But for people who prefer the human touch, graphs, data and more at unofficialeskom.com - feel free to contact me with any questions or requests

You don't actually need me anymore because Claude is great at this stuff, here's its analysis about Eskom's recent statement that everything is rosy

www.eskom.co.za/eskom-mainta...

small increase in ILS but still at historical low levels which is probably good for someone's business somewhere

also a sudden drop in exports but not sure if that's primarily driven by a lack of capacity on our side or a lack of demand from neighbours?

big increase in 'max' usage of emergency diesel generators but average is still low so we must have had a some short-lived crises this month that weren't publicized

Or maybe this is still part of the weird phenomenon where Eskom 'has to' burn diesel as it was pre-contracted.

Thermal is still pretty low, we'll have to see if they ramp it up as it gets colder, or if this is a new average

A little late this month as I was offline-ish for Easter weekend. Things are looking quite a bit worse than last month overall.

- EAF at 66, worst since October
- Increase is mainly in planned outages rather than unplanned, but still missing EAF target of 70%

Otherwise not the most interesting month. Demand and generation continue with the pattern of a big year-on-year reduction. Still to be seen how much autumn/winter changes that.

See this data and more on my site unofficialeskom.com and feel free to shout with any questions or requests.

I always get them mixed up so here's what they mean(?)

ChatGPT battles with the distinction too but I think broadly ILS is for big customers (smelters?) who Eskom can call and ask them to reduce and IOS is more broad and includes transmission faults etc too.

More interesting, IOS and ILS are both at nearly zero for the first time since like 2018?

More use of the emergency generators too but it seems this was because Eskom is under 'use it or lose it' contracts so they choose to burn private diesel at higher cost rather than cheaper coal as they would have to pay for the diesel whether or not they used it. Weird world.

Eskom Data - February 2026

Small reversal in the headline metrics - unplanned losses up a bit, EAF down a bit to below 70% again, but nothing too concerning here

Otherwise not much to say. Things look OK for now. Yay for getting back into the green zone on my dial for the first time since I added it.

This data and more at my site unofficialeskom.com - feel free to tag me with any questions.

also nice to see Koeberg performing at near full capacity for the last 3 months. A small dip in jan from a brief outage but seems to have been quickly resolved.

Hopefully they figure out the long-term plan for the waste in one of the coming decades..

demand and generation still at very record lows though, so we're still playing on easy mode in terms of high availability factor and low backup generator use. I'm interested to see what happens in July when the private solar drops off.

Lowest use of emergency diesel on record? I have one lower value in Nov 2020 but I think that's a data glitch. Last month we never generated more than 411MW with the OCGTs.

Eskom data - January 2026

We skipped December as Eskom stopped publishing data in November and didn't fix it for several weeks.

Starting with a highlight: best EAF in January since June 2020!

All data from my site unofficialeskom.com - feel free to lmk any questions or feedback

still playing on easy mode because there's no demand, so let's see how that changes when the sun goes away and private solar turns off.

wait there are three

> ILS – Interruptible Load Shed. This is consumer load(s) that can be contractually interrupted without notice or reduced by remote control or on instruction from
Eskom National Control. Individual contracts place limitations on usage.

so super clear? Anyway, nice that they're low.

> IOS – Interruption of Supply: all contracted as well as mandatory demand reduction resources utilised by Eskom National Control. Includes IOS due to Transmission network faults.

> MLR – Manual Load Reduction. An estimation of demand that has been reduced due to load shedding and/or curtailment.

Interruption of Supply and Manual Load Reduction looking good. I always forget exactly what these are an how they relate with each other

Thermal is dropping, but that's a usual trend for this time of year. Hopefully it starts increasing from Jan->July again if we can keep squeezing the coal plants.

Koeberg second unit is back, so we have 900MW of extra baseload to play with which is nice (and maybe related to not needing the OCGTs?)

New installed renewable record of 7.5GW - looks like all those announced installations are slowly coming online. I'm not sure exactly when they count as 'installed' from.

Eskom data - November 2025

End of Diesel? According to the data, we never generated more than 350MW with the OCGT backup generators, which is the lowest I have on record except for nov 2020 which might also be a glitch.

As always, more graphs on my site unofficialeskom.com and feel free to ask me any questions and I'll try answer.

Radioactive waste storage at Koeberg very close to full Storage of such waste is a major environmental concern in the region, as SA looks to extend Koeberg’s life for another two decades

I learned that we store all high-level waste on the Koeberg site itself, and that it's full, so we're buying expensive 'dry storage casks' from the US in order to store more, also on-site, but those are also full now?

www.businessday.co.za/bd/national/...

Maybe we'll build something by 2030

not visible in the monthly graphs yet, but the other Koeberg unit is busy powering up again. AFAIK this is the end of the cycling/swopping of the two units for refurbishment and refuelling, so we should have both running simultaneously for the first time in years.

The big drop in supply and demand from last month was not a one-off.