Power Grids & Transmission
TSOs, DSOs, HVDC interconnectors, substations, smart grid, blackouts and frequency regulation.
77 articlesArticles
Frequency control ancillary services
Overview of frequency control ancillary services, including FCR, FRR, inertia, and reactive power management in modern power grids.
EuroAsia Interconnector: HVDC Link Between Israel, Cyprus, and Greece
Planned 2000 MW HVDC submarine cable connecting Israel, Cyprus, and Greece to end energy isolation.
ElecLink: UK-France HVDC Interconnector via the Channel Tunnel
ElecLink is a 1,000 MW HVDC interconnector between the UK and France, operating through the Channel Tunnel since 2022.
NordLink: Norway-Germany HVDC Interconnector
NordLink is a 1400 MW HVDC power cable between Norway and Germany, operational since 2021.
North Sea Link: Norway-UK HVDC Interconnector
The North Sea Link is a 1,400 MW HVDC submarine cable connecting Norway and the UK, operational since 2021.
IFA2 interconnector: UK-France HVDC link
The IFA2 interconnector is an HVDC submarine cable linking the UK and France, operated by RTE and National Grid plc.
Western Interconnection: North America's Synchronous Power Grid
Overview of the Western Interconnection, the major 60 Hz AC power grid spanning western North America, its capacity, and interties.
Western HVDC Link: UK's 2,250 MW Subsea Interconnector
The Western HVDC Link is a 2,250 MW subsea HVDC cable connecting Scotland and Wales, operational since 2019.
Viking Link: UK-Denmark HVDC Interconnector
The Viking Link is a 1400 MW HVDC submarine cable connecting the UK and Denmark, operational since 2023.
Pacific DC Intertie: HVDC Transmission from the Pacific Northwest to Los Angeles
The Pacific DC Intertie is a 3.1 GW HVDC line transmitting power between Oregon and California, critical for Western US grid stability.
Eastern Interconnection: North America's primary AC power grid
Overview of the Eastern Interconnection, the major synchronous AC grid in North America operating at 60 Hz.
Fast frequency regulation
Overview of fast frequency regulation in power grids, covering RoCoF, PV systems, and energy storage strategies.
Power plants in Estonia
Overview of Estonia's power generation mix, focusing on the dominance of oil shale, the role of the Narva plants, and the transition toward...
Power plants in the Netherlands
Overview of the Netherlands' power generation mix, including gas, wind, solar, and nuclear capacity as of 2026.
Reactive power calculator
Tools and methods for calculating reactive power (VARs), power factor correction, and capacitor sizing in AC power systems.
Flywheel frequency regulation
How flywheel energy storage systems provide rapid frequency regulation for power grids, including technology, applications, and performance...
Substation transformer temperature monitor
Technical overview of transformer temperature monitoring systems, including sensors, OTDT, and digital oil thermometers for grid assets.