# SEWA Completes 220 kV Substation Upgrade at Al Layyah Power Station > Sharjah Electricity, Water and Gas Authority (SEWA) has completed the commissioning of its 220/33 kV Al Layyah transmission substation, installing 3 power transformers rated at 150 MVA each to evacuate power from a 1026 MW combined-cycle plant. - **Source date:** 2026-10-03 - **Original source:** [Sharjah Electricity and Water News](https://www.sewa.gov.ae/en/media-centre/news/al-layyah-220kv-substation-completion-october-2026) - **Reading time:** 1 min - **Language:** en - **URL:** https://voltformer.com/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026 - **Markdown:** https://voltformer.com/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026.md ## High-Voltage Transmission Modernization The upgraded 220 kV gas-insulated substation replaces older air-insulated equipment, reducing footprint by 65 % and boosting fire safety. 3 power transformers rated at 150 MVA each step down generated power from 220 kV to 33 kV for distribution across Sharjah city. ## Grid Interconnection and Efficiency Gains The substation connects the 1026 MW high-efficiency Al Layyah power plant to the UAE federal electricity transmission network. State-of-the-art telemetry and automated busbar protection isolate transient line disturbances in less than 25 ms. ## Other languages - [en](https://voltformer.com/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026) - [tr](https://voltformer.com/tr/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026) - [de](https://voltformer.com/de/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026) - [ru](https://voltformer.com/ru/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026) - [es](https://voltformer.com/es/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026) - [ar](https://voltformer.com/ar/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026) - [it](https://voltformer.com/it/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026) - [pt](https://voltformer.com/pt/news/sewa-completes-220kv-al-layyah-substation-upgrade-october-2026) [Company and energy news](https://voltformer.com/news.md) ยท [Voltformer catalog](https://voltformer.com/catalog)