Electric-grid news and engineering analysis
Latest grid developments
Storm Boelo Disrupts Northern Scotland’s Electricity Supply as Restoration Crews Mobilize
SSEN reported just over 47,000 customers awaiting restoration in northern Scotland at 3 p.m. British local time on October 25. Crews, vegetation teams and control-room switching staff are responding to Storm Boelo.
India Awards Major 765-kV Transmission Contracts to Support 8.5 GW of Renewable Energy from Gujarat
KEC International has announced ₹2,872 crore in 765-kV transmission contracts from PGCIL, associated with an 8.5-GW renewable-energy evacuation programme in Gujarat.
Typhoon Champi: Taipower Reports Yilan Residential Supply Restored
Taipower reports that affected residential customers in Yilan were restored by 4 p.m. local time on October 25 after Typhoon Champi. The milestone does not describe island-wide restoration.
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Ukrenergo Receives Credit-Rating Upgrade Following Debt Restructuring
Fitch’s original action confirms an upgrade of Ukrenergo from RD to CCC after restructuring. Financing risk and physical electricity-network restoration remain separate issues.
Read article →: Ukrenergo Receives Credit-Rating Upgrade Following Debt RestructuringQuick brief
Fitch’s original action confirms an upgrade of Ukrenergo from RD to CCC after restructuring. Financing risk and physical electricity-network restoration remain separate issues.
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Ukraine Maintains Scheduled Electricity Restrictions Following Damage to Energy Infrastructure
Ukrenergo’s October 24 notice schedules consumption restrictions in parts of Ukraine for October 25. The stated windows are not continuous outage durations for every…
Read article →: Ukraine Maintains Scheduled Electricity Restrictions Following Damage to Energy InfrastructureQuick brief
Ukrenergo’s October 24 notice schedules consumption restrictions in parts of Ukraine for October 25. The stated windows are not continuous outage durations for every customer.
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Oman Advances 400-kV Transmission Expansion with New Construction Contract
KEC International has announced a 400-kV transmission-line order in Oman within a ₹1,006-crore package spanning several businesses and markets. The Oman order’s individual value…
Read article →: Oman Advances 400-kV Transmission Expansion with New Construction ContractQuick brief
KEC International has announced a 400-kV transmission-line order in Oman within a ₹1,006-crore package spanning several businesses and markets. The Oman order’s individual value is undisclosed.
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Data Centers, Distributed Generation, Electricity Demand, Fuel Cells, Grid Connections, United StatesData Centers Turn to Fuel Cells as Grid Connection Delays Drive Interest in On-Site Generation
Data-center developers are considering on-site fuel cells as connection schedules constrain expansion. Existing research and company agreements indicate interest, while fuel supply, protection, operating…
Read article →: Data Centers Turn to Fuel Cells as Grid Connection Delays Drive Interest in On-Site GenerationQuick brief
Data-center developers are considering on-site fuel cells as connection schedules constrain expansion. Existing research and company agreements indicate interest, while fuel supply, protection, operating controls and delivery readiness still determine practical deployment.
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Brazil Centralizes Remote Operation of 11.2 GW of Hydropower Across Seven Plants
AXIA Energia says seven hydroelectric plants totaling 11.2 GW are now operated from Tucuruí. The consolidation highlights communications, command authorization and operational resilience requirements…
Read article →: Brazil Centralizes Remote Operation of 11.2 GW of Hydropower Across Seven PlantsQuick brief
AXIA Energia says seven hydroelectric plants totaling 11.2 GW are now operated from Tucuruí. The consolidation highlights communications, command authorization and operational resilience requirements across geographically separated generating stations.
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Australia’s Batteries Overtake Gas During Evening Peaks, Marking a Shift in Grid Operations
Batteries supplied 8.0% of evening electricity in Australia’s National Electricity Market during Q3 2026, exceeding gas generation’s 5.1% share. AEMO’s data show growing energy…
Read article →: Australia’s Batteries Overtake Gas During Evening Peaks, Marking a Shift in Grid OperationsQuick brief
Batteries supplied 8.0% of evening electricity in Australia’s National Electricity Market during Q3 2026, exceeding gas generation’s 5.1% share. AEMO’s data show growing energy shifting while leaving wider reliability questions open.
Engineering analysis
Spain’s 2025 Blackout: How a Voltage Crisis Brought Down the Iberian Grid
On April 28, 2025, the electricity systems of mainland Spain and Portugal collapsed in a rapid cascade. Drawing on the ENTSO-E investigation, this engineering analysis examines the voltage-control failures, oscillations, generation disconnections and operational challenges behind one of Europe’s most consequential blackouts.
How Hackers Crossed a Private Network to Disrupt a Polish Power Plant
A Polish cyberattack investigation reveals how attackers crossed a private cellular network to reach a power plant’s industrial controls. The incident raises serious questions about cybersecurity and the resilience of increasingly connected electricity infrastructure.
Transmission, voltage and grid-forming controls
Inside the Global HVDC Expansion Boom
Examines the expanding role of HVDC transmission as grids move larger quantities of electricity across long distances and connect increasingly diverse generation resources and power systems.
STATCOMs, SVCs, and the New Age of Voltage Control
Explores why STATCOMs, SVCs, and other dynamic reactive-power technologies are becoming increasingly important for voltage control and system strength as the generation mix changes.
Grid-Forming Inverters: Rebuilding the Functions Once Provided by Synchronous Machines
Examines how grid-forming inverter controls can establish voltage and frequency references, support weak grids, and provide capabilities traditionally associated with synchronous generation.
Investigative series
Anatomy of the Iberian Blackout
Part 1 — Spain’s 2025 Blackout: How a Voltage Crisis Brought Down the Iberian Grid
Part 2 — The Grid Before the Blackout: Generation, Topology and Voltage Control
Part 3 — The Final 90 Seconds: How the Iberian Grid Collapsed
Part 4 — Inside the Control Room: Operator Decisions Before and During the Collapse
Parts 5–6 coming soon.
THE SERIES
The Power Electronics Supercycle
Complete series · All 9 parts published · Read the finale →
THE SERIES
The Invisible Battle Inside the Grid
Parts 1–3 of 7 published · Part 4 forthcoming
Part 1 — The Return of Oscillations