Image 1 — Quote - Sanity check. London
Image 2 — Quote - Sanity check. London

Quote - Sanity check. London

About to commit to this, just want a last-minute gut check from people who’ve had quotes recently:

- 7x Aiko 485W panels (3.4 kWp). Only amount I can fit on flat room, tilting southwards
-Tesla Powerwall 3 (13.5 kWh) plus gateway
- Fully installed, London

£11,900 all in. Does that look fair for what it is, or am I overpaying? Aware London tends to run a bit dearer than the rest of the UK. Cheers.

u/Next_Atmosphere6404 — 8 days ago

Quick sanity check on price, London

About to commit to this, just want a last-minute gut check from people who’ve had quotes recently:

**•** 7x Aiko 485W panels (3.4 kWp). Only amount I can fit on flat room, tilting southwards
**•** Tesla Powerwall 3 (13.5 kWh) plus gateway
**•** Fully installed, London

£11,900 all in. Does that look fair for what it is, or am I overpaying? Aware London tends to run a bit dearer than the rest of the UK. Cheers.

Quote:
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u/Next_Atmosphere6404 — 9 days ago

South face, flat roof only (7 panels) vs also filling a 43° near-north face pitched roof

Hi guys!

Looking for a sanity check on a panel-count decision.

London, solid-brick house, flat roof + a pitched roof.

The setup:
• Flat roof (south, ~10° tilt): full at 7 × Aiko 485W. Installer’s MCS estimate = 2,731 kWh/yr. This is the good orientation and I’m definitely doing it.

•	Pitched roof (near-north, azimuth \~4°, 43° pitch): could take up to 14 more panels, but MCS yield is only 498 kWh/kWp. Less than half the south face (1,021 kWh/kWp).

Rest of the system: single Tesla Powerwall 3 (13.5 kWh), DC-coupled, 3+4 stringing across two MPPTs (just the south facing panels).

I’m leaning on getting just the south-only panels. The north panels pencil out at ~9.5-yr marginal payback (using Google to calculate) even sharing the scaffold, and I plan to move within ~10 years.

But the “fill the roof while the scaffold’s up” logic I see on Reddit is on my mind. Those 14 north panels would still make ~2,000 kWh/yr of near-free generation for, and you never add panels this cheaply again.

Question: is a 43° near-north face at 498 kWh/kWp ever worth it? Or is sub-half yield on a steep north pitch always the wrong call? It is almost an extra £2-3K.

Thanks in advance.

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u/Next_Atmosphere6404 — 20 days ago
▲ 3 r/SolarUK+1 crossposts

Powerwall 3 (no solar). Can it export grid-charged energy?

Considering a PW3 + expansion (27 kWh, £11K+) with no solar or heat pump(yet).

Plan: charge at 6.9p on Intelligent Octopus Go overnight, run the house off it, export the surplus (~10–13 kWh/day) on Prime Outgoing/Outgoing Fixed.

I've modelled it against a year of my half-hourly data. Roughly £1,350/yr saved, ~8.5-year payback.

Two things I can't confirm:

  1. Does Tesla's UK software actually allow exporting grid-charged energy (no solar), and does it play nicely with IOG import + an Octopus export tariff?

  2. The EMEA warranty gives unlimited cycles for "time-of-use load shifting" but caps "any other application" at 37.8 MWh throughput. Has anyone had Tesla confirm which side grid-charge-to-export falls on?

Anyone actually running this setup? Real-world experience appreciated.

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u/Next_Atmosphere6404 — 27 days ago

[England] Chance of getting some money back? Expensive blood test

Hi everyone,

I need some advice on private healthcare billing in the UK. Yesterday, I paid a massive £1,200 invoice at a major private hospital for a batch of 14 blood tests requested by my clinician.

While I have used private healthcare in the past, this was my very first time ever having to self-fund and pay for a service directly out of pocket (for reasons I won't go into here).

I actually did some research beforehand and expected it to cost a few hundred pounds, but definitely not this much. Because I was completely new to paying for it myself, I didn't realise I could just take my doctor's request to a cheaper independent service and hand the results back. I know that now, but it's an expensive lesson learned.

After looking into the invoice details post-payment, I realized the administrative staff billed me completely "a la carte"—charging premium, individual line-item fees for every single marker.

Here is what was on the list:
Full Blood Count, Coagulation Screen, Vitamin B12, Folate, Ferritin, FT4, TSH, U&Es, Liver Function Tests, Bone Profile, Hs-CRP, HbA1c, AFP, and Free PSA-Ratio.

I am just now finding out that at least 11 of these markers (FBC, U&Es, LFTs, Bone Profile, HbA1c, Thyroid, Vitamins, etc.) are standardly run simultaneously on the exact same automated lab machinery as a single "Comprehensive Biochemistry Panel." In bundled health screens, those 11 usually cost around £150-£200 total, with only 3 of them being true specialized add-ons.

Because they unbundled everything into separate line items, my bill shot up to £1,200 instead of what should realistically be around £450–£500 if bundled correctly. Paying an extra £500–£700 just feels crazy looking back now.

Since the payment was taken just yesterday, the transaction is completely fresh. I want to check if there is anything at all that can be done to challenge this.

Has anyone successfully disputed a private hospital bill retroactively after realising you were overcharged due to unbundled line items?

Do I have any grounds under UK consumer rights to argue unfair pricing since they didn't offer a fair package rate for overlapping tests?

What is the best way to approach the hospital's finance department to ask for a partial refund or adjustment?

Any advice or perspective would be massively appreciated. Thanks!

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u/Next_Atmosphere6404 — 1 month ago

Channel SE to Senior Field SE

Hi all,

As a Channel Sales Engineer, is jumping straight into a Senior Field SE role realistic, or am I setting myself up to fail? I have a decent idea of what field work involves and I really want the move, but I’m wondering if I should start with a regular Field SE role first instead of going straight for senior.

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u/Next_Atmosphere6404 — 1 month ago

Motivated but can’t actually get myself to learn. Laziness?

Hey everyone,

I’ve got free time at work and I’m genuinely motivated to learn new skills and pick up some useful certifications for my role. I know exactly what I need to do, but I just can’t get myself to actually start.

The thought of sitting down, opening a course, or even typing on a keyboard, playing with labs, to learn, feels almost impossible. I lose focus instantly, zone out, or just can’t get into it. Even when I force myself, I don’t retain much.

I’m trying to understand if this is laziness or something else, because I do feel motivated, I just can’t execute. Has anyone experienced this? How did you break through it?

Any advice would be appreciated.

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u/Next_Atmosphere6404 — 2 months ago