DEWA Energizes 400 kV Substation Expansion at Hassyan Clean Energy Complex
Dubai Electricity and Water Authority (DEWA) has energized a 400/132 kV gas-insulated substation expansion at the Hassyan Power Complex, adding 3 transformers rated at 500 MVA each for a total conversion capacity of 1500 MVA.
- Publish date: 2026-10-04
- Category: HVDC & Substations
- Original source: Dubai Electricity and Water Authority Media
- Reading time: 1 min
Heavy Power Transmission Integration
The 400 kV GIS substation incorporates 14 bays of sulfur hexafluoride switchgear connected to 28 km of underground extra-high-voltage cables.
3 main transformers rated at 500 MVA each step down transmission voltage to 132 kV to reinforce power delivery across southern Dubai.
Digital Substation Automation and Smart Grid Operations
The facility integrates advanced digital protection and automated SCADA systems to manage load dispatch with 99.99 % reliability.
This substation expansion increases DEWA total 400 kV transformation capacity to support peak summer demand and future projects.