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Posted (edited)

Just having a clear out of some of my old paperwork, and came across this price list of when we installed some panels in 2000.Β 

IMG_20230906_080008923~2.jpg

Edited by rusty69
Posted

That's stucking faggering - a 110 watt panel for Β£560 quid? πŸ˜΅β€πŸ’«

Β 

Never heard of a "self regulating" panel before. I wonder why those didn't catch on.

Β 

Did AB Butt go on to be called something else?

Posted (edited)
16 minutes ago, Puffling said:

That's stucking faggering - a 110 watt panel for Β£560 quid? πŸ˜΅β€πŸ’«

Β 

Never heard of a "self regulating" panel before. I wonder why those didn't catch on.

Β 

Did AB Butt go on to be called something else?

It is rather expensive compared to todays offerings. The 40W panel is still on the boat, so at Β£10/ year,it probably represents quite good value for money, though I don't suppose the efficiency is what it was when new.

Β 

I think the solar bit of A B Butt disappeared, though Mr Google suggests the company may have been a garage at some point.

Edited by rusty69
Posted

Efficiency has almost certainly dropped (the figure I saw was 0.5% degradation per year) but I wonder whether the Siemens' panels were manufactured in Germany back then? I suspect they would have used higher quality materials and have a better life than the Chinese stuff churned out nowadays.

Β 

Even though solar power wasn't a novelty in 2000, there must have been less competition between suppliers and installers, so margins were almost certainly higher than in today's solar market.

Posted
1 hour ago, TheBiscuits said:

The latest quote I got was Β£76 each for 400W panels ...

That's a keen price. New or ex-solar farm?

Posted

I took a 100w mono panel with a strange home made looking variable voltage controller from a Derbyshire company M&R controls in 2009 for around Β£420 and made my own bracket.Β 

I would laugh if someone tried to charge me that now.

Posted

My first solar panels were BP 75w and Siemens 75w. About Β£350 each in 1995.Β 

Latest ones were Canadian Solar poly. 415w at Β£120 each.

(2022)Β 

Of course the bigger panels are nominal 36v so need an MPPT controller which is more expensive than a simple PWM. I had a Solsum back in the day.Β 

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