In the event of an unplanned power outage during normal times, the power restoration process involves restarting the power generators and switching on areas one at a time. The process is generally straightforward and restoration of supply is accomplished without too much delay.

In
the event of an unplanned power outage during normal times, the power
restoration process involves restarting the power generators and switching on
areas one at a time. The process is generally straightforward and restoration
of supply is accomplished without too much delay.

  1. Power Restoration following a Tropical
    Cyclone

On the other hand, in the event of a cyclone
related power outage, the power restoration process takes a totally different approach
with an extremely high safety focus. During cyclones an electricity network is
impacted, particularly the overhead power lines as outlined below:

  • Power
    lines could be broken and poles may have fallen and/or displaced
  • Landslides
    bring trees/vegetation on power lines
  • Customer
    service mains (black wire from the EFL grid to individual installations) may be
    broken and/or houses damaged
  • Pillar
    boxes (customer service mains connection point) could have sustained water
    damage due to flooding

For safety reasons, each and every metre of the overhead
power line needs to be inspected and confirmed safe, as well as a visual
confirmation that there are no damages to any house supplied by the EFL grid
before the power line is repaired, if necessary, and then switched on.

There has to be a POSITIVE safety confirmation (i.e. we
cannot assume that the power lines and houses are not damaged). Otherwise we
could be livening up an unsafe power line or customer service mains and causing
an electrical incident/accident which could lead to fatality or electrical fires
that could damage property. In addition, the inspection of the power line and
the POSITIVE safety confirmation shall be carried

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