Recent content by t4sltd

  1. t4sltd

    Battery Storage System For Pv(charging From The Grid Off Peak)

    As Worcester says, having done the sums the system is unlikley to pay for itself within the warranty of the batteries. The 5kWh system described by Marc8 can store 5 kWh of electricity. If you get this free from PV (very unlikely all year round), saving 15p/kWh import gives 5 x 15p of...
  2. t4sltd

    Installing PV non MCS

    Lee, NIC covers Part P notification but not Part B (structural for the panels) - see Worcester's comments above.
  3. t4sltd

    Public consultation for the solar PV Code of Practice (IET)

    The Draft for Public Comment stage for the IET Code of Practice for Grid Connected Solar Photovoltaic (PV) Systems is now open, and the closing date for receipt of comments is Friday, 7th November 2014. The draft document and the comments form for feedback are on the following webpage...
  4. t4sltd

    Triangular shaped panels

    Went to Segen training this afternoon and it was very poor. Apparently you can model in PVSys by using the 'square' panel and replacing every 2 triangles with one 'square' one. There is only one triangle module available meaning the cell sub-strings run up-down or left-right depending which...
  5. t4sltd

    MCS NC - roofing advice please

    I would flash one bracket, take a photo and send it to him. This should be enough to close nc.
  6. t4sltd

    Where can I install a private electricity meter?

    your installation starts after the import meter. as you say they could install an unofficial export meter (between the import meter and the consumer unit) to measure export. consumption in the house = generation by pv + imports from grid less exports.
  7. t4sltd

    Goodwe GW3600 Solar PV Inverter

    Having seen one in the flesh and read its poorly prepared manual I am sceptical; doesn't look / feel like a good quality piece of kit but it might be - hard to tell (we only instal SMA, Fronius or Stecca). I tracked down a G83 certificate so it does exist, again it didn't look particularly...
  8. t4sltd

    Gemserv Limited

    A monopology provider of paperwork; allow you to do your job in exchange for money.
  9. t4sltd

    The Great Poly or Mono Debate....Part 1001....

    We have 15 x Ying Li Poly 245 next to 15 x Ying Li Mono 250 on our office roof (10 deg pitch) both on Stecca 3.6kW inverters. Taking difference in systen sizes into account they are within 1% of each other in terms of energy, the mono cost more.
  10. t4sltd

    EcoBuild - Best bits...

    Smaller and less busy than previously. Solar presence far smaller than previously. Some large PV wholeslaers not there. Lots of micro-inverters and immersion controllers. Good to see regular faces and which companies are in it for the long hall.
  11. t4sltd

    MIS 3002 Issue 3.1 and Horizon Chart

    It shows the old rule of thumb; don't put panels where they will be shaded in the middle of winter or during the middle of the day still stands (common sense really!) If you don't put ANY panels in the shade your shade factor is 1. Anything else and it gets complicated and generally your better...
  12. t4sltd

    Caravan PV systems

    Good advice from John 999uk. Suggest you buy a 12V or 24V panel and suitable charge regulator rather than a 30-35V panel (as used on houses) as it won't match the charge regulator.
  13. t4sltd

    2 x 3.68kW on two MPAN's or 7.36kW on one, Tale of a helpful DNO

    As we are based in the Midlands all of our installs have been in WPD's patch and when I have needed to speak to them I have been able to speak to real people which has helped. I agree that clear communication (on the phone and making usre you understand what they are saying) is always a good...
  14. t4sltd

    What were you doing before solar

    Solar hot water installation and renewable energy / energy efficiency consultancy. Never did much PV as it didn't make financial sense until DECC gave it a massive subsidy.
  15. t4sltd

    Small Off Grid System help please

    Wind and Sun or Aire & Sun. Be aware you might want to buy 12V panels so you can use a cheap 12V charge regulator to avoid buying expensive MPPT charge regulator.

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