.

The multiplier will be cut to three from mid-year, and progressively reduced until 2013.

Russell Marsh, policy director at the Clean Energy Council, says the strong Australian dollar and falling costs in the industry mean that despite a smaller rebate, the price of a system won’t increase significantly in the second half of the year.

“Costs are coming down quicker than most people expected. The market is booming – there could be nearly 300,000 houses with systems on their roofs before the end of this year. We suspect [the rebate change] will have a small impact on price,” he says.

Mr Marsh says a good quality, 1.5-kilowatt system will set you back about $4000, out of pocket, depending on installation costs. For an average household, the payback period is around seven years.

If your head isn’t spinning already, you also need to consider the state rebates, known as ‘feed-in tariffs’. In Victoria, power retailers credit panel-owners 60 cents per kilowatt-hour for any surplus energy they feed into the grid (for the next fifteen years).

But new owners may soon miss out. “That premium tariff has a limit and we expect it to be reached within the next six months, or sooner,” Mr Marsh says.

Of course, there’s much more to consider than prices and rebates. To help, the Clean Energy Council has produced a detailed guide to buying solar panels. It covers basic information about the technology and its suitability for your home, together with a checklist for installation and comprehensive lists of questions to ask retailers and tradespeople.

For even more information, try the articles and podcasts put together by Choice.

Ingrid Just, from the consumer advocate, says a 1.5-kilowatt system produces about a third of the energy used by an average household.

“Firstly, get into the habit of reducing your energy consumption,” she says. “Australians tend to use a lot of electricity, so you should look at how much panel capacity you actually need.”

Before you buy anything, be sure to research thoroughly: ask your energy retailer about the tariffs it offers panel-owners and get quotes from a number of retailers and installers.

“Make sure you’re using an accredited installer and that any panel you consider meets Australian Standards,” she says. “Look for a warranty of 25 years from a company you trust.”

Read this article at The Age online

A mix of ingredients will put your compost on the top of the heap

GARDENING guru and landscape architect Costa Georgiadis can’t get enough vegie scraps. To feed his chooks and worms, and his compost pile, he imports peelings from neighbours.

“I’ve got a bin at the front and another one on the side street and my neighbours drop their scraps in them,” he says. “It’s a wonderful resource and everyone has it.”

Today marks the start of International Composting Awareness Week. To celebrate, Cultivating Community and Yarra City Council are holding a ‘Composter’s Composium’ next Saturday, May 7, at Smith Reserve in Fitzroy, from 11 am. The event will be a humus-inducing extravaganza, complete with live music, a workshop by Mr Georgiadis and (nearly) every kind of composting contraption known to urban living.

Lisa Coffa, senior waste officer at the council, says organic waste still comprises over half the kerbside collection, by weight. “It imposes great demands on our infrastructure and requires a lot of resources to pick up,” she says.

But that’s not all – every tonne of green waste in landfill causes about a tonne of greenhouse gas emissions. Ms Coffa says composting is a low cost, low-tech, local solution. Most councils, including Yarra, offer residents a discount on worm farms and bins, as well as advice on how to do it right.

“For most people, it’s very easy to convert green waste into something productive,” she says. “If you’re composting, you are better connected to your food source. It makes the link between what you purchase and what you throw away.”

For his part, Mr Georgiadis likens composting to cooking. “When you make compost, you transform the ingredients into something edible, with the help of microbes and worms and plants. You’re actually a chef, cooking your own chemical-free elixir.”

His first tip is to prepare well. “Compost gets a bad wrap when people do it half-heartedly,” he says. “You need to have the ingredients on hand, otherwise you’ll end up with a lasagne that only has pasta in it – and then it will become a seething, smelly, gooey mess.”

In the kitchen, get yourself a sealable container to stop vinegar flies from invading. In the garden, choose a shady spot and set up dedicated, covered spaces for several materials. You’ll need to mix the nitrogen-rich kitchen scraps with carbon-rich brown stuff, such as dried leaves, straw, shredded paper and cardboard.

Other items on Mr Georgiadis’ recipe include manure, green garden clippings, rock minerals and soil. Make sure you’ve also got a watering can handy and a corkscrew-style aerator (about $20) or garden fork for turning the heap.

“The key to any composting system is diversity, so every time you add something, add some of the other elements as well. Water it, turn it, cover it and let it do its thing,” he says.

Once the bin is full, you’ll need to leave it for about two months (but keep turning it every week) while you start a second batch.

When it’s done, to test if your mix is right, Mr Georgiadis suggests grabbing a handful. “If you squeeze firmly, you should see a little liquid running along the bottom of your pinky. If a whole lot of juice comes out, you need more carbon material; if nothing comes out, you need more water.”

Read this article at The Age online

Old electronics are too valuable to be dumped

IN Life Pscycle-ology, a short animation by Leyla Acaroglu, a forlorn mobile phone named Eric Sun laments his future stuck in a desk drawer. He is only one year old.

But poor Eric Sun’s plight is just the tip of the landfill. According to Greenpeace, e-waste now comprises five per cent of global municipal waste, nearly the same amount as all plastic packaging.

Ms Acaroglu, from Melbourne design consultancy Eco Innovators, says only one out of every 100 discarded mobile phones is recycled.

“The way we use and abuse high-end goods is very inefficient,” she says. “They contain hazardous substances that escape into the waterways or leach out in landfill. It’s wasteful and unfair to future generations – we’re gobbling up valuable resources so we can all have the latest iPad.”

Unfortunately, pollution and waste aren’t the only worries. Our throwaway electronics have side-effects all along the production line, from allegations that the illegal trade in minerals funds conflict in eastern Congo, to the dumping of e-waste on developing countries. (For more about the high-tech life cycle, see Annie Leonard’s animation, The Story of Electronics, and for background on conflict minerals, check out US charity, The Enough Project.)

“Australia is one of the only industrialised countries that doesn’t have effective end-of-life management for electrical goods,” Ms Acaroglu says. “And not only that, we also have no restriction on the hazardous substances used in those goods.”

But at least we’ll soon be able to get old TVs off the footpaths. Under legislation introduced to federal parliament in March, importers and manufacturers will be required to fund and run a national recycling scheme for televisions and computers, set to begin before the end of the year.

Ms Acaroglu says that while the product stewardship legislation is a crucial step, the goods themselves must be made differently. “Many of our products are designed to break. We really need to be creating long-lasting, interchangeable, upgradeable products,” she says.

“We need system service models – so that if you buy a computer, it’s not more expensive to get it repaired or upgraded than it is to buy a new one.”

In the meantime, Ms Acaroglu says householders can still minimise their gadget habit. First, unplug or switch off chargers at the wall – needless energy consumption accounts for a large dose of a mobile’s life cycle impact.

“Secondly, consider the consumption hierarchy,” she says. “Do you really need this product?”

If you really do, consider buying second hand or opting for the best quality, longest-lasting one you can find. Greenpeace’s Guide to Greener Electronics is helpful; it ranks the major brands’ performance on toxic substances, carbon footprint and e-waste.

“Seek out products that have longer warranties or service components associated with them,” Ms Acaroglu suggests. “Cheaper is not always better. And when something is really, truly no longer of use to you, make sure you recycle it.”

You can earn money for your old gizmos on eBay or from buy-back businesses (such as Mazuma Mobile or Cash a Phone), or give them away on Freecycle. There’s also a recycling scheme for mobiles, called Mobile Muster. Victorians can drop off old computers through the Byteback scheme, operated by Sustainability Victoria.

“Don’t leave them stuck in your drawer,” Ms Acaroglu says. “Get those resources back into the recycling stream.”

Read this article at The Age online