https://www.mainpower.co.nz/major-projects/cheviot-to-oaro-sub-transmission-line-upgrade/
Cheviot to Oaro Sub-Transmission Line Upgrade - Complete | MainPower NZ
Jun 17, 2026 - Read more about our major project Cheviot to Oaro Sub-Transmission Line Upgrade - Complete and our work to maintain, upgrade and create a strong, reliable...
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https://www.bacolodlifestyle.com/negros-power-upgrading-critical-sub-transmission-lines/
Negros Power's Major Maintenance: Upgrading Critical Sub-Transmission Lines for Reliable Power -...
Dec 10, 2024 - Negros Power enhances stability by upgrading critical sub-transmission lines, significantly reducing outages and improving power reliability in Bacolod-Silay...
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