Getting Concentrating Solar Power (CSP) Off the Ground

I always try to keep my fingers on the pulse of concentrating solar power as the clean energy technology that will get us through the next century. Right this minute, 10,836MW of CSP are under development, but only 423MW in operation or under construction. And since only 4% of proposed CSP projects are actually happening, it certainly raises questions about the other 96%. What delays are they encountering? What exactly happens during project development that delays – or, in some cases kills, these efforts?

It seems that this subject: how does one get a CSP project off the ground – is the core concept of a trade show, the CSP Project Development Conference & Expo, coming in Denver in October. The show claims to assemble external decision-makers, lobby groups and government organisations to discuss how to solve CSP development hurdles and increase their speed to market. I think I might check this one out.

About David Mills, Contributor to “Renewable Energy Facts and Fantasies” – Solar Thermal

Dr. Mills, known worldwide for pioneering Compact Linear Fresnel Reflector (CLFR) technology and for his work over the past 30 years in non-imaging optics, solar thermal energy, and PV systems, contributed to the book’s chapter on solar thermal.

This chapter addresses the notion of scale.  Dr. Mills believes wind and solar can all scale to be very large; each of them has the capability to take on the entire electricity load. But the question is how much does that cost and do they do it in a way where we have reliable energy?

Molten Salt Technology — Saving Solar Energy for a Rainy Day

I hope the world is paying close attention to the development of molten salt technology to store solar energy as heat, for later conversion to electricty at night and on cloudy days. As reported here by The Guardian, the Italian utility Enel just unveiled “Archimede,” apparently the first solar thermal / concentrated solar power (CSP) plant to use molten salts for heat transfer and storage.

This subject came up in detail in the interview I conducted with Dr. David Mills for the chapter on the subject in my book. It was clear to me at the time that molten salt has a long way to go if it is to scale to the extent that it will move the needle in terms of facilitating the penetration of renewables. However, this is a true breakthrough.

I only wish Sicily were in my travel plans; I’d love an excuse for a visit at this momentous occasion.

Solar Thermal/CSP Bravely Swims Upstream

Though the Intersolar show in San Francisco last week was represented far more heavily by PV than solar thermal, there are indications that concentrated solar power (CSP) is enjoying a significant up-tick in public attention. In particular, CSP, rather quiet in the last decade, is expected to experience 46% CAGR in the coming 20 years.

As Heidi Hafes of CSP Today writes in Renewable Energy World, almost 11 gW is “under development.” The problem appears when we pull apart exactly what Ms. Hafes means by that. As she points out, this is a minefield full of delays and blind alleys — in many cases, created by the forces that oppose renewables. She writes: “Three out of four Americans support putting solar power plants on public lands. Yet while oil and gas companies have received more than 74,000 permits to operate on federal lands in the past two decades, utility-scale solar developers have received zero.”

The political supremacy of the fossil fuel industries, achieved in large part through the work of its 7000 lobbyists, has successfully extorted enough votes in Washington to make the migration to renewables very difficult indeed. And if you think they’re good at corruption inside the Beltway and in our state capitals, they’re even better at covering their tracks with public relations. Unfortunately, most people will never even notice the outrageous doubletalk of the oil companies’ vigorously repositioning themselves as “energy” companies – to be perceived as “part of the solution” — to use Chevron’s obscene language. Most people will find it perfectly credible that BP wants to take us “Beyond Petroleum.” And they’ll fall in love with Shell’s extensive new ad campaign, launched directly into the teeth of public outrage of the entire oil sector.

As EnvironmentalLeader.com reports:

The campaign, which Shell is calling “Let’s Go,” repositions Shell as an energy, rather than oil, company, with one television spot implying Shell is investing more money on cleaner-burning natural gas than any other oil company. The campaign will be rolled out across TV, print, and online mediums, and also features two new websites: shell.us/letsgo and energygalaxy.com.

That’s simply nauseating.

It’s hard to encounter this and not be reminded of the famous words of Nazi propagandist Joseph Goebbels: “If you tell a lie big enough and keep repeating it, people will eventually come to believe it.”  Of course, Goebbels didn’t exactly meet a happy end; he remained loyal to Hitler until the end, and, in April 1945, he killed his family and himself while Berlin was falling to Soviet troops.  Maybe there’s some sort of lesson to be learned there.

Renewable Energy World at Intersolar — and an Affirmation of Concentrated Solar Power

PhotobucketAs planned, I used my trip to the Intersolar show to connect busily with many industry colleagues, including my friends at Renewable Energy World.  And, true to form, these folks weren’t exactly lounging around either. I found the company’s president, Jim Callahan, hard at work in the company’s booth on the third floor, speaking to industry VIPs, while Stephen Lacey was conducting back-to-back on-camera interviews with spokespeople from a variety of disciplines and technologies in their impromptu but ultra-professional Internet TV studio on the first floor.

I was sad to note that most of the show was devoted to PV (vs. concentrated solar power), but I happened to come by the studio at a point where Stephen was chatting with a top representative of CSP, Charlie Ricker, Senior Vice President of Business Development for BrightSource Energy. Stephen asked, “So are you one of these people who believes that we’ll ultimately see hundreds or thousands of square miles of CSP in the southwestern deserts, and transmission lines to the population centers all over North America?” I was delighted that Charlie replied, “Yes, I believe that’s a very real goal.”

I like to think I’m a man who can hold a viewpoint regardless of its popularity. But it’s always good to hear confirmation from smart people like Charlie.

Concentrated Solar Power in the Sahara Desert

Part of the reason that Bill Paul is so bullish on Northern Africa as a financial center for rrenewable energy is obvious: the Sahara Desert. Especially ripe for concentrated solar power, the desert is the solution to Europe’s thirst for electric power. The challenge, obviously, is transmitting that power under the Mediterranean.

But according to this Reuters report, a solution could be in place in the next five years.

Energy Policy and Land Use

The migration to renewable energy is complicated by a great number of factors in the renewable energy “triumvirate” -technological, economic, and political. The chart below shows one of many different dimensions of this complexity: land use – which, when you think about it, touches on all three. The data in the chart is derived from:

1) a paper titled Alternative Energy and Land Use from Clinton Andrews et al.
2) land intensiveness data from McDonald et al (2009)
3) land area data from Melillo et al (2009), and
4) global energy demand data from EIA

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