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China's Solar Hot Water Capacity Will Soon be Equivalent to 40 Nuclear Plants

How far behind are Canada and the United States? How about these for eye-opening statistics:

solarSolar collectors on the roof of an apartment block in Xian, China. Image by Richard Chambers

  • A solar water heater in China costs less than $200. Without one, a family wanting hot water would have to buy an electric water heater for about the same price and pay up to $120 per year for electricity. The payback is almost instantaneous.
  • By relying on the sun, the citizens of Rizhao have cut carbon dioxide emissions by almost 53 thousand tons per year. Air quality has remained much better than in most urban areas of China, luring foreign investors and increasing tourism.
  • Experts project that by 2010 the number of solar water heaters installed in China will equal the thermal equivalent of the electrical capacity of 40 large nuclear power plants. Globally, solar water heaters have the capacity to produce as much energy as more than 140 nukes.

These stunning solar statistics and many more fascinating facts can be found here.

The real question is, why aren't we also leaders in this area? Where is our Made-at-Home solution? Perhaps the answer is contained in a study from the United Nations Environment Program (UNEP), which points out that "many barriers and fossil-fuel subsidies" are hampering the switch to a green economy. Here in my province, so-called 'green' British Columbia, for example, despite the recent budget that contained a revenue-neutral carbon tax, that same budget also gave over three hundred million dollars to the oil and gas industries annually.

Suppose that same money had gone to solar water heaters? (Which can also be used to provide radiant heating for homes.) Even at $1,000 per heater, that's 300,000 solar hot water heaters per year that the government could be giving to people. If the government just subsidised them, far more would be available at a price that would make oil, gas, or electric heating look just foolish and wasteful. And that's just BC, population about four million. Every household could have a free solar hot water heater in no time!

Are we going to shift to a new green economy? Are our governments serious about about reducing costs and increasing energy independence for all of us? Judge them by their actions, but I think it's clear: If they were, they'd be promoting Made-Here solar hot water heaters.

UNEP article: http://www.wbcsd.org/plugins/DocSearch/details.asp?type=DocDet&ObjectId=Mjg1Nzg

Note: I am also a Green Party politician in Canada. I went Green because of my disgust and complete lack of faith in the mainstream parties to do the right thing. I have also posted this article in my Green Party blog: http://www.greenparty.ca/en/node/3967. And since I joined the Greens, we are now polling in third place federally, tied with the NDP and ahead of the Bloc...so the Greens are now becoming mainstream...and there is hope. :)

Brian Gordon is a Canadian Green Party member and candidate trained by Al Gore to present An Inconvenient Truth.

If you want to keep up with Brian's adventures in the Green Party, why not subcribe to our RSS feed? We'll even give you a free album.

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Propane Tankless (not verified) says:

Tankless water heaters are going to become much more prevelant in the future. As energy prices rise you'll see people moving to high efficient tankless heaters.

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TWu (not verified) says:

Great article. I've been using a Chinese-built solar water heater in an ecolodge in S. Laos. Even this morning's shower was plenty hot. I want one for my home in Northern California. Each unit (160L) costs my host US$400 shipped to Laos. He says the water stays hot 3 days straight. These are simple: no moving parts- just a float valve (like a toilet tank). Gravity fed. I'm wondering if I could hook one up in parallel with my tankless gas-fired water heater (apparently I can't preheat to it), which would kick in should the temp. fall below some set point.

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roofing company london (not verified) says:

Even at $1,250 per heater, that’s 295,000 solar hot water heaters per year that the government could be giving to people. If the government just subsidised them, far more would be available at a price that would make oil, gas, or electric heating look just foolish and wasteful.

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Marc Alexander (not verified) says:

I was recently in Xian, China and discovered that it must be the greenest city in th world. On the top of every apartment bulding are many solar hot water heaters. I was lucky enough to be able to take a bike tour on top of the wall around the city. It took me two and a half hours. During which I was thousands of hot water heaters. More than I had seen in my whole life. I am the proud owner of a large solar hot water heating system I install myself 25 years ago. But I was really ashamed to be from California, that claims to be so environmentally conscience. But found that China, without saying a word, was far ahead of us.

Marc
Palo Alto, CA

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bob (not verified) says:

"thermal equivalent of the electrical capacity of 40 large nuclear power plants"

Assuming thats true...That is very exciting.

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Emma (not verified) says:

Wow, this is amazing. i was doing a project on solar water heaters and the benefits so obviously outweigh the disadvantages so i don't see why people don't make the commitment and start saving carbon dioxide and non-renewable resources like coal and oil.

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Leonn (not verified) says:

These are astoundingly commonplace in China, with every apartment block having some - water storage in Nanjing.