solar thermal power

Solar hot water heating's day in the sun

The California Center for Sustainable Energy is implementing a pilot solar water-heating incentive program in San Diego. The success of the pilot will go a long way in determining how the program gets rolled out to the rest of California -- which is important because, as you can see from this great study by CalSEIA, the value of solar hot water is quite high. That's why it was nice to see a weatherman from a local news station get in on the act, climb up a roof, and tell people just what they should be doing with a sunny day. (Video here.)

[Note to Al Roker: I also heard the San Diego TV guy say there's no way you could do as good of a job. He dared you to try to promote solar nationally as well as he did locally. He also called you a punk.]

Also of note: a local solar installer has announced a $0-down financing program, with payments set at avoided energy cost (estimated at a 7-year payback). That's the first time I've heard of a program like that for solar water heating, and is the kind of innovation that will be necessary for the technology to find its place in ... wait for it ... the sun.

Biggest California utility contracts for world’s biggest solar power deal

Wind power has come of age (see here). Concentrated solar thermal power is next. Southern California Edison has contracted with BrightSource Energy Inc. for seven projects totaling 1,300 megawatts of concentrated solar-thermal power. CSP is a core climate solution, probably the zero-carbon form of electricity with the most potential, since it can be easily integrated […]

Biggest California utility contracts for world’s biggest solar power deal

Wind power has come of age (see here). Concentrated solar thermal power is next. Southern California Edison has contracted with BrightSource Energy Inc. for seven projects totaling 1,300 megawatts of concentrated solar-thermal power. CSP is a core climate solution, probably the zero-carbon form of electricity with the most potential, since it can be easily integrated […]

International energy group criticized for congenital ignorance and pessimism about renewables

Finally, someone is calling out the International Energy Agency for its absurd negativity about renewables:

The international body that advises most major governments across the world on energy policy is obstructing a global switch to renewable power because of its ties to the oil, gas and nuclear sectors, a group of politicians and scientists claims today.

The experts, from the Energy Watch group, say the International Energy Agency (IEA) publishes misleading data on renewables, and that it has consistently underestimated the amount of electricity generated by wind power in its advice to governments. They say the IEA shows "ignorance and contempt" towards wind energy, while promoting oil, coal and nuclear as "irreplaceable" technologies. In a report to be published today, the Energy Watch experts say wind-power capacity has rocketed since the early 90s and that if current trends continue, wind and solar power-generation combined are on track to match conventional generation by 2025.

This is important -- people wield those IEA reports like they're gospel. They do immense harm to green efforts.

Here's the full report on wind power [PDF] from Energy Watch.

Small solar needs long-distance transmission as much as big wind

Average cost for new wind capacity in 2007 was per $1,710 per KW, according to the Annual Report on Wind Power 2007 [PDF]. Some of the largest new wind farms had costs as low as $1,240 per KW, while the smallest ones tallied costs as high as $2,600 per KW.

Further, large new wind farms got more use from each KW than small ones -- as much 40 percent capacity utilization for big farms on the best sites vs. a 33 percent to 35 percent average. Since capital costs and capacity utilization overwhelmingly determine wind costs, big wind is simply less expensive than small wind.

World's biggest solar power tower to open in Spain

The world's biggest solar tower will open early this year in Spain. The race for leadership in the next generation of solar power is taking off.

The U.K. Guardian reports that in the desert 20 miles outside Seville, the Spanish company Abengoa will be deploying over 1,000 sun-tracking mirrors -- each "about half the size of a tennis court" -- to superheat water to 260°C to drive a steam turbine and generate 20MW of electricity.

Concentrated solar power (CSP) technology, as it is known, is seen by many as a simpler, cheaper and more efficient way to harness the sun's energy than other methods such as photovoltaic (PV) panels.

Spain is placing a huge bet on CSP to meet their renewable energy and carbon targets:

Solar’s bright ideas for the green stimulus package

Carrying on one of the most annoying campaign memes (and boy is that bar high) into current policy discussions, the New York Times published an article that begins with the line: Move over Joe the Plumber. Spencer the Solar Installer is here. Every group under the sun has ideas for how their issue could be […]

They all crush ‘clean coal’: Stanford study, part 1

When we last met Stanford professor Mark Jacobson, he was explaining why you shouldn’t buy a diesel car if you care about global warming. His new myth-busting study finds the following “Total CO2-eq of Electricity Sources”: (CSP is concentrated solar power, but I prefer solar baseload to that ambiguous acronym. CCS is carbon capture and […]

Create jobs, cut emissions, and reduce oil imports by investing in renewables and energy efficiency

Originally posted at earthpolicy.org —– At a time when major U.S. companies are announcing job layoffs almost daily, the renewable energy industry is hiring new workers every day to build wind farms, install rooftop solar arrays, and build solar thermal and geothermal power plants. The output of industrial firms that manufacture the equipment for these […]