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NEWS


New Year 2018 auctions to see nearly 7GW of battery storage


Bitcoin energy could be be used to power 6.4 million homes in the UK


The amount of electricity used by the Bitcoin mining industry is enough to power around 6.4 million homes in the UK, says a new report by Accounts and Legal . The new researchsuggests the sector currently accounts for 0.13% of global power usage every year – which consumes 28.8TWh annually. Mining for Bitcoin works like


Several gigawatts of battery storage capacity have pre-qualified for UK Capacity Market auctions for both next winter (T1) and for four years (T4) in the future. National Grid has confirmed the T1 auction in January


2018 will see more than 2.1GW of batteries competing for contracts next winter, when they will be used to ensure security of supply and keep the lights on across the UK. The T4 auction, which will take place in February 2018,


will see 227 battery storage projects representing around 4.8GW of capacity trying to secure project contracts from 2021 for the following 15 years. Other technologies to boost energy resilience to be featured in the auctions include pumped hydro, intercon- nectors and nuclear power stations. However, BEIS has announced it will lower the de-rating


factor for half-hour duration batteries from 96% to 18% for the T4 auction and 21% for the T1 auction. This will cut the level of backup power payments for energy storage projects. A spokesperson for BEIS said: “We are satisfied that it is


robust and represents the best basis upon which to de-rate storage in the upcoming auctions.” Storing energy generated during periods of low demand


to use during periods of high demand allows electricity grids to operate more efficiently and cost effectively. Storage allows the system to be run at average load rather than peak load.. Imperial College London's Energy Futures Lab has estimated that energy storage technologies could generate savings of £10bn a year by 2050 in the UK. estimates by Lux Research suggest the global industry


for energy storage could be worth US$100bn in the next few years. A key benefit of energy storage is that different technologies can be implemented depending on the demand for energy, from small, isolated rural communities to heavily populated cities.


Caterpillar Energy Solutions has launched its new MWM TCG 3016 series - a new genset which boasts the highest efficiency in their output category, says the manufacturer. One of the key benefits of the new gensets is said to be their remarkable efficiency, which is unmatched in their class. In natural gas operation, for example, the electrical efficiency reaches up to 43.5%. In the cogeneration of power and heat an overall efficiency of up to 90% can be achieved, reports Caterpillar. A spokesman told UKPN: “The genset offer a greatly reduced oil consumption of less than


0.1 g/kWhel and longer oil change intervals make the operation of the gas gensets more economical. The operating period until the general overhaul has been stretched significantly, e.g. from 64,000 to 80,000 operating hours for natural gas applications. “A number of measures have been implemented to make the new series even more robust.


For example, the generator is now flanged to the gas engine, and the vibration decoupling now takes place directly between the components and the base frame. In this way, the setup costs for the fundament are lower than for other gas engines. Thanks to optimised combustion, the stress on key components has been reduced; this makes the genset as a whole more robust and ensures high availability.” Along with the new series, Caterpillar Energy Solutions has also introduced its fully- integrated digital power plant control system TPEM (Total Plant & Energy Management) to the UK market. The newly development genset ‘represents the dawn of a digital age on the market for distributed energy solutions’, says the company. The system, which can be customised to specific needs and the individual application case, replaces the previous control system to deliver improved efficiency and flexibility.


12 NOVEMBER‐DECEMBER 2017 UK POWER NEWS


a lottery – every 10 minutes or so, mining computers collect a few hundred


- kind of a “block” or puzzle. The ‘miners’ have attempts to solve the puzzle using a com- puter programme and are issued a certain number of Bitcoins in exchange. They keep the Bitcoin net- work secure by approving transactions. When looking at it in terms


of oil, a new Bitcoin mined every 10 minutes would need 20 barrels of oil – this means 13.5 million barrels a year - a major energy drain.


pending bitcoin transactions,


Distributed energy ‘could save UK almost £1bn’


Distributed energy solu- tions could achieve almost £1 billion worth of energy savings each year, suggest Centrica. Centrica proposes the wider adoption of these technolo- gies and suggests that they could also deliver an £18.5 billion boost to the UK’s overall economic growth. The energycompany ahs


said it has analysed the potential role of solutions like battery storage, onsite generation and energy efficiency devices in the industrial, healthcare and hospitality, hotel and leisure sectors, which represent 25% of the UK economy. Assuming solutions would


be deployed by 50% of organisations in these sectors, Centrica says the NHS could cut its £500 mil- lion energy bill by at least a fifth.


Impressive 43.5 % electrical efficiency achieved with a new genset for the UK from Caterpillar Energy Solutions


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