View the thread, titled "SAP calculations and general misselling" which is posted in Solar PV Forum | Solar Panels Forum on Electricians Forums.

First of all, almost all of the firms were using SAP 2009 when as we all know they should be using SAP 2005. The MCS is clear about this

MIS3002 refers to the 16th edition of the Wiring Regs. Are you still using them?

If I win the job then I will ask for the dodgy quotes and forward them on to MCS and REAL. It will be very interesting to see what they make of it.

Suggest that you pass them to the Certification Body that they're registered with.
 
New to solar and been getting annoyed with some competitors quotes too, mostly cramming more panels on the roof than possible given the 200mm clearance I was told to leave. (???) One installation the guy measured the roof at 3.2M, it said it on the drawing the customer showed me, I measured it off a ladder at 2.4M, slightly out, he apparently got up and used a ladder too!

I assumed it was just me getting things a bit wrong, seems like this solar pv stuff is littered with bull****ters.
 
It goes on....

Just had feedback from another customer - they have gone for another installer. The reason? They paid a little more but they wanted to get the best. The best in this case being Mitsubishi panels. A quick run through my software and their set up yields 500(!) less kWh than our option. Another customer sucked in by utter bull****.

I hope the ----- falls off the roof.
 
I think it's because Mitsubishi have the brand name - a bit like Sharp. They don't trust what they haven't heard of. We sometimes get that from the brand snobs. I'm not sure how you get round it - I bet the other company hasn't even PVSOL'd it. We're finding the 20 year inverter warranty is working well for us at the minute.
 
I do too, even though we couldn't possibly fit everything we quoted for - irrational really.

We've lost a couple recently to installers who were cheaper because they didn't use scaffolding - has this been happening everywhere else and we're just catching up??
 
It's there life, tbh I wouldn't do it any other way, unless it was a bungalow. Scaffold is only 300 quid roughly so you can't be that far out with your price surely?
 
We're paying around 450/500 for 2 storey x 9m for 4kwp, another £100 or so for edge protection and that's about £200 cheaper than anyone else in our area. One of our customers is a H&S consultant and she reckons the householder is liable if they fall off the roof because there's inadequate protection. We scaffold all our jobs even bungalows, I won't take any risks but some customers just aren't that bothered.
 

Reply to the thread, titled "SAP calculations and general misselling" which is posted in Solar PV Forum | Solar Panels Forum on Electricians Forums.

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