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Zero Emission Hydrogen Turbine Center at Finspång – four things we’ve learnt
06 June, 2023
At the beginning of 2019, Siemens Energy and five partners launched a research project on the site of its industrial gas turbine manufacturing plant in Finspång, Sweden. The Zero Emission Hydrogen Turbine Center has since served as a demonstration plant for a flexible and sustainable energy system. It combines gas turbines with a photovoltaic field, an electrolyser, hydrogen, and batteries for energy storage.

The FLEX reactor – the next step in molten salt reactor evolution
31 May, 2023
Moltex Energy, the UK-based developer of molten salt nuclear technology, launched its subsidiary MoltexFLEX last autumn to work on its FLEX reactor – the latest application of the company’s platform stable salt reactor (SSR) design. MoltexFLEX CEO David Landon outlines the work being done to make it a reality.

Powering the energy transition
01 March, 2023
Green ammonia is being increasingly recognised as a cost effective way of transporting green energy over long distances, and also as a potential fuel. It is relatively easy to liquefy and has a much higher volumetric energy density than liquid hydrogen. Ammonia (albeit grey) also has the advantage of already being a globally traded commodity, with a mature transport infrastructure.

Breaker breakthrough
31 August, 2022
On 29 August, Hitachi Energy unveiled, in conjunction with CIGRE Session 2022, what it describes as “the world’s first fully tested SF6-free 420 kV circuit-breaker.” A world-first SF6-free 420 kV dead tank breaker employing the new technology is to be installed for Eversource in the USA in 2023.

UK Power Networks maps a path to SF6-free switchgear
24 August, 2022
When UK Power Networks upgraded a substation in Kent, UK, it took the opportunity to specify primary switchgear that would enable it to evaluate how it can reduce reliance on SF6. Stephen Gibbs, ABB’s UK marketing and sales director for distribution solutions, answers questions about the project and explains ABB’s strategy in introducing an alternative gas mixture.

SF6: preparing for tighter regulations worldwide
23 June, 2022
As anticipated, the regulations governing SF6 use are growing ever more stringent, and switchgear manufacturers and system operators are responding.

Hitachi Energy’s roadmap for eliminating SF6
31 January, 2022
Hitachi Energy sees elimination of sulphur hexafluoride from its HV equipment offerings, and extending its EconiQ™ portfolio to ever higher voltages and more demanding applications, eg metal enclosed switchgear, as key to its sustainability strategy

Ammonia co-firing to be demonstrated at Hekinan
08 November, 2021
JERA and IHI have embarked on a joint project aimed at demonstrating ammonia co-firing at a large-scale commercial coal fired power plant in Japan

Eliminating SF6: an agreement between rivals
07 July, 2021
A landmark cross-licensing agreement between Hitachi ABB Power Grids and GE points the way towards a new global standard for SF6-free HV technology, employing fluoronitrile gas mixtures, its signatories believe. James Varley reports

North America thinking big on small reactors
05 November, 2020
Steps to revolutionise the adoption of micro reactors and small modular reactors (SMR) in North America are progressing at an increasingly rapid pace. Economic forces in both Canada and the United States, combined with the intensifying objective of cutting carbon dioxide emissions, are making nuclear power from next-generation reactors a viable, near-term energy alternative

CCUS gathers momentum
05 August, 2020
One indication of the increased momentum currently being enjoyed by the carbon capture utilisation and storage sector, predominantly in the United States, is that the Global CCS Institute, an international organisation promoting carbon capture, has recently added ten carbon capture and storage (CCS) facilities to its global database of large scale projects – see table – nine of them in the USA, one in the UK (the Drax BECCS project).

Converting mobile GT gensets to synchronous condensers
12 May, 2020
A new white paper from APR Energy considers reactive power and the benefits of reconfiguring mobile gas turbine gensets as synchronous condensers.

Protecting the USA’s four wire distribution system
22 April, 2020
Electrical switchgear engineering firm NOJA Power reports successful installations and service performance of its Single Triple OSM Recloser in over ten US states.

Eco Wave Power: can they succeed where others failed?
07 April, 2020
By locating power plants onshore/nearshore – rather than offshore – and making use of existing structures such as breakwaters and jetties, Eco Wave Power believes it can overcome the difficulties that have hampered wave power development to date.

Future proofing CHP units at Backnang-Neuschöntal
18 March, 2020
Two new gas engine based CHP units are now in operation at the Backnang-Neuschöntal site of the Rems-Murr municipal waste management company, Baden-Württemberg, Germany, resulting in increased efficiency and reduced emissions. Methane derived from biogas is injected into the combustion air of each engine, while the facility is SCR-ready and will be able to meet stringent new German NOx emissions limits for CHP plants coming into force in 2023.

A new benchmark for gas engine CHP flexibility
11 March, 2020
German municipal utility, Stadtwerke Kiel, has inaugurated its coastal power plant, Küstenkraftwerk – also sometimes called K.I.E.L. (Kiels Intelligente Energie Lösung (Kiel’s Intelligent Energy Solution) – described as “one of Europe’s most modern and flexible gas fuelled reciprocating-engine-based combined heat and power (CHP) plants.”

Membranes on the move for chemical-free degassing
03 March, 2020
The range of mobile water treatment services available to power plants has steadily widened over the years to including membrane degassing units, which avoid the need to use chemicals (such as hydrazine) on site.

GE expands its SF6-free HV offering
17 December, 2019
GE Renewable Energy’s Grid Solutions business has announced plans to invest tens of millions of dollars to expand by 2025 its range of sulphur hexafluoride–free high- voltage substation equipment to include all key high-voltage levels. This is one of Grid Solution’s biggest portfolio investments in years. GE is a leading producer of SF6-free high-voltage solutions with its Green Gas for Grid, or g3, offering, which is said to feature the same high performance and compact dimensional footprint as traditional products, but with a more than 99% reduction in global warming potential.

Advanced radar level measurement helps to lower heat rate and reduce costs
18 July, 2019
Guided wave radar transmitters with dynamic vapour compensation functionality are able to provide accurate and reliable level measurements in challenging high-pressure saturated steam applications. The ability to carry out such measurements plays a vital role in helping reduce a plant’s heat rate, contributing to increased profitability. By Denny Nelson, Emerson Automation Solutions

MAN ETES: a cool technology that’s heating up sector coupling
16 July, 2019
MAN ETES (Electro-Thermal Energy Storage) – based on a closed CO2 cycle – offers considerably more than large- scale electricity storage. It also promises an economic approach to what has become known as ‘sector coupling’, ie decarbonisation of heating/cooling, etc, as well as electricity. By Raymond C. Decorvet and Mario Restelli MAN ETES Business Development, MAN Energy Solutions Switzerland Ltd