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Andong, Korea’s second H class plant, goes commercial
10 September, 2014
Korea is proving to be a good market for advanced gas fuelled combined cycle technology. The country’s second Siemens H class based facility entered commercial operation in April, a record 24 months after groundbreaking. James Varley reports
Navigating the North Sea learning curve
02 September, 2014
Recent months have seen a good deal of activity in the German offshore wind sector, in particular substantial progress on the installation of large HVDC converter stations on platforms far out to sea, no easy task. James Varley reports
EPA’s new water intake rule: what does it mean for power plants?
02 September, 2014
The US Environmental Protection Agency finalised the long-anticipated Clean Water Act §316(b) rule for existing facilities on 19 May 2014. What does the rule require of power plants and what modifications are expected to be implemented as a result of the rule? John A.D. Burnett and Thomas L. Englert, HDR, Inc, USA; Mark Gerath, ECT, Inc, USA
Alkali fuel cells: are the wilderness years at an end?
10 July, 2014
Wherever there is surplus hydrogen, eg in the chlor-alkali industry, which is a major producer of H2, or at waste-to-energy gasification plants, where it can be extracted from the syngas, there is the possibility of generating carbon-free electricity from alkali fuel cells and helping reduce power costs. UK-based AFC Energy is working towards commercial projects in this area. In the longer term it believes its technology could be scaled up significantly and one day be competitive with conventional power plants.
The changing landscape of data transmission through the grid
08 July, 2014
BC Hydro is among the first utilities in North America to deploy a full IP-based network. Such networks are likely to standardise the way that grid devices connect, accelerating the development of other smart grid technologies.Paul Smith, Itron UK, Felixstowe, United Kingdom
Battery storage on trial in NE England
06 July, 2014
Battery based storage systems put together by amongst others Northern Powergrid, British Gas and power consultancy EA Technology are taking part in a trial of six storage installations in live networks across the northern England sector of the UK grid. But even a successful system may not be saleable under the present market conditions.
Germany: round-up of recent developments in wind power
03 July, 2014
A round-up of recent developments in wind power and T&D in Germany.
A sea change for Hywind
02 July, 2014
Interest in harvesting the stronger winds further out at sea has been slow to develop because fixed towers at depths of 100 to 500 metres are not a practical proposition. But interest in floating towers is growing. The leader in the field is Statoil’s Hywind, which is now to be trialled at wind farm scale off the coast of the UK.
A road map for large scale renewables integration
01 July, 2014
The cost effective integration of variable renewable energy (VRE) has become a pressing challenge for the energy sector. A new study by the IEA suggests that the necessary integration is possible, but may need a system-wide transformation. It describes measures by which each country could deal with its own particular circumstances.
Commercial scale evaluation of real-time line monitoring
30 June, 2014
The results of a 3-year study carried out on Oncor’s high voltage system in Texas suggest that dynamic line monitoring can produce significant increases in line capacity for more than 95% of the time.
EEG 2.0 aims to bring market forces to bear on renewables
27 June, 2014
The German Renewable Energy Sources Act (EEG) has proved successful in encouraging the expansion of renewables in Germany, but there has been growing concern about the large and rising cost burden being placed on electricity consumers. Reform of the EEG is now underway, with a view to strengthening the role of market forces, and making the expansion of renewables a more affordable proposition. Matthias Lang, Bird & Bird, Dusseldorf, Germany
The largest recip-based power plants worldwide
26 June, 2014
The top ten recip-based power plants worldwide by capacity, operating or under construction.
Liberalisation in China’s energy sector is gathering pace
25 June, 2014
Recent changes in China’s leadership and subsequent energy policies are likely to speed up the liberalisation of the country’s energy markets and their separation from the state apparatus. By David Green
How big data can lead to lower wind power costs
24 June, 2014
Advances in remote diagnostics for wind turbines are helping to extend service intervals and to identify potential issues before any harm is done, thus avoiding down time and contributing to lowering the costs associated with wind energy. Merete Hoe, head of diagnostics center, Siemens Wind Service, Brande, Denmark
A flameless oxycombustion route to lower cost CCS?
24 June, 2014
Flameless pressurised oxycombustion, which has been demonstrated at pilot (5 MWt) scale in Italy, seems to offer a number of inherent advantages as a clean coal technology, promising benefits such as complete elimination of troublesome combustion byproducts, wide fuel tolerance and a high degree of operational flexibility. Massimo Malavasi, ITEA, Italy
Dense slurry: a solution in the pipeline for EPA’s CCR and ELG rules
23 June, 2014
Britain wakes up to the power of the community
20 June, 2014
The chance for communities in Britain to take charge of their own energy needs has just stepped up a gear with the recent launch of the UK government’s first Community Energy Strategy. John Peters, managing director, Engage Consulting
Engineering the Energiewende
19 June, 2014
Challenges and opportunities for fossil-fuelled power plants in Germany.
Peterhead CCS project: a step closer to realisation
16 June, 2014
Shell has signed an agreement with the UK government to progress the Peterhead carbon capture and storage project to the next phase of design.
China's climate opportunity
11 June, 2014
Despite publicly rejecting any emission reduction commitment, China has been one for the most active proponents of emission trading over the last nine months. Jeremy Wilcox suggests why.