Understanding Fibre Internet: Everything you need to know

Month-end arrives, and the debit orders stack up like those Sunday morning pancakes you and your partner comfort eat to forget about them. Car Insurance, Medical Aid, school fees, streaming subscriptions. Your internet bill is in there too, and if you're still paying for a slow or unreliable connection, that's a line item worth having a serious look at. Fibre has become the standard for home internet in South Africa's major urban areas, prices have come down significantly, and the options have multiplied. Here's what you need to know before committing to or signing anything.

What is Fibre Internet?

Fibre internet, or Fibre optic internet, transmits data using pulses of light through ultra-thin glass or plastic cables. Unlike older copper-based connections like ADSL, which carried electrical signals that degraded over distance, Fibre doesn't lose signal quality the further it travels. The result is faster, more consistent speeds, whether you're downloading a file, video calling, or streaming in 4K while someone else in the house is playing games online.

As of early 2025, South Africa had approximately 50.8 million internet users, representing nearly 80% of the population. Residential Fibre networks now pass around 6.1 million homes nationally, with that number growing rapidly.

How does it work?

This is where most people get confused. There are two separate layers in South Africa's Fibre ecosystem:

• The FNO (Fibre Network Operator) owns and maintains the physical cables in the ground. Think of them as the road network. Some major players in South Africa are Openserve, Vumatel, Frogfoot and MetroFibre.

• The ISP (Internet Service Provider) buys access to that infrastructure and sells you a monthly package. 

As the consumer, you won't deal with the FNO directly. You’d sign up with an ISP, and the ISP arranges installation through the FNO that covers your address. Why this is helpful to know, is, let’s say an ISP that only operates on Vumatel's network, it is then no use to you if your street is serviced by Openserve.

What speeds can you expect?

Residential packages in South Africa typically range from 25 Mbps entry-level through to 1 Gbps at the top end, with uncapped data now the standard across most packages. Speeds are usually symmetrical, meaning your upload speed matches your download speed, which matters more than most people realise if you work from home and spend time on video calls.

A useful speed guide for households:

• 25-50 Mbps: Basic browsing, streaming, and working from home for 1-2 people

• 100 Mbps: Multi-device households, HD streaming on multiple screens simultaneously

• 200 Mbps+: Heavy users, gamers, households with 4+ people online at the same time

• 1 Gbps: Future-proofed, large households, or those running home offices with serious bandwidth demands

Does Fibre work during loadshedding?

Yes and no. The Fibre cable itself carries light, not electricity, so the network infrastructure is unaffected by power cuts. What does go down is your Optical Network Terminal (ONT). It’s the small box on your wall that terminates the Fibre connection and your router. Both require power to function.

The practical solution most South Africans use is a small UPS (Uninterruptible Power Supply) to keep the ONT and router running during outages. A decent unit will typically keep you connected for two to four hours, which covers most loadshedding slots.

What does it cost, and what are you actually paying for?

There are three costs to be aware of:

• Installation: Often waived on a 24-month contract, or charged as a once-off fee if you go month-to-month

• Monthly subscription: This is your ISP package fee, which covers your line speed and data

• Router: Usually provided by the ISP, sometimes included, sometimes rented at a small monthly addition

The competitive nature of the South African market has pushed prices down meaningfully. Increased competition between ISPs on the same FNO networks means you can often get the same physical line at notably different prices depending on which ISP you use. That's exactly the comparison worth looking at before you commit.

Month-to-month vs. fixed contracts

Many ISPs now offer month-to-month arrangements, which means you're not locked in the way you would be with a cellphone contract. The trade-off is that installation may not be free. Fixed 12 or 24-month contracts often include free installation and a locked-in rate, but always check the cancellation terms before signing. The Consumer Protection Act entitles you to cancel, though early exit fees may apply.

How to check if Fibre is available at your address

Coverage depends entirely on which FNO has laid cable in your street. The fastest way to check is to use Hippo's Fibre comparison tool, which identifies what's available at your specific address and shows you ISP packages side by side. You enter your address once and get real-time results without having to contact multiple providers individually.

If Fibre isn't yet available where you live, a month-to-month LTE or 5G wireless package is a practical interim option while you wait for rollout.

What to look for when comparing ISPs

Price matters, but it's not the only thing worth comparing. A few other factors that affect your actual experience:

• Contention ratio: How many customers share the bandwidth you're paying for. A lower ratio means more consistent speeds during peak hours (roughly 6pm to 10pm). ISPs aren't required to publish this, so checking what other customers are saying on independent review platforms is worth the time.

• Support hours: Is someone available when your connection drops at 9pm?

• Contract flexibility: Can you upgrade your speed mid-contract without penalties?

• Router quality: A poor router undermines even the best line. Check what's included.

Get started now with How to use Hippo’s Fibre comparison tool

In summary

Fibre is no longer a premium product for a narrow slice of South Africans. With around 6.1 million homes now passed by Fibre infrastructure, competitive ISP pricing, and uncapped packages at most speed tiers, it's become the default for anyone in an area with Fibre “coverage”.

Find the best Fibre deals at your address here

This article is for informational purposes only and does not constitute financial, legal, medical or insurance advice. Hippo is a comparison site helping you evaluate quotes from trusted South African insurers. Always review policy details before making changes. Quotes are risk profile dependent and subject to annual review. No fees are charged for using Hippo’s comparison service. HAS (Pty) Ltd and HCS (Pty) Ltd are authorised FSPs. Terms and conditions apply.