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News and Articles

Engineer wanted!

4/1/2021

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Having recently welcomed a new CAD Technician on board, with high demand for our quality services we are already recruiting for an electrical engineer to join the team and help with some upcoming design projects.

More information is on our Careers page... If you are a skilled professional engineer, we would love to hear from you; if not but you know one please forward the link!
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Fideoak ESS Energised

4/6/2020

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We're proud to announce that one of our key project of the last year, a 25MW energy storage facility near Taunton, is now operational.
The investor in the scheme is South Somerset District Council, with Opium Power as developer/project management and BSR completing the works as main contractor.
The project is a 33kV 25MW energy storage scheme with a BYD containerised solution. It is optimised to provide grid services to National Grid, including frequency response and balancing services. However, through the involvement of the aggregator Kiwi Power it is able to be flexible offer a full range of services to support the transition to a low carbon electricity network.
More information about the project is on the Client's press release.
CEE provided design and engineering services to the EPC / main contractor during a major works programme, starting in Summer 2019. We supplied the lead on electrical design for our customer, including:

  • Private 33kV network engineering and consultancy
  • HV switchboard automation and control scheme design
  • LV auxiliary scheme design
  • Switchboard design reviews
  • Construction documentation and drawings
  • Engineering support and consultancy
  • As built / in-progress installation surveys and site meetings

Prior to the buld programme, CEE had also provided engineering services to the ICP for the DNO connection, including switchboard specification, cable design and managing the contestable works approvals process with WPD.
We look forward to working with our customers to deliver proposed extension works to bring the site up to 30MW. Indeed, despite Covid-19, it appears that 2020 will be a growth year for our utility scale new-build design projects, with a growing pipeline of solar and storage sites.
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Terms and Conditions

1/5/2020

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Our Standard Terms and Conditions have been updated following our move to Oundle. This affects all of our clients with immediate effect.
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Coronavirus update

18/3/2020

 
We hope all of our clients are staying healthy during this troubling time. We recently published the following notice to our regular clients regarding the measures CEE is undertaking to minimise the risk to the public.

Owing to recent Government advice:
  • CEE staff shall be working from home for the foreseeable future. This may result in some delays, particularly to written correspondence, for which we apologise in advance. However, we have contingency plans in place and all normal design and engineering services will be available, including full access to electronic archives etc
  • Our (new) telephone number as above will be routed directly so please continue to use it
  • Site visits and especially face-to-face meetings will be avoided wherever possible to protect vulnerable people at home, and to minimise cross-country travel. This will mean a greater reliance upon existing records, photographs and videos (including live video) by others or the use of local contractors for site visits, and web conferencing for meetings.
  • Visitors to CEE’s office will be appointment only and additional controls may be necessary
  • Payment by cheque will be accepted by advance agreement only; BACS is preferred
  • We shall of course endeavour to comply with such similar measures as you put in place, and to listen to and share practical ideas for the common good
 
We apologise in advance for an inconvenience this will cause, but hope that you understand given the unprecedented nature of the matter. We will keep these measures under constant review, particularly as Government advice changes, and look forward to returning to normal service. We also sincerely hope that you, and your families, stay well or recover swiftly during this crisis.

We have moved!

17/3/2020

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I am pleased to announce that CEE has recently moved office to a larger premises in the country town of Oundle. We now have space for additional team members and a meeting room; we’re now in a modern office above an award winning brewery and we’re back to being in a building with its own PV array. Please update your address books accordingly:
Cooper Energy Engineering Ltd
Oundle Wharf
Station Road
Oundle
Peterborough
PE8 4DE
 
Google maps link: https://www.google.com/maps/place/@52.4868847,-0.4645992,173m
What3Words: ///eagles.engineers.worry
 
Our new telephone number is
+44(0)1933 712 341
 
Our registered address with Companies House will be updated shortly (unless specifically asked we won’t be sending out a mailshot in this regard).
 
After the Coronavirus crisis has abated, we would be glad to welcome you to our new digs!
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We are recruiting

13/12/2013

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Thanks to strong demand from the utility-scale Solar Park sector, we are currently recruiting for new people to join our team.

We are urgently looking for an Assistant PV Engineer to help with drawings, schematics and calculations. We are also open to applications from prospective PV Project Engineers for the same work, or for those with more experience who can also help with advising clients and producing designs.
See our Careers page for more information
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Christmas and New Year Closure

11/12/2013

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We would like to inform our clients that CEE will be closing for the Christmas and New Year holiday period. As a result we will not be available to work on projects between the 23rd December and 3rd January 2014 inclusive. Our office will reopen fully for new projects on the 6th January
We would also like to take this opportunity to thank you for your custom over the last year, and we look forward to working with you again in 2014.
Finally, on behalf of CEE, I would like to wish you a very Merry Christmas and a happy and prosperous New Year.

James
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We've Pledged!

24/6/2013

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Investors in the Environment logo
Cooper Energy Engineering is proud to announce that it is "walking the talk" and has taken its first step towards an environmental management accreditation programme. CEE has pledged to develop its Environmental Policy, and to put in place measures to reduce our carobon footprint in our actions and our designs.

We're also offering our services to the GreenerNorthants network, helping local businesses develop their low-carbon strategies.

... Watch this space for more!

More information on the Investors in Energy Scheme can be found on the IiE website.

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PV in coastal regions

30/5/2013

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We all think of sunshine when someone mentions the coast, and it's easy to think of PV as being ideally suited for life on the coast. After all, surely you're talking about the sunny South and there's not much to shade it except a few waves, right?

This of course is generally true, and a PV system on the coast should be a success. But being on the coast does bring with it a number of challenges, namely sand, salt and the wind. These are of course problems that any structure needs to face, but that doesn't mean they can be ignored - indeed, since many installation crews work all over the UK, it's often completely forgotten.

I've just put together a specification for a 250kWp array on a new industrial unit in Cornwall, and with this in mind, here are some of the design considerations I bore in mind:
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The air on the coast is much more salty than "usual" - we all know the smell of the sea - and this can accelerate electrolytic corrosion of metals. Any equipment installed on the coast should allow for this; ask for modules and inverters with salt mist test certification.

The IP rating alone won't tell you this, as salt is a particularly corrosive substance that will get through seals over time. The photo on the left shows the power circuit board of a Fronius inverter that has been through this test. This particular manufacturer has lacquered the circuitry so despite a relatively low IP rating, components will still function if salt gets in. Other products may rely on a hermetic seal... But will that seal last 25 years? Make sure it's been tested!

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The rest of the structure can be affected too. The array mounting structure will be exposed to the hostile environment so choosing materials carefully - and avoiding electrically dissimilar metals - is a definite action point. Untreated steel will probably rust, whereas alumninium and stainless steel should last longer.

Using an inverter without a transformer will, by design, result in a leakage current to true earth. As can be seen in the attached photo, this leakage will affect even inland systems and you'll get accelerated corrosion (the system is less than a year old but there's a distinct patch of oxidation visible already and the copper fitting is already "rusting"). As seen in the photo, inland this is  normally within accetable limits, but when on the coast there's already an increased risk so consider including a transformer for galvanic isolation to minimise this effect.

This also applies to other exposed metalwork, such as cable mounting systems (choose stainles steel or coated) and the building itself. Even if the PV components are tough enough, will it affect more delicate cladding and finishes?

On top of all the salt in the air, you've got to contend with sand too. The array itself should be fine as long as it's at a sufficient angle to prevent sand piling up. On the other hand, sand, as with any other fine particle, does have a habit of clogging filters and fans. Again, this is where quality equipment comes into play: High end manufacturers such as SMA and Fronius separate the cooling air channel from the components themselves. However, the fans pulling this air through can still get blocked and/or be abraded by the sand, so consider where the inverters are to be kept, and whether an additional filter would help.
Finally, there's the stronger wind that you normally get on coastal sites. While this is rarely a problem - at least in the UK where it's relatively docile - it should be accounted for in the fixing design. This is a factor included in designs in accordance with the MCS code MIS3002 and the Eurocode range (BS EN 1991), and should be done by your installation company by default.
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In summary, installing PV near the coast does have additional challenges. But none of these challenges are insurmountable, and a well designed installation will perform as well as any other in the UK - if not better.

(Thanks to SMA and Fronius for some of these images)

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Planning Study Completed

22/5/2013

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Cooper Energy Engineering has submitted its report as an expert advisor on PV systems, as part of a retrospective planning application for a 37kWp solar array in an AONB in East Sussex.
CEE was engaged by the planning consultants Parker Dann representing the system owner, via a contract with Southern Solar, to survey the existing installation, and produce a report commenting on the suitability of the existing design and make recommendations for any improvements.
Since the installation was sited within the High Weald Area of Outstanding Natural Beauty (AONB), the focus of the study was on mitigating the visual impact of the array on the wider area. Our report found that while the array was of a reasonable scale, design and location for a less sensitive site, a number of measures could have been taken including landscaping for screening and using screw-piles rather than concrete foundations.
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Cooper Energy Engineering is well placed to provide independent reports in support of Planning Applications. Obviously we do not recommend installing PV systems without first obtaining Planning Permission, or confirming that the system falls within the rules for permitted development. Further advice on Permitted Development rights and requirements for obtaining planning consent are given on the Planning Portal website, with separate criteria for domestic and non-domestic projects. If you would like project-specific advice, we would be happy to help - please contact us.
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Copyright © 2020. Cooper Energy Engineering Ltd is UK registered company, no. 8253361. VAT registration no. 161 4825 15.
Registered address: Oundle Wharf, Station Road, Oundle, Peterborough PE8 4DE
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