Clean power from deserts

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PRESS RELEASES: ADJOURNMENT DEBATE, HOUSE OF COMMONS, 2008-02-28

Bold energy plan to be debated in Parliament

Every year, each square kilometre of hot desert receives solar energy equivalent to 1.5 million barrels of oil. Multiplying by the area of deserts worldwide, this is several hundred times the entire energy consumption of the world. It is possible to tap in to this cornucopia using the simple proven technique of "concentrating solar power" (CSP): using mirrors to concentrate sunlight to create heat and then using the heat to raise steam to drive turbines and generate electricity, just like a conventional power station. Solar heat can be stored so that electricity generation can continue at night.

Using CSP, less than 1% of the world's deserts could generate as much electricity as the world is currently using. And it is feasible and economic to transmit solar electricity for 3000 km or more using highly-efficient 'HVDC' transmission lines. It has been calculated that 90% of the world's population lives within 2700 km of a hot desert and could be supplied with solar electricity from there.

These are the essentials of the 'Desertec' concept that has been developed by the 'TREC' international network of scientists and engineers. This bold plan—which has been described as "exciting" by Energy Minister Malcolm Wicks MP—is to be debated in the House of Commons. Dr Howard Stoate, MP for Dartford, has been successful in a bid to secure a debate about the Desertec proposals, now scheduled for Thursday the 28th of February.

Speaking about the successful bid, Dr Stoate said "I am delighted that Parliament will now have an opportunity to consider these proposals. Given the urgent need to decarbonise the world's economy, we cannot afford to neglect a potentially enormous source of clean energy like this. And there would be several benefits from the building of an HVDC supergrid, quite apart from the transmission of solar energy throughout Europe, the Middle East and North Africa. It would reduce wastage by allowing electricity to be transmitted from areas of surplus to areas of need, it would increase energy security because temporary shortfalls in any area could be covered from elsewhere, and it would help to match variable demands with variable supplies."

Notes

The debate in the House of Commons is scheduled to start at 18:00 on Thursday the 28th of February and to run for 30 minutes, but it may start earlier or later depending on other parliamentary business.

The debate may be viewed live online at http://www.parliamentlive.tv/Main/ and it should be available for viewing at the same site for 28 days after the event.

Further information about the Desertec concept may be found at www.trec-uk.org.uk and www.desertec.org and below this press release.

The following people are willing to try to answer questions about the Desertec proposals: Dr Gerry Wolff, Coordinator of Desertec-UK (...), Polly Higgins of Desertec-UK (...) and Neil Crumpton of Desertec-UK and Friends of the Earth (...).

Contact details for Dr Howard Stoate MP: phone: 01322 225200, fax: 01322 225299, email: ..., post: Cobden House, 43 Spital Street, Dartford, Kent, DA1 2DR.

Solar plan debated in Parliament

A plan to supply the whole of Europe with clean solar power from desert regions in North Africa and the Middle East has now been debated in the House of Commons.

On Thursday, Dr Howard Stoate, MP for Dartford, described how, every year, each square kilometre of hot desert receives solar energy equivalent to 1.5 million barrels of oil. Multiplying by the area of deserts worldwide, this is several hundred times the entire energy consumption of the world. The key technology for tapping in to this cornucopia is the simple proven technique of "concentrating solar power" (CSP): using mirrors to concentrate sunlight to create heat and then using the heat to raise steam to drive turbines and generate electricity, just like a conventional power station. Solar heat can be stored so that electricity generation can continue at night.

Using CSP, less than 1% of the world's deserts could generate as much electricity as the world is currently using. And it is feasible and economic to transmit solar electricity for 3000 km or more using highly-efficient 'HVDC' transmission lines. It has been calculated that 90% of the world's population lives within 2700 km of a hot desert and could be supplied with solar electricity from there.

Quite apart from the transmission of solar energy throughout Europe, the Middle East and North Africa, the proposed 'HVDC' supergrid would reduce wastage by allowing electricity to be transmitted from areas of surplus to areas of need, it would increase energy security because temporary shortfalls in any area could be covered from elsewhere, and it would help to match variable demands with variable supplies. It would also provide the means of transmitting electricity from large-scale but remote renewable sources such as off-shore wind farms, wave farms, tidal stream generators and the like.

Dr Stoate said "Concentrated solar power is a concept of literally dazzling simplicity. It is an idea so simple, and with such extraordinary promise as a means of power generation, that it seems astonishing that in Europe we are only just waking up to its potential, more than 20 years after its first use in California."

Responding to Dr Stoate's speech, energy minister Malcolm Wicks MP said "The world has huge solar resources, on which concentrated solar power technology can clearly draw. ... The Government will continue to follow developments in concentrated solar power and long-distance electricity transmission.” He said that Dr Stoate had made several interesting and important points and that he would like to be better informed on the subject.

Notes

The debate, entitled "Adjournment Debate: Concentrated solar power", was held between 6 pm and 6.30 pm on Thursday the 28th of February 2008.

The debate is available for viewing at http://www.trec-uk.org.uk/links/speeches/Adjournment_debate_Trimmed.asf (ASF file, Windows Media, 44.4 MB).

A transcript of the debate in Hansard may be seen here: http://www.trec-uk.org.uk/links/speeches/adjournment_debate_2008-02-28.html.

Further information about the Desertec concept may be found at www.trec-uk.org.uk and www.desertec.org and below this press release.

The following people are willing to try to answer questions about the Desertec proposals: Dr Gerry Wolff, Coordinator of Desertec-UK (...), Polly Higgins of Desertec-UK ...) and Neil Crumpton of Desertec-UK and Friends of the Earth (...).

Contact details for Dr Howard Stoate MP: phone: 01322 225200, fax: 01322 225299, email:..., post: Cobden House, 43 Spital Street, Dartford, Kent, DA1 2DR.


Last updated: 2009-08-20 (ISO 8601)