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About MCS

MCS is a mark of quality and demonstrates
compliance to industry standards that companies
strive to meet. It highlights to consumers that
companies are able to consistently install or
manufacture to the highest quality every time.

Today Ofgem have published a note for any applicant who may encounter problems with completing their domestic RHI application between 5pm and midnight on 31 December after the Ofgem Customer Support Desk closes that day.  

The information via the link below may be useful to those who are applying within this period to receive the current biomass tariff, ie before the 1 January 2016 degression.

Full details may be found here.

MCS has published the December 2015 edition of the newsletter which can be downloaded here.

If you have any questions regarding the newsletter please contact the MCS Helpdesk on This email address is being protected from spambots. You need JavaScript enabled to view it..

The MCS Installation Database (MID) will be undergoing maintenance and will not be accessible between 15:00-17:00 on Friday 4th December. Please do not try to access the database during this time as you will be unable to generate certificates and it is unlikely that any MCS certificates will be sent out.

The Microgeneration Certification Scheme published a one month consultation on MCS 008 with the addition of an Annex to cover biomass appliances with incidental cooking capability on Tuesday 24th November.

The deadline for submitting comments is Thursday 24th December 2015. Further information can be found on the consultations page of the MCS website.

The Pre-Qualification Questionnaire (PQQ) for the MCS Audit and Inspection Programme procurement is now available to prospective bidders. Information on the procurement process and timelines, and the scope of services required, are contained within the PQQ, which is available on the Projects page of the MCS website.

PQQ responses should be submitted to This email address is being protected from spambots. You need JavaScript enabled to view it. no later than 5pm on 24th December 2015.

MCS along with other organisations, supplied TSI with information and witness statements, after they had received over 100 complaints about a particular company.

MCS has published a consultation on the MCS Certification Body Requirements Document. The Certification Body Requirements Document is accompanied by a detailed Impact Assessment covering the clauses applicable to MCS Contractor Certification Bodies.

The deadline for responses is Friday 4th December 2015. Further information and all relevant documents can be found on the consultations page of the MCS website.

MCS has released a new heat pump calculator which is available to download from the MCS website – link here.

A new version of MCS 012 (Product Certification Scheme Requirements - Pitched Roof Installation Kits - Issue 2.0) has now been published and will become mandatory from 2nd May 2016. Key updates include the compliance with regulations relating to external spread of flame when installing in-roof solar panels. All MCS certified installation companies who are installing in line with the requirements of MIS 3001 and MIS 3002 should refer to MCS 012.

Please read the ‘MCS 012 Fire Performance of Pitched Roof Mounted Solar’ document for more details.

The Microgeneration Certification Scheme (MCS) will be releasing a change to the MCS Installation Database (MID) on Thursday 5th November.

From 5th November, when you create a MCS Certification you will be asked to clarify whether the installation is domestic or non-domestic, and provide further details regarding the insurance warranty provider and insurance policy if applicable.