01 Electrical · Solar panel installation
Solar panel installation, paid on approval.
Solar stopped being an idealistic purchase and became an arithmetic one. The question people ask now is simply whether it beats what they currently spend on fuel — and whether the person quoting can show their working.
02 What the job involves
What you are actually paying for
Panel mounting, charge controllers, hybrid inverters and system commissioning.
Also asked for as: solar power · solar system installation
- A load assessment, exactly as with an inverter — panels do not remove that step
- Roof or ground mounting sized and oriented for actual sun hours
- Charge controller or hybrid inverter selection matched to the array
- Battery storage sized for the hours you need after dark
- Commissioning with measured output, not just "it is working"
03 What moves the price
Why two quotes differ
Quotes arrive sorted by total, which makes comparison easy and misleading in equal measure. These are the variables worth checking before you decide one is cheaper.
- 01
Array size in watts, which follows directly from your load assessment
- 02
Battery storage capacity — usually a larger cost than the panels themselves
- 03
Roof type and access, since some mounting needs different fixings and more labour
- 04
Whether you want a hybrid system that still uses mains and generator
04 Questions
Worth asking first
- 01
Will solar run my air conditioner?
- It can, but that is the load that changes the size and cost of the whole system. Be specific about it up front. A system quoted for lights, fans and a fridge will not quietly absorb an air conditioner later, and finding that out after installation is expensive.
- 02
How do I compare solar quotes fairly?
- Compare the array watts, the battery capacity in kilowatt hours, and the inverter rating — not the headline price. Three quotes at similar prices can be very different systems, and the cheapest is often the one that quietly shrank the battery bank.
05 Related
More electrical work
Local rates
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