Briefs for large power users.
Short, sourced pieces on the tariffs, grid access, supply risks and market changes that decide what energy-intensive operations in Southern Africa pay for power, and how secure that supply is.
Market analysis.
Analysis from Oshili Power on the supply, pricing, and regulatory questions facing energy-intensive buyers across South Africa and the SAPP region. Pieces publish as they clear review.
Markets and grid.
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A 20MW hydro unit is back on the Malawian grid, with 7.4MW more targeted by month end.
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Eskom reports spare capacity above demand, and a 2027 date for ending load reduction.
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Uganda's regulator opens the 2027 electricity tariff review.
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Eskom puts a number on the capacity sitting above demand, and on how little diesel it is burning.
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Diesel for standby generation falls in price, but a levy cut is doing the work.
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Isiolo and Meru gain a second transmission route as the Nanyuki line is energised.
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Eskom's weekly update puts available capacity 7 235MW above demand.
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Zambia's regulator sets November fuel prices and publishes the workings behind them.
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Kinshasa's load shedding programme has been readjusted as injected power falls.
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A gas-to-power window ends with nothing awarded.
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A 400kV line from Karuma to Tororo reaches construction start, and eastern Uganda's industrial load gains a route.
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Kenya's coast gateway substation moves to 400kV, and coastal diesel running falls to 35MW.
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A second 400kV route into Kenya's lower east is now carrying power.
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Kenya commissions the Isinya to Namanga line, and most of it was already carrying power.
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A mine-backed solar park reaches commercial operation, and its tariff has already cleared the regulator.
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A nuclear unit tripped off the grid, and the margin absorbed it.
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Zambia's regulator sets out how a net metering price will be decided.
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The transmission company's licences are published, and access questions get a new counterparty.
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Lesotho's regulator opens the study that will shape the next electricity tariff.
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Six new regional market products go out for comment, and one of them is the resale of firm transmission capacity.
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The buyer behind South Africa's independent power contracts changes hands.
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Angola signs its interconnector contracts with the DRC, and a second import route starts to take shape.
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A signed grant puts committed money behind Kapichira's turbines.
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A commissioned 132kV line shortens the distribution path into Migori.
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The Zambian interconnector gains voltage support, and Katangan mines gain a question about firm import capacity.
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Uganda's installer permits now run to three years, and the class on them bounds the work.
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Eskom reports its best availability in six years and a diesel bill down four fifths.
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Kenya's hydro cascade sits above full supply level, and thermal dispatch has room to fall.
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Kenya's hydro cascade ran above its own projection, and the dearer plant waited.
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A fourth industrial buyer signs for 18 MW of geothermal power at Olkaria.
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South Africa's wholesale market now has a licensed operator, and traders have a named counterparty.
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The transmission company signs substation construction contracts, and waiting generators gain a builder.
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Storage and gas go first, and wind and solar wait for a second determination.
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South Africa's grid gains an independent operator, and generators gain a new counterparty.
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South Africa's transmission business begins operating as a separately licensed company.
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Malawi's state generator brings the first 10 megawatts of Salima solar into operation.
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Olkaria's industrial park becomes a customs zone, and its tax reliefs switch on.
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Burundi switches on 17 megawatts at Mulembwe, and the question moves to connections.
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Zambia's regulator has set October fuel prices, and published the workings behind them.
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Burundi's 30 kV reinforcement has a contractor, and generators a clearer picture of the constraint.
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Lesotho opens its cost of supply numbers before it touches tariffs.
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The transmission company starts trading in its own name.
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Zambia's draft inverter standard puts a capacity line around embedded generation.
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Zambia's September fuel cost is set, and the regulator has published its workings.
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Zimbabwe prices third party use of its grid, and dates the rules that would govern it.
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Congo's electricity regulator issues about forty titles in one morning and counts a 2,684.8 MW pipeline.
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Malawi's state generator says it is restoring its own diesel peakers, not hiring any.
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Eskom's diesel bill falls by four fifths, and the scarcity window narrows with it.
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Eskom's diesel fleet has gone quiet, and peak availability is worth less.
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The grid company says claiming for curtailed output is now simpler.
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Malawi's generator puts dates on the megawatts it cannot deliver.
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Uganda's first privately financed transmission project reaches construction start.
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Mozambique rewrites its concession rules, and generators read a new text.
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Uganda's quarterly tariff reset holds the lifeline rate while oil and the shilling push the rest up.
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A fish feed plant becomes the fifth industrial buyer at Kenya's geothermal park.
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Kenya's largest generator posts higher revenue as national peak demand sets a record.
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Mozambique's utility names 46 towers as its highest climate risk.
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Zambia's regulator has published the test a power purchase agreement must pass.
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Angola begins building a 220 kV ring between Benguela and Huambo.
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A market operator licence is sought for South Africa's wholesale electricity market.
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SNEL's restructuring settles on one company, and offtakers on one counterparty.
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Diesel cover at Pemba runs to six days, and the metical holds its rate.
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Two solar mini-grid concessions in Gaza are open to objection for thirty days.
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Mabil II takes grid supply, and Mozambique's household access rate sits at 55.6 per cent.
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Zambia publishes its July fuel prices, and a generator's diesel cost is fixed for the month.
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Zambia's June fuel prices are set, and the build-up shows which line moved.
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The grid has held for 504 days, and the diesel that once covered the gap has nearly gone.
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Mungari joins the Mozambican grid, and Manica's connected-post count moves to five.
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Malawi's hydropower fleet gives up a seven-hour window each weekend until June.
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Congo's regulator settles on a tariff method, and connection rules move into draft.
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Eskom's diesel correction puts FY2026 peaking at R7.1 billion and a 3% load factor.
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Eskom's winter numbers put spare capacity, not scarcity, in front of generators.
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The company that will run the traded market now reports on it in its own name.
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The Congolese regulator has a tariff method and a grid code, and connection rules are now written down.
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Rooftop solar registration stays compulsory, and Eskom's charge for it stays waived.
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Eskom puts its own figure on the Kusile and Medupi build, and on a diesel bill that keeps falling.
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A year of DRC electricity regulation is now on the public record in a single file.
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A repaired hydro unit puts 16 megawatts back into Malawi's grid.
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Angola holds household tariffs and moves the medium and high voltage price path.
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Curtailment claims processing returns to normal levels at the transmission company.
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Curtailment verification gets revised administration, and every curtailed generator's claim runs through it.
Advisories.
Short pieces on published advisories affecting the control equipment, protocols, and software that industrial sites and grid connections depend on. Each brief works from the primary source and links to it.
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The list of software flaws under active attack now reaches the engineering desk.
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A driver that ships with industrial adapters can crash the Windows machine it runs on.
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An industrial gateway was handing out the keys to its own traffic.
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Industrial network switches can be taken over without a password.
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A server login can alter grid control room data without the control system's own password.
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A substation unit is patched, though sites on older firmware must upgrade or wait.
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A read-only login is enough to write files on a network management host.
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Six agencies map a ransomware group that wipes the backups before asking for money.
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A low-level login can end up running code on the control room's server.
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Six defects in a shared industrial data component, and the oldest installations get no patch of their own.
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A defect in shared networking code can knock small control devices offline, and only your supplier can fix it.
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A retired controller platform will not be patched, so the only fix is a migration.
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A remote request can pull keys and passwords out of two Siemens plant systems.
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A tampered backup file can take over the monitor watching a plant room.
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A common security camera hands over its live video, and its maker is not answering.
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Saved files from a pipeline monitoring system can give up their users' passwords.
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A power monitor's fix ships as two files, and the units in the field accept only one.
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Eight flaws in a common IEC 61850 library end in the same crash.
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A crafted telecontrol frame can crash devices running lib60870 2.4.0.
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An unauthenticated debug service gives root on two Toptech controllers.