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So far Stewart Dalby has created 300 blog entries.

A pioneering marine tidal array in the remote Shetland Islands gets into choppy waters

This is the first of two articles on community based renewable energy projects in remote locations and the problems they can encounter. This first piece concerns marine tidal turbines By Stewart Dalby The Shetland Islands are 106 miles north of John O’Groats in Scotland and they are thus very remote from UK mainland energy infrastructure. [...]

By |2017-08-08T11:45:43+00:00August 8th, 2017|Articles, Features, Tidal & Wave|Comments Off on A pioneering marine tidal array in the remote Shetland Islands gets into choppy waters

Will hydrogen cars eliminate diesel and petrol engines from the roads

Hydrogen cars are vehicles powered by a single hydrogen fuel cell. The fuel cells work by using a “fuel stack” to use outside air with hydrogen they carry in tanks in a chemical reaction which creates electricity, with the only emission being water. I came across an early prototype of such a car about ten [...]

By |2017-08-11T12:15:47+00:00July 10th, 2017|Energy Storage, ITM Power|Comments Off on Will hydrogen cars eliminate diesel and petrol engines from the roads

Theresa May reneges on her manifesto pledge to cap energy prices if elected prime minister

Since Mrs Theresa May became Britain’s prime minister a year there has been repeated talk that her government would introduce a cap on energy prices because of widespread discontent with the way the so called “Big Six” power suppliers have been over-charging consumers. Nothing was done until she called a general election. It then seemed [...]

By |2017-06-24T16:35:37+00:00June 23rd, 2017|Articles, Features, General|Comments Off on Theresa May reneges on her manifesto pledge to cap energy prices if elected prime minister

ITM Power makes headway in marketing hydrogen cars in Europe as well as the UK

ITM Power the London-listed hydrogen fuel and storage specialist is making headway in supplying hydrogen refuelling stations (HRS) on a pan European basis. On June 29th 2016 the company announced it was to supply an integrated HRS to French renewables group Hydrogene de France (HDF). The initial contract is worth Euros1.5 million to ITM, which [...]

By |2017-06-15T14:09:41+00:00June 15th, 2017|Articles|Comments Off on ITM Power makes headway in marketing hydrogen cars in Europe as well as the UK

The redT energy company heads for commercialisation with its pioneering batteries for energy storage

Like other renewable energy groups such as Flowgroup and Eden Research, redT energy (formerly Camco) seemed to be bogged down in development rather than arriving at commerciality. This was partly because they had too many potentially marketable but unproven lines. But it was also because, well, it can take a long time to establish pioneering [...]

By |2018-06-07T14:44:41+00:00June 15th, 2017|RedT Energy|Comments Off on The redT energy company heads for commercialisation with its pioneering batteries for energy storage

Flowgroup’s share price crashes despite good news on its breakthrough boiler

As we wrote just over a week ago London AIM-listed Flowgroup’s preliminary results for 2015 announced today were expected to focus on problems caused by the EU inspired proposed changes to VAT on its breakthrough Flow boiler. This has turned out to be the case. Speaking on the announcement of the results the company said [...]

By |2017-06-29T12:34:25+00:00November 4th, 2016|Articles, Flowgroup Plc|Comments Off on Flowgroup’s share price crashes despite good news on its breakthrough boiler

Green Dragon Gas’s sales increase augur well for its plans to build on its maiden profit in 2015

The most recent press release from Green Dragon Gas (July 26) reported that the London-listed Group has had a production boost from the unconventional gas wells it operates in China because of its investment in infrastructure. The coal bed methane (CBM) specialist said  sales from its flagship GSS unconventional  gas fields in China rose largely [...]

By |2017-07-12T16:02:34+00:00September 20th, 2016|Articles, Green Dragon Gas|Comments Off on Green Dragon Gas’s sales increase augur well for its plans to build on its maiden profit in 2015

Berkeley Energia’s shares prosper on prospects of building new nuclear plants in China and elsewhere

Berkeley Energia’s shares prosper on prospects of building new nuclear plants in China and elsewhere You can argue until the cows come home about whether nuclear power is a clean tech energy source or not. In Germany they don’t think it is. Unlike the UK where concerns about nuclear waste seems to have ceased to [...]

By |2017-06-29T12:09:42+00:00September 19th, 2016|Articles, Berkeley Energia|Comments Off on Berkeley Energia’s shares prosper on prospects of building new nuclear plants in China and elsewhere

Hydrodec’s interim results confirm its recovery is well underway

There were no great surprises in the Hydrodec Group’s interim results for the six months to June 30 2016, recently released, because they were comprehensively curtain-raised in a trading statement in July. London AIM-listed Hydrodec is a clean- tech oil re-refining group with operations in the US and Australia. It applies proprietary technology to re-refine [...]

By |2017-11-01T16:14:50+00:00September 6th, 2016|Hydrodec Group Plc|Comments Off on Hydrodec’s interim results confirm its recovery is well underway

IGas Energy hopes that the stalled UK shale gas industry will take off and help it through tough times

The latest announcement from London AIM-quoted IGas Energy is that Pareto Securities, a Norwegian company, has made a tender offer on behalf of an unnamed client for US$165 million worth of its senior secured bonds and so far has purchased senior secured bonds with a nominal value of US$38.42m at a price of 75 cents [...]

By |2017-06-29T12:18:54+00:00July 17th, 2016|Articles, Igas Energy Plc|Comments Off on IGas Energy hopes that the stalled UK shale gas industry will take off and help it through tough times
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