Domestic Solar PV Quotes 2022 - No PM requests - See Mod note post #1

Robbery, get more prices.Why would you need 20 optimisers?

Has been reported before with Huawei  to support larger kWp and number of panels the inverter requires its own brand of optimisers to be installed on every panel. Sure there are posts reporting where max might 15/16 panels of approx 400W but to get to 20 they need the optimisers. Not so different from SolarEdge which requires optimisers for every panel.

Price is still crazy!

Which one are you then, Grumpy? Sleepy? Anyway, KN are a large electrical/coms engineering contractors. They would have plenty of qualified and over qualified staff trained to install just about anything with wires coming out of them. It's not like solar is rocket science. You can complete the course for the grunt work in a few weeks, any sparks can come along after and pop in the cable's and breakers, and it's really basic electrician stuff. If the inverter needs configuration it's all in the installer manual, and like any config, do it a few times, do it in your sleep after. Same goes for adding batteries. They'd be far more capable than the man in a van operators with a sparks on a retainer.

Jeez, has nobody got a sense of humour anymore? I'm not 'Happy' as in Snow White et al. You'll be as safe as houses with KN, They'll be calling you 'shortly' I'm sure.🧙‍♂️

The most famous use of this quip was by Nigel Owens, distinguished rugby referee, who was being harassed for a decision by the diminutive Munster scrum half Peter Stringer. " I'm not Happy, Nigel" sez Strings. "Well which one are you?" Sez Nigel . Ouch.

I would take it by the posters name they are elderly, maybe I'm way off the mark but it still looks like you were not really being nice with you're opening comment. "Which one are you then, Grumpy? Sleepy?"

So being elderly can circumvent forum rules, and can name companies and suppliers. Good to know for future posts.

I'm not happy and subesquent replies, on whatever fora, a well established criteria and counter (tongue in cheek)

KN still do telco stuff. They've plenty of work for themselves there ha.

They must have saw the €€€ signs with the Solar

You do know this is a quotes thread? Not a smart arse thread yeah?

I have received 2 quotes so far (subject to survey) and am expecting another that will come after a survey.

House is small semi-detached with Hip roof with east and west facing elevations. Heating is a 15yr old Air Source Heatpump. Ber is B2. We have had some big electricity bills last winter -1000euro :-(

I asked for just Panels and hybrid inverter in the quotes as I cant stretch budget for a battery yet and am thinking the family are usually in the house during peak generation hours for east and west panels.

just bough a huawei battery from senetic for 2350 delivered, now I already have a 5kw battery and the bms, but the prices seems to be dropping.

Supplier 2 quote is very in line with what I paid back in June (so to me it's a good quote) - much better than supplier 1

Where are they getting their 30 year lifespan from?

Their return on investment chart was predicated on 30 years of saving, no reduction in output and no reduction for the replacement or repair of panels, inverter or batteries. The graph was a straight line. Inverters will be unlikely to be serviceable halfway through that time, as inevitably will some of the panels and batteries. Just like a lot of the powered assets and fixtures you own, ovens, laundry, boilers, your car, you would expect to replace many or most well within half of 30 years. During that time you will have many substantial bills for servicing and repairs, rising with the age of the equipment. Unlike the trivial cost for installation of electrical appliances, such as €80 to swap out a €1500 double oven, you can expect to pay the same rate to replace PV panels or inverters as the original installation cost, which are currently several multiples of the equipment cost. I'd really love to hear from someone who has had panels fail after 20 years and has had them replaced at no cost under warranty.

Naive and simplistic statements of return on investment do nothing for the credibility and motives of the publisher, and an honest estimate of maintenance cost over the 30 years would have taken little effort. I'd honestly expect that you'd likely fork out half of your original investment again during a 30 year period, at which point you would be facing practically a full refit of the electrical hardware at least, and any weather exposed cables also.

Have you never had to have a car, appliance, or boiler serviced or repaired over ten years of use? Make that 30 years? The cost of running a washing machine over thirty years is roughly the price of the original and it's two replacements every ten years, I wrote down technical and IT equipment over 7 years, in order ⁹to always have a reasonable QoS. Well and good if something functioned for twice that lifespan, others might fail or become obsolete in 3 or 4 years. Murphy's law states, 'if something can go wrong, it will'. And it does.