Call to Ban Use of Hospital Backup Generators from Supplying National Grid

Hospital diesel generator

Owners and operators of large factories and offices are increasingly investing in back-up, or emergency diesel generators in order to be sure that they can continue to operate when the National Grid fails.  Many are also seeing the Grid’s need to supplement its capacity by recruiting these same generators as a means of adding extra cover when demand is extreme  Now, it seems, there is pressure mounting on the Grid not to use some of the country’s largest emergency generators, those in hospitals, thereby adding to the need for privately owned generators to join the scheme.

As reported in the Daily Telegraph recently, the National Grid’s drive for hospitals to help keep the UK’s lights on by using their back-up diesel generators is “highly questionable” according to think-tank Policy Exchange because it will cause air pollution right in the vicinity of patients.

The UK National Grid is encouraging NHS sites, amongst many others, to sign up for schemes where they will be paid to routinely use their back-up generators for electricity production, not just in the event of an emergency power cut.

National Grid argues that making greater use of these existing generators represents a cost-effective way of helping to meet peak UK power demand as the country builds more intermittent wind and solar plants instead of building new oil, gas, coal and nuclear power plants that would be idle when demand for power was low.

National Grid has been actively recruiting hospitals and other organisations to make back-up generators available at peak times and avoid blackouts but Richard Howard, Policy Exchange’s head of energy and environment has gone on record saying “Whilst this is desirable from a security of supply point of view, it is highly questionable from an air quality point of view – particularly since hospitals are typically located in urban locations close to some of the most sensitive receptors”.

For more information on Backup Generators to synchronise with the National Grid, contact us.

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Diesel Generators and Solar Power – The Hidden Costs


solar power generator


According to some in the solar panel industry the share of global electricity generated by solar could rise to 13% by 2030.

Reaching that share will require average annual capacity additions to more than double for the next 14 years which would be a stretch when one considers that the easy locations have all been, or are in the process of being, exploited.  As time passes the opportunities become fewer and more difficult (and, therefore, more expensive) to exploit.  It is true that as technology improves so the cost of the panels should come down but the panels are only a part of the cost.

What nobody in the solar industry will tell you, though, is that in the vast majority of applications any solar plant has to have an ‘on demand’ alternative power source alongside it.  Clearly solar doesn’t work at night anywhere in the world and cannot be relied upon to provide constant power anywhere outside of the tropics so, unless one invests in expensive battery technology – with all the associated problems of replacement and disposal of old cells, an alternative must be available.

Nowhere is this more clearly demonstrated that in the UK.  Huge investments in solar and wind power have encouraged (forced?) the government to accelerate the closure of coal, gas and nuclear powered generator plants.  The result?  The same government is paying owners of large diesel generators to have their plant available at short notice to help fill the gap when demand exceeds supply from the national grid.  If that’s the case on a national level its also the case on a local level.  One cannot rely on solar (or wind) to provide power when its actually needed.  Demand doesn’t respect weather – in fact, if anything, there is a negative relationship: the worse the weather, the higher the demand and the lower the supply!

450KVA Branded No Background (c)

That’s why the diesel generator industry is very happy to see the ever growing reliance on solar and wind power – it means a new and growing customer base for generators.

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Backup generators … the unsung African hero

African power crisis.









Many countries are facing a power famine as the demand for electricity grows, but none more so than Africa.  Backup diesel generators are relieving a small percentage of the drought within Africa, but without the required funding even backup diesel generators will fail to deliver vital power to the continent.

Currently 25 countries within Africa are plunged into darkness every evening due to the lack of power available to local communities. Even though Africa on the whole is abundant with both fossil fuels and renewables the economical distribution of these sources are far from fair, creating further divisions between the developing areas and those much worse off.

Large global leaders such as America, China and India have invested hundreds of millions into developing accessible energy to the region, but come 2030 the demands are set to sky rocket and the current investments barely touch the surface of the pandemic.

The struggling economy

It becomes a catch 22 for the struggling areas within Africa as the health and industrial sectors are those most effected by the blackouts. Without these industries receiving reliable backup power the struggling economy can not develop the crucial platforms in which they require to grow. Statistics show that the industrial sector is losing 56 days a year through power cuts and an average loss of 6% in revenue. With tariffs high and reliability low many companies invest in backup diesel generators as a source of prime power. For those without a backup generator the loss can be as high as 20%.

The change

There are some big changes happening within the African continent. Large authorities such as the world bank are investing vast amounts of time and money into strategic operations, in the hope to cut back wasteful energy and create new sources of power. Over the next 10 – 15 years the rise in power demand is set to double, how the country balances this demand will determine the fate of the local communities.

One company that has been at the forefront of the developments within Africa is the UK diesel generator manufacturer YorPower. YorPower have been working throughout the African continent for over 27 years providing backup generators to the local market sectors. Ian Thompson managing director explained, that with the national grid in such turmoil the only reliable power source for our African clients are robust backup generators. YorPower have seen first-hand the difference a backup generator can have on an organisation and the benefits of such an investment.

YorPower hold large amounts of stock within many major cities within Africa to ensure we can supply vital power to local communities and organisations. For further information on backup generators please contact us.

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YorPower are currently advertising for international dealers.















For over 30 years YorPower have been building successful relationships with dealers situated all over the world. We are pleased to announce that amounting success has allowed us to continue to expand our business into new and exciting territories, and we now have dealer availability within the UK and Internationally.

Our current UK dealer vacancies are within:

  • Scotland
  • London / South East
  • North East / Yorkshire
  • Midlands
  • South West

Our International dealer vacancies include:

  • Mozambique
  • Botswana
  • Tanzania
  • Algeria
  • South Africa and more….

Dealer Benefits include:

  • Over £1,000,000 worth of stock
  • Technical support
  • Tried & tested engine, alternator and control panel configurations
  • Full warranty and support
  • Best UK prices
  • Over 30 years’ experience, manufacturing within the UK
  • Full marketing support including google ads, brochures, branding, exhibition support and more…

For more information on how to become a YorPower dealer please contact or call 01977 688155 to speak with a friendly advisor.

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Data Centre World has landed!

YP B30















Data Centre World is now open, come and visit stand B30.

YorPower are offering data centre design, manufacture and installation for UPS and generator applications, designed specifically for the data centre market. Come and speak to the experts on stand B30 to ensure you invest in the highest quality data centre systems.

For general enquires regarding diesel generator units visit the YorPower website or contact our expert advisors now!


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YorPower is exhibiting at Data Centre World


YorPower will be featuring a full range of data centre backup power solutions at the Data Centre World Exhibition.

DCW header

YorPower is well known as one of the most dynamic UK generator manufacturers, but less well known for
their bespoke design and build expertise in the data centre market.   From their factory and head office near
Leeds, in Yorkshire, YorPower design, assemble and manufacture paralleling generator systems as well as
peripheral equipment including, switchgear, control systems and automated fuel transfer systems. In
conjunction with consultants, clients and architects, YorPower offer full turnkey packages to suit a variety
of schemes and applications.
YorPower has in-house system design capability, project management experience and a depth of engineering
knowledge which provides customers with peace of mind and the confidence required when procuring
new projects.
The show runs from Tuesday the  12th April  until Wednesday the  13th April. YorPower is exhibiting at stand B30
along side our sister company PPSPower. To secure an appointment with our experienced advisors, you can
pre-book your preferred time slot.
Click to make appointment









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Generators to Provide Backup for Homes and Business for Next 10 Years

“The UK is facing an energy gap right now and for the next decade”, according to Ian Thompson, Managing Director of Generator Warehouse. At a recent Power Generation forum at the London Hilton on Park Lane, Thompson stated, “Demand for electricity will outstrip supply by more than 48% over the next 10 years which will have severe consequences; black outs for some neighbourhoods, power cuts for homes not just in remote areas and power outages for businesses. We are seeing more and more people come to us for advice on what to do in the event of power cuts, what fuel to choose and how a generator system will operate. Power cuts are happening now but go largely unreported.” said Thompson

Numerous studies show that phasing out of ageing nuclear reactors without plans to build a new fleet of cleaner energy electricity plants, will combine to create catastrophic failure and an inability to supply. Repeated short sightedness by UK Governments over the last 25 years has led to the crisis.

“Under current policy it is almost impossible for UK electricity demand to be met by 2025.” said Jenifer Baxter, head of energy and environment at the Institution of Mechanical Engineers (IMechE), which published the report entitled Engineering the UK’s Electricity Gap, on Tuesday 26th January 2016.

Reforms to the electricity market brought in under the previous Conservative / Liberal Democrat coalition government are also not helping to encourage construction. Shambolic attempts to encourage energy efficiency such as the ‘green deal’ to insulate houses, which was scrapped, have proved poorly thought out and not manageable. Just one new nuclear reactor might be ready by 2025; that is the stark reality, a real indictment on the UK’s long term energy strategy.

“The UK is facing an electricity supply crisis,” Baxter warned. “As the population rises, and with greater use of electricity in transport and heating, it looks almost certain that electricity demand is going to rise. However, with little or no focus on reducing electricity demand, the retirement of the majority of the country’s ageing nuclear generators, recent proposals to phase out coal-fired power by 2025 and the cut in renewable energy subsidies, the UK is on course to produce even less electricity than it does at the moment.”

She said: “We have neither the time, resources, nor enough people with the right skills to build sufficient power plants. Electricity imports will put the UK’s electricity supply at the mercy of the markets, weather and politics of other countries, making electricity less secure and less affordable.”

“The supply gap (the lack of ability to produce power required) could be equivalent to as much as 55% of electricity demand by the middle of the next decade,” according a new study highlighted by Thompson.

Increasing numbers of home and business owners are installing independent generators which will automatically switch on as soon as the mains power fails and keep running until it is restored.  Such systems mean that a home can continue to function albeit in a more limited way – fridges, freezers, central heating pumps can all run as normal. Businesses likewise can continue to operate if their servers are supported with an appropriately sized generator; production machinery and office computers will continue to run even without mains.

One company that has been at the forefront of supplying and installing such systems for several years is Yorkshire based YorPower.  Managing Director, Ian Thompson, told us that the company has increased its already significant stocks of generators so that once a customer has recognised that their home or business is exposed to the risk of losing mains power they don’t have to wait long to have backup installed.

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Latest emissions regulations on the use of diesel powered generators 2016

Diesel emissions have dominated recent headlines causing confusion and misunderstanding for consumers and industry suppliers alike, more recently with the use of diesel generators. Leading manufacturers are under immense scrutiny – how has this impacted other areas of diesel powered engines, both road going and non-road going?

The driving force behind the regulation change derives from recent studies that primarily focus on the damaging impacts diesel emissions are having on air quality. The primary pollutants are Oxides of nitrogen (NOX), Carbon monoxide (CO), Hydrocarbons (HC) and Particulate matter (PM). Whilst carbon monoxide is a common player in the emissions battle, oxides of nitrogen (NOX) has faced much more questioning in more recent emission reports. NOX is thought to be a key element in the rising number of cancer related illnesses. EPA estimates that by 2030 the treatment of these emissions would annually reduce 12,000 premature deaths and 8900 hospitalisations.

The increased awareness of the changing emission regulations can only impact manufacturers of power generation equipment. Maintaining high performance levels whilst implementing tougher legislations is a key challenge facing many diesel manufacturers. The challenge is to reduce the production of NOX at source well enough to avoid other more costly measures.

Today’s modern diesel engine is the cleanest form of combustion engines on the market. With new developments in technology, specialist after treatments could be the only solution left for diesel manufacturers. CEO’s must embrace the cleaner legislations of Tier 4 in order to survive the evolving consumer expectations for cleaner, affordable fuels. Tier 4 emission limits require up to 90% reduction of NOX and 50% of PM, but the initial stages of the tier only scratch at the surface. With the following final Tier 4 limit imminent a further 88% reduction will soon follow.

Manufacturers face a hard battle to introduce Catalytic reduction and regenerate filters without making diesel engines much more expensive. Stationary diesel generators are not only facing pressure to comply with Tier 4 legislation, they also risk losing the key denominator separating diesel generators and their gas competitors. With new tier 4 legislations adding cost to the supplier, surely the ripple effect will impact on consumers. If stationary diesel engines fail to supply the same competitive prices they currently offer, diesel generators could soon face extinction.

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Dirty Diesel Generators Cleaner by YorPower – Emissions Compliant Generators Tier 4

Increasing emphasis is being placed not just on efficiency and fuel consumption but now also on emissions.

The European Union has established categories of allowable emissions in non-road diesel engines called Stages I, II, III(A), III(B) and IV. Each increasing stage specifies lesser amounts of four specific pollutants that are permitted, based on the number of grams per kilowatt-hour of the compounds present in diesel exhaust.

These regulations primarily affect portable diesel generator sets (18 kWm to 560 kWm) and other non-road and industrial engines. At the present time, the EU does not regulate emissions from stationary diesel generator sets such as those used for prime, peak shaving, load shedding or emergency standby power. All non-road equipment, such as rental generator sets, were required to meet Stage II requirements effective 1 January 2007 and Stage III(A) by the end of 2015.

In the EU, four main constituents in diesel exhaust are controlled:
• Nitrogen oxides (NOX)
• Hydrocarbons (HC)
• Carbon monoxide (CO)
• Particulate matter (PM)

For Stage IV and beyond, some non-road diesel engines will require selective catalytic reduction (SCR) after-treatment systems to reduce NOX, HC and CO to regulated levels. Stage IV PM reduction will require regenerative filters on the exhaust to trap and eventually oxidize the soot particles.

The YorPower range of Stage III(A) Emissions Compliant generators includes units powered by both Perkins and Cummins engines but other options are becoming available using engines from different manufacturers.

YorPower Emissions Compliant Generators
Stage III(A) Compliant


10 11 Perkins 403D-15G
13 14 Perkins 403D-15G
20 22 Perkins 404D-22G
27 30 Perkins 404D-22TG
30 33 Perkins 1103D-33G3
36 40 Perkins 404D-22G (1800rpm)
40 44 Perkins 404D-22TAG (1800rpm)
50 55 Perkins 1104D-44TG3
60 66 Perkins 1104D-44TG3
70 77 Perkins 1104D-44TAG1
80 88 Perkins 1104D-E44TAG1
90 100 Perkins 1104D-E44TAG2
100 110 Perkins 1104D-E44TAG2
137 150 Perkins 1106D-E70TAG2
150 170 Perkins 1106D-E70TAG3
180 200 Perkins 1106D-E70TAG4
200 220 Perkins 1106D-E70TAG (1800rpm)
225 250 Perkins 1106D-E70TAG (1800rpm)
400 450 Perkins 2206D-E13TAG3
450 500 Perkins 2506D-E13TAG (1800rpm)
500 550 Perkins 2506D-E15TAG2

158 175 Cummins QSB7-G5
182 200 Cummins QSB7-G5
200 220 Cummins QSB7-G5
225 250 Cummins QSL9-G7
250 275 Cummins QSL9-G7
275 300 Cummins QSL9-G7
300 330 Cummins QSL9-G7
409 450 Cummins QSZ13-G7
November 2015

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Standby Diesel Generators

YorPower Generator

YorPower Generator

Standby diesel generators are used by businesses and remote domestic dwellings in the UK and, where backup power is needed, all over the world. The ever increasing demand on mains power networks coupled with the reducing number of power stations means an alternative supply is essential for businesses to function without interruption.

In developing countries, where networks are not capable of delivering increased demand, standby generators are typically used as the primary source of power for homes as well as for commercial use. Diesel and petrol/gasoline is cheap in many of these countries so running a generator is an economical way to provide power.

Why buy generators and not something more efficient or less damaging to the environment? The answer is wholly financial; a standby generator is the cheapest capital purchase by some distance and will provide quick, available power where and when needed. It is simple maths. Compared to solar or other non-fossil fuel alternatives, generator power, using diesel is by far and away the most cost effective. Diesel generator efficiency.

Budgeting for, and investing capital in, standby power for disaster recovery (link to blog disaster recovery) in developed countries makes good sense. However, when using generators as the sole or primary source of power in the developed world as an alternative to mains electricity, the costs are high. For example, in the UK if your electricity bill over 10 years was, say, £10,000 the cost of buying and running a generator over the same period would probably be more like £50,000! Combined Heat and Power (CHP) systems can be an effective way of maximising the total energy produced, but still fall some way short. Environmentally, generators are a long way short of ticking the ‘green box’ but until grid supplies worldwide are beefed up and can cope with current and future power demand or a genuinely viable green alternative presents itself, a standby diesel generator will remain the first choice for backup power.

Like it or not, environmentalists can do very little about the predicted spiralling increase in the number of generators predicted over the next three years, even in the developed world. To underline this point, last year Hurricane Sandy devastated New York City and other parts of the State. The storm occurred on October 25th 2012; domestic generator demand was so great immediately following the event that people had to wait until April 2013 before they could get their emergency cover in place. In the US, regulations governing C02 emissions is as high as anywhere in the world, ironic considering the average US citizen consumes 6 times more power than its nearest rival. On the flip side, Americans typically install gas generators as the preferred choice for their domestic standby power, which, whilst significantly more expensive in terms of capital outlay than diesel, are far cleaner and produce much lower emissions.

In summary, the lack of alternatives to standby diesel generators for backup and emergency power means generators will be around for some time to come.

For more information on standby diesel generators, gas powered generators or CHP gensets please email YorPower ( or call us on +44 (0)1977 688 155. Website

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