Page 3 - Energize May 2022
P. 3

FROM THE EDITOR:



                                  What can we do about load


        by Roger Lilley, Now Media shedding?






             he confrontation which erupted recently between   postponing or neglecting scheduled maintenance of generating
             Busisiwe Mavuso, an Eskom board member and head of   units and ancillary equipment at most of Eskom’s power stations.
        TBusiness Leadership SA (BLSA), and Mkuleko Hlengwa,   Now, where maintenance had been neglected, more work will be
        the chairperson of Parliament’s Standing Committee on Public   needed to improve reliability, meaning more time offline and more
        Accounts (SCOPA) shows how defensive both sides are regarding   money needed per unit.
        load shedding.                                            Medupi and Kusile’s costs have increased from a budget of
           SCOPA blamed Eskom’s CEO André de Ruyter and the Eskom   about R162-billion to over R450-billion. These cost overruns,
        board for the utility’s problems; Mavuso said the government was   together with non-paying municipalities and direct customers,
        to blame for “the mess” that Eskom is in.              have robbed the power utility of the cash it needs to fund the full
           During recent media briefings, de Ruyter reiterated the problem   maintenance schedule of older existing power stations. Recently,
        of ageing power generating units which keep breaking down. The   de Ruyter admitted that money for spare parts was scarce.
        average age of Eskom’s generating plant is 42 years, he said, with   To overcome these shortages, Eskom had requested – and
        the oldest being well over 50. Spares for such old equipment are   received – tens of billions of rand in “bailouts” from Treasury.
        hard to find, have to be custom made, and are expensive.  At the same time, it had requested – but was always denied –
           In 1998, electricity experts advised Government to build a   excessive tariff increases from the national energy regulator.
        set of new power stations to support the anticipated growth in   Nonetheless, the increases it was given exceeded the official
        demand for electricity and give Eskom the opportunity to close old,   inflation rate, making electricity an expensive commodity.
        inefficient and unreliable power stations. Government ministers   In January 2020, the minister of Public Enterprises said
        were apparently told that failure to do so “soon” would result in   electricity was four times more expensive than in 2010. The
        electricity shortages from 2007.                       reason? Cost overruns at Medupi and Kusile.
           However, it took Government almost ten years to authorise   Many would say that Government should accept the blame.
        Eskom to begin a new build programme. That programme resulted   They say that the ten-year delay in authorising the new build
        in the construction of the Medupi and Kusile coal-fired power   programme, and the years of political interference which included
        stations, and the Ingula pumped-water storage peaking plant,   the appointment of unsuitable people in key positions at Eskom,
        which should have increased Eskom’s generating capacity by over   have resulted in the utility being in the state it’s in. Eskom has had
        10 000 MW.                                             ten CEOs in as many years. Another change is unlikely to solve the
           Construction of the Medupi and Kusile power stations should   utility’s problems.
        have been completed by 2015, but neither are yet complete.   Government would argue that it supported Eskom by
           In August 2021, when Eskom announced that Medupi had been   supplying the bailouts requested, and that it initiated the REIPPP
        completed, Bheki Nxumalo, Eskom’s group executive for its group   programme to get more power online. But is that enough?
        capital division, quickly added that there was still work outstanding   Shouldn’t Government become more involved in addressing
        and it would be another 2 years before Medupi would provide full   the ongoing problem of non-payment? Especially non-payment
        power to the grid. The expected completion date of Kusile is now   by municipalities, government entities and departments. Also,
        2023 or later.                                         perhaps Government should allow Eskom some latitude in terms
           That’s not to say these power stations don’t supply power   of its purchasing agreements – buying spare parts directly from
        to the grid. They do. Some of the units at both sites have been   OEMs, rather than through local agents which add little or no value
        completed and supply power. But few supply the full 800 MW they   but increase costs substantially.
        were meant to supply, leaving Eskom with a serious shortfall in   Although it may seem natural to find someone to blame, this
        capacity. This shortfall is exacerbated when these units and those   is not the time for pointing fingers or assigning blame. Rather,
        at older, more unreliable power stations trip or fail.  Eskom, Government and the private sector need to work together
           So, since 2007, load shedding has become common place.   to reduce the frequency and depth of load shedding. The country
        Although there was a period of respite between 2009 and 2013, it   needs additional generation and a well-designed energy-saving
        was subsequently shown that that had been achieved by delaying,   programme to help it overcome the need for load shedding.



                                                     energize | May 2022 | 1
   1   2   3   4   5   6   7   8