No one here appears to know the answer to my question about how to
rate wind turbines and solar systems.
I guess just the simple nameplate rating might be the most stable figure.
I have seen a figure which I think was 35% of nameplate for wind turbines.
So if the nameplate says 10 Megawatt the turbines rating is 3.5 Mwatt.

Power plant that turns green waste into energy could solve power reliability in regions

In a farm shed in the West Australian Wheatbelt, a grain farmer and an engineer have invented a waste-fuelled power plant, which they say could be the solution to power generation and reliability problems in regional Australia.

After 11 years of research, the Rainbow Bee Eater (RBE) group has designed and built a power plant that uses biomass to create clean burning fuel gas or electricity in a single step, and its developers say it does not need government subsidies or grants to be cost effective.

Bioenergy is the production of energy using biomass materials, which are the by-products of agricultural, food and forestry industries.

According to the CSIRO, bioenergy currently accounts for just 0.9 per cent of Australia's electricity output — much lower than the Organisation for Economic Cooperation and Development (OECD) country average of 2.4 per cent.

Australia is the only OECD country that has not implemented a large-scale waste-to-energy scheme to manage its waste.

One of the biggest barriers to the sector's growth is the cost of energy production.

Building waste powers herb production

Last year RBE made its first commercial sale: a $3-million fully automated plant for South Australian herb grower Holla Fresh.

RBE managing director Peter Burgess said the plant, called ECHO2, used building wood waste trucked in from capital cities to create hot water, electricity and carbon dioxide, along with creating biochar, which was then on-sold.

"Some of the syngas will go into a boiler to make hot water. The exhaust from that boiler is very clean — it's a rich source of CO2, carbon dioxide.

"That will go into the glasshouse to enrich the CO2 levels in the glasshouse, which is a way that glasshouse operators lift the yield of their plants."

Mr Burgess said the plant could be established anywhere in Australia with access to suitable biomass fuel such as woodchips, baled straw, or poultry litter, making it an option for small regional communities struggling with power reliability issues.

http://www.abc.net.au/news/rural/2019-02-10/western-australia-oil-mallee-could-power-town/10640764

Josephus,
>If the Greens had their way farming would cease, cows and humans murdered to reduce population...
And if you had your way, we'd have a nuclear war to achieve the same outcome.

Meanwhile back in the real world, the Greens actually regard human rights as important, and don't want catastrophic deindustrialization. So instead criticising the policies of moronic stereotypes of the Greens, how about looking up what the Greens' actual policies are?

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Bazz,
The first thing we must consider about a 45% reduction from all sources is that it's a net figure, and much can be done by increasing the amount of carbon absorbed from the atmosphere.

The second thing to consider is it's an average figure. It's easier to cut the emissions intensity of some processes than others. That's why there's such a big focus on electricity generation – switching to renewables will enable a 90%+ reduction from that sector relatively quickly, even with existing technology. Other sectors are awaiting technological breakthroughs to reduce emissions. And there are some, like aviation, where although there's significant scope for improvements, those gains are likely to be counteracted by increasing activity.

BTW it is indeed the nameplate rating that's used. But with so much renewable electricity infrastructure being built now, that's not the problem that some once thought it to be.

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Fester, I'll respond to your points later.

Thanks, Aidan.

Bazz,

I did look into wind turbines and noted an industry figure of 40% touted, as in delivering an average power output of 40% capacity over a year. The measured figure is 15 to 30%, so wind is similar to solar except you can get power at any time of day, or as the wind blows.

Steelie, why would anyone be ideologically against intermittent renewables. They're harmless, and useless for the task at hand.

What about answers to simple burning questions? Oh, it's OK, I found some here http://tinyurl.com/y469bkmp

Bazz,
I googled pollution from production of green technology, the answers are scary.