Power cuts are inconvenient, but for many homes they are rare and short-lived. So before investing in backup power, the first question is whether you actually need it.
How likely is a power cut?
This partly depends on where you live and the local electricity network.
Some properties experience very few interruptions, while others — particularly in rural or exposed areas — may be more vulnerable. During major incidents, network operators generally prioritise faults affecting the largest number of customers, so local circumstances can influence how quickly power is restored.
Your own experience of power cuts in the area is therefore a useful starting point.
What would a power cut mean for you?
For many households, a short outage is little more than an inconvenience.
For others it can be much more disruptive. Backup may be worth considering if you:
- work from home and rely on computers and internet access;
- have koi ponds, tropical fish or pumps that must keep running;
- depend on electrically powered heating, water or other important equipment;
- regularly experience longer or repeated power cuts.
If outages are rare and the consequences are minor, simply tolerating the occasional interruption may be the most sensible option.
When does backup become worthwhile?
Backup is easier to justify when either:
the risk of a power cut is relatively high, or
the consequences of losing power would be significant.
If both apply, some form of backup may be a sensible investment.
Battery or generator?
A battery backup system is quiet, automatic and particularly attractive if you already have solar panels or are considering battery storage. Its limitation is that it can only supply power for as long as the stored energy lasts.
A petrol or diesel generator can keep running for much longer provided fuel is available, so it may suit properties where lengthy outages are a genuine concern. However, it brings noise, fumes, fuel storage and maintenance.
For most homes concerned mainly with occasional short interruptions, battery backup is likely to be the more convenient option. For prolonged outages or larger loads, a generator may make more sense.
The key question
Before choosing any backup system, ask:
How often am I likely to lose power?
How long might I need backup for?
What genuinely needs to keep working?
Once those questions are answered, it becomes much easier to decide whether backup is worthwhile and which type is most appropriate.
Stag Solar
If you are considering battery storage, Stag Solar can assess whether backup capability would be useful for your property and how much backup you actually need.