How does the current energy crisis impact fibre internet in South Africa?

The current energy crisis in South Africa is impacting fiber internet primarily through power outages that affect the equipment needed to operate the network. These outages can lead to internet downtime, especially when they exceed the duration that backup batteries can cover. Additionally, the uncertainty caused by the energy crisis may slow investments in upgrading or expanding fiber networks.

The Energy Crisis: South Africa is facing a significant energy crisis, primarily due to electricity supply shortages. This has led to regular load shedding schedules, where electricity is intentionally cut off to avoid overloading the power grid.

Impact on Fiber Internet:

  1. Power Outages: The most direct impact of the energy crisis on fiber internet is through power outages. Fiber optic cables themselves do not need electricity to transmit data, but the networking equipment and amplifiers that boost the signal strength do.
  2. Battery Backups: Most fiber infrastructure is equipped with battery backups. However, these are typically only effective for short-duration outages. Prolonged or frequent power cuts can exceed the battery capacity, leading to internet downtime.
  3. Maintenance Challenges: The energy crisis has also led to increased maintenance challenges. Power fluctuations and outages can damage sensitive equipment, leading to more frequent failures and longer downtimes.
  4. Investment Delays: Uncertainty in power supply can deter investment in infrastructure upgrades or expansions. This might slow down the deployment of fiber internet to new areas or the upgrade of existing networks.

Mitigation Strategies:

  • Alternative Energy Sources: Some service providers are investing in alternative energy sources like solar power to run their equipment independently of the grid.
  • Improved Battery Solutions: Companies are also looking into more robust battery backup solutions to extend the uptime of their services during outages.
  • Infrastructure Hardening: Upgrading equipment to handle power variations better and prevent damage from frequent outages.


The ongoing energy crisis in South Africa poses a significant threat to the reliability of fiber internet services. While the fiber cables are unaffected by the lack of electricity, the supporting equipment is vulnerable, affecting service delivery. Service providers are actively seeking solutions to mitigate these challenges, ensuring stable and reliable internet access amidst power uncertainties

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Economy