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De Ruyter calls for upscaling of power procurement plans as he questions whether coal IPP will proceed

Eskom CEO Andre de Ruyter

Eskom CEO Andre de Ruyter

Photo by Creamer Media's Donna Slater

24th November 2020

By: Terence Creamer

Creamer Media Editor

     

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Eskom CEO Andre de Ruyter has again called on government to open the way for the procurement of more new electricity capacity in addition to the 11 800 MW outlined in a recently gazetted Ministerial determination, cautioning that the 1 500 MW of new coal included in the determination is unlikely to be built in the timeframes outlined, if at all.

Speaking to broadcaster Bruce Whitfield as part of a PSG-organised webinar, De Ruyter said that, even if the capital could be raised for new coal, the projects would struggle to secure environmental approvals and the commissioning schedule envisaged in the Integrated Resource Plan of 2019 (IRP2019).

The IRP2019 has allocated 750 MW of new coal for introduction into the South African system in 2023 and another 750 MW for 2027.

It emerged earlier this month that a Marubeni-led consortium has requested to withdraw from an initial plan to build the 630-MW Thabametsi coal station in the Limpopo province, which was named in 2014 as a preferred independent power producer (IPP) bidder following government’s Coal Baseload Independent Power Producer Procurement Programme.

De Ruyter said the Ministerial determination should be welcomed, as the new capacity would be needed regardless of whether Eskom was able to improve the reliability of its coal fleet through its so-called ‘reliability maintenance’ programme.

“But it includes about 1 500 MW of new coal. Now, even if you could get the money, or go and borrow the money in order to build a new coal plant – and that’s going to take you the better part of a decade – you then have to comply with environmental emissions. So, this is going to be a very tough ask to build 1 500 MW of additional new coal.”

He added that variable renewable energy could be financed and built, but said that more wind and solar capacity would be required than allowed for in the current determination, given the lower capacity factors of these generators relative to the coal plants that they would be replacing as a result of decommissioning.

Eskom, he said, would decommission between 8 000 MW and 12 000 MW of coal capacity over the coming ten years.

“So, we are saying that this [the determination] is a fantastic first move, but give us more capacity because the country needs it.”

‘EQUITY IN KIND’

De Ruyter indicated that Eskom would be keen to develop renewables or gas capacity of its own, but that its debt-laden balance sheet meant that it was not in a position to do so.

However, there was an opportunity to offer “equity in kind” as part of the repowering and repurposing of the first three coal plants that were scheduled for decommissioning – Grootvlei, Komati and Hendrina.

“We would love to participate in the creation of new capacity. There are some opportunities for us to participate by means of repurposing old coal-fired power stations that we can convert to natural gas, or where we can put in wind or solar and where we can contribute the infrastructure that exists at those old power stations as ‘equity in kind’ to a public-private partnership.”

He stressed, however, the bulk of the new capacity would have to be developed by IPPs and Eskom’s thinking had evolved to encourage such capacity rather than resisting it, as was done under what he termed Eskom’s “old style” of thinking.

“We can’t sit here and, in the national interest, make that statement [of continuing to resist], because we know that there is a train smash happening right now and we’ve got to prevent that, and we’ve got to put measures in place to enable the country to procure additional generation capacity.”

NEW NUCLEAR?

De Ruyter was more dubious, however, about the prospects of new nuclear playing any role in closing the prevailing supply/demand gap, although he said Eskom was strongly in favour of extending the life of the existing Koeberg nuclear plant by a further 20 years, describing it as a “great asset”.

“If you start to look at the capital cost of building new nuclear and you look at the time associated with that, it will take you 12 to 15 years to bring new nuclear online and it will probably cost you about R1.80/kWh.

“So, when you compare that to new wind, at about 70c/kWh, and you look at solar photovoltaic electricity, which is about 60c/kWh, and the fact that you can bring wind and solar online in about 18 to 24 months, the decision kind of makes itself, even if you ignore any environmental considerations.”

He was far more keen on pursuing large-scale storage, which would allow South Africa to capture its low-cost wind and solar electricity when it was available and release it when the economy required it.

“We need to invest significantly in storage capacity and that’s going to be part of the programme going forward. Even if you add on the cost of storage, the renewable energy is still going to be more cost-competitive, both from an initial capital outlay as well as from an operating expenditure perspective.”

That said, Eskom would continue to push for higher tariffs, with De Ruyter suggesting that a cost-reflective charge would be about R1.30/kWh as opposed to R1.06/kWh Eskom charges currently.

Edited by Creamer Media Reporter

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