Yet another Solar installation quote post!

powerful_Rogue

rew81 said:

Screwdriva said:

rew81 said:

5 years is a bit too generous. 

Assuming 4000 kWh generated from your system:

1) Use 30% of this. 1200kWh X £0.34p per kWh (artificial price cap) = ~£400
2) Sell 70% of this. 2800kWh X £0.29p per kWh (Outgoing Agile avg. price T3M) = ~£800

1) + 2) = £1200 per annum. 5 years X 1200 = £6K

Price of 4kWh system (non-Chinese, without battery) = £5750 installed or < 5 years payback. 

Disclaimer: Your usage conditions may vary.

I hope I will be able to become an Octopus customer and be able to sell at that price. Your math is correct and if reality will match it we will all celebrate. A bit hard to become an Octupus customet at the moment but not impossible. For non existing customers the tariff is 0.07 if I remember correctly. Shell, my supplier, is paying 0.03p.
Chinese or not all companies (Tier1) will be able to honour the warranty. The bad part is that almost all of them will not cover the installation cost(scaffolding, labour etc). They will refund or replace the faulty product, not covering the installation process. 

I found it really easy to switch from British Gas to Octopus. Sent them a message on Twitter at the end of August, had a reply within an hour asking for my details, usage etc and within about 4 days had been switched over.

rew81

powerful_Rogue said:

rew81 said:

Screwdriva said:

rew81 said:

5 years is a bit too generous. 

Assuming 4000 kWh generated from your system:

1) Use 30% of this. 1200kWh X £0.34p per kWh (artificial price cap) = ~£400
2) Sell 70% of this. 2800kWh X £0.29p per kWh (Outgoing Agile avg. price T3M) = ~£800

1) + 2) = £1200 per annum. 5 years X 1200 = £6K

Price of 4kWh system (non-Chinese, without battery) = £5750 installed or < 5 years payback. 

Disclaimer: Your usage conditions may vary.

I hope I will be able to become an Octopus customer and be able to sell at that price. Your math is correct and if reality will match it we will all celebrate. A bit hard to become an Octupus customet at the moment but not impossible. For non existing customers the tariff is 0.07 if I remember correctly. Shell, my supplier, is paying 0.03p.
Chinese or not all companies (Tier1) will be able to honour the warranty. The bad part is that almost all of them will not cover the installation cost(scaffolding, labour etc). They will refund or replace the faulty product, not covering the installation process. 

I found it really easy to switch from British Gas to Octopus. Sent them a message on Twitter at the end of August, had a reply within an hour asking for my details, usage etc and within about 4 days had been switched over.

My solar panels installation is set for 13th-14th October. Should I wait and contact them after or before? What tariff have you opted for?

powerful_Rogue

rew81 said:

powerful_Rogue said:

rew81 said:

Screwdriva said:

rew81 said:

5 years is a bit too generous. 

Assuming 4000 kWh generated from your system:

1) Use 30% of this. 1200kWh X £0.34p per kWh (artificial price cap) = ~£400
2) Sell 70% of this. 2800kWh X £0.29p per kWh (Outgoing Agile avg. price T3M) = ~£800

1) + 2) = £1200 per annum. 5 years X 1200 = £6K

Price of 4kWh system (non-Chinese, without battery) = £5750 installed or < 5 years payback. 

Disclaimer: Your usage conditions may vary.

I hope I will be able to become an Octopus customer and be able to sell at that price. Your math is correct and if reality will match it we will all celebrate. A bit hard to become an Octupus customet at the moment but not impossible. For non existing customers the tariff is 0.07 if I remember correctly. Shell, my supplier, is paying 0.03p.
Chinese or not all companies (Tier1) will be able to honour the warranty. The bad part is that almost all of them will not cover the installation cost(scaffolding, labour etc). They will refund or replace the faulty product, not covering the installation process. 

I found it really easy to switch from British Gas to Octopus. Sent them a message on Twitter at the end of August, had a reply within an hour asking for my details, usage etc and within about 4 days had been switched over.

My solar panels installation is set for 13th-14th October. Should I wait and contact them after or before? What tariff have you opted for?

My solar panel installation is set for the 25th October. I just went onto their SVR tariff - However i've got an economy 7 smart meter, so after the installation i'll be charging the battery up overnight at 16p kwh.

If you're on a SVR with your current supplier, i'd drop Octopus a message now and get the ball rolling. They seem to be taking weeks with their emails at the moment, but seems their social media teams (twitter/facebook) are replying within hours, so I would contact them that way.

Also if you know of anyone on Octopus, get a referral code - will get you both a £50 credit added to your accounts.

rew81

powerful_Rogue said:

rew81 said:

powerful_Rogue said:

rew81 said:

Screwdriva said:

rew81 said:

5 years is a bit too generous. 

Assuming 4000 kWh generated from your system:

1) Use 30% of this. 1200kWh X £0.34p per kWh (artificial price cap) = ~£400
2) Sell 70% of this. 2800kWh X £0.29p per kWh (Outgoing Agile avg. price T3M) = ~£800

1) + 2) = £1200 per annum. 5 years X 1200 = £6K

Price of 4kWh system (non-Chinese, without battery) = £5750 installed or < 5 years payback. 

Disclaimer: Your usage conditions may vary.

I hope I will be able to become an Octopus customer and be able to sell at that price. Your math is correct and if reality will match it we will all celebrate. A bit hard to become an Octupus customet at the moment but not impossible. For non existing customers the tariff is 0.07 if I remember correctly. Shell, my supplier, is paying 0.03p.
Chinese or not all companies (Tier1) will be able to honour the warranty. The bad part is that almost all of them will not cover the installation cost(scaffolding, labour etc). They will refund or replace the faulty product, not covering the installation process. 

I found it really easy to switch from British Gas to Octopus. Sent them a message on Twitter at the end of August, had a reply within an hour asking for my details, usage etc and within about 4 days had been switched over.

My solar panels installation is set for 13th-14th October. Should I wait and contact them after or before? What tariff have you opted for?

My solar panel installation is set for the 25th October. I just went onto their SVR tariff - However i've got an economy 7 smart meter, so after the installation i'll be charging the battery up overnight at 16p kwh.

If you're on a SVR with your current supplier, i'd drop Octopus a message now and get the ball rolling. They seem to be taking weeks with their emails at the moment, but seems their social media teams (twitter/facebook) are replying within hours, so I would contact them that way.

Also if you know of anyone on Octopus, get a referral code - will get you both a £50 credit added to your accounts.

I'm with Shell on SVR. I will contact them tomorrow, thanks. 

arty688

Screwdriva said:

Frankly, at current prices/ rates, government support would make little sense for anyone not on any form of existing benefit. Payback on your investment can occur within <5 years without a battery! 

I would not recommend any of the brands you have been quoted for (other than the Zappi, which is excellent). Most are budget (read: cheap) Chinese companies with no semblance of a reputation or aftersales support. 

This recent quote may provide a steer:

 10 x 400w Sharp solar panels, 25 year warranty to 86.2% efficiency and a 15 year product warranty

  10 x Solar Edge optimizers fitted to each panel. 25 Year warranty

  1 x Solar Edge SE3680H Hybrid HD Wave single phase inverter 25 year product warranty

  1 x Solar Edge Energy store 10kh battery 10 year warranty

  1 x Emergency power backup supply

 £12,750.00. For every individual panel + optimizer you cannot fit, deduct £300/

You can't actually have emergency back up on that system ?

Also I was trying to avoid chinese but my recently install Solaredge inverter has a made in China sticker on it

Screwdriva

arty688 said:

Also I was trying to avoid chinese but my recently install Solaredge inverter has a made in China sticker on it

It's increasingly difficult to avoid "Made in China" but is still very easy to avoid "Owned by China". And if you haven't experienced it, the difference can be quite jarring! 

henleygoldnet

I have a quote (can only get one around here!) and have been trying to get payback period under 13 years. The papers have been quoting 5 and I couldn't work out how. I see from this above how they have done it. It assumes generation of far more than you use. My consumption is all used by me apart from a small amount in two summer months, so next to nothing coming from export. The solar would generate around 40-45% of my usage. I would plan battery storage so would be getting free or off-peak only power the whole year. As I may not still be here (in the house!) in 15 years time, it doesn't seem worthwhile purely on economic grounds, unless energy prices continue to soar (as had been forecast pre-new-cap) which now looks unlikely.

Spies

I worked my pv only system to 7 years ROI with an assumed import rate of 30p and export of 15p

Self usage over the 12 months I had assumed as follows and it's proving to be fairly accurate...

Oct-Jan 60%
Feb 54%
Mar-Jul 36%
Aug 46%
Sept 56%

rew81

Screwdriva said:

arty688 said:

Also I was trying to avoid chinese but my recently install Solaredge inverter has a made in China sticker on it

It's increasingly difficult to avoid "Made in China" but is still very easy to avoid "Owned by China". And if you haven't experienced it, the difference can be quite jarring! 

What is wrong with the companies based in China? They offer the same level of warranty or better. Panel specs are the same or better compared with competitors. 

rew81

henleygoldnet said:

I have a quote (can only get one around here!) and have been trying to get payback period under 13 years. The papers have been quoting 5 and I couldn't work out how. I see from this above how they have done it. It assumes generation of far more than you use. My consumption is all used by me apart from a small amount in two summer months, so next to nothing coming from export. The solar would generate around 40-45% of my usage. I would plan battery storage so would be getting free or off-peak only power the whole year. As I may not still be here (in the house!) in 15 years time, it doesn't seem worthwhile purely on economic grounds, unless energy prices continue to soar (as had been forecast pre-new-cap) which now looks unlikely.

Don't confuse a sales pitch with an onest unbiased advice. Your math is correct.