Maximize your energy supply while we keep your substation running.
Substation Maintenance
Optimize your substation.
As a critical point in the transmission and supply of energy, a segment malfunction in equipment may result in unexpected power outages and possibly a complete grid shutdown. This can take days and even longer to repair, resulting in a total blackout and revenue loss.
Anairsun works to avoid substation downtime with an effective schedule consisting of minor and major maintenance plans, including testing, repairing and replacing vital substation components. This develops a reliable and highly operational substation supported by preventative and corrective maintenance plans that reduce the risks of power failures.
Our service scope includes:
Substation maintenance schedule
The schedule consists of plans and procedures that should be followed to provide preventative and corrective maintenance. This is done through periodic checks, repairs, replacements, and reports to ensure that the substation is running effectively.
Inspection and equipment cleaning
Ensuring that infrastructure is well maintained by checking for flaky paint and exposed rust corrosion and performing corrective maintenance. Furthermore, we keep machinery, fences, and gates clean which develops a well-maintained site.
Measuring equipment condition
Equipment is inspected regularly and replaced through a regulated procedure that grants replacement based on: damage, detection of wear, equipment is irreparable or does not perform accordingly.
Inspection of oil and insulation liquid levels
Transformer and circuit breaker oils are checked for contaminants, dissolved gas content, and dielectric breakdown values. All bolted connections are inspected for correct torque settings. Included is the arrangement of the substation’s bus bar and the cleaning of channels and cable trays.
Substation performance tests
A variety of pre-planned maintenance tests, minor and or critical, to measure substation performance with the provision of detailed reports that identify areas of substation improvement.
System performance inspection
Visual and auditory system performance checks are conducted on equipment to identify and review signs of malfunction on circuit breakers, transformers, powerlines and meters.
Reporting
Provision of reports detailing all inspections, findings and actions taken during the maintenance process.
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Don’t let another shutdown slow down site operations.
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Address
Block A | Level 1
70th 7th Ave Rosebank
South Africa
Connect
T: +27 11 083 9121
E: info@anairsun.co.za
© 2026 Anairsun Pty Ltd.

