• ISA reported cumulative water savings of 24,208 cubic meters since 2018 from 28 “Green Substations” in Colombia.
• Global water consumption fell 17.5% over four years despite 20% operational growth across the region.
• Reuse of dismantled transmission towers cut new steel needs to 30 tons in 2025 from 91 tons in 2024.
• ISA said the tower-refurbishment program delivered a 73% reduction in manufacturing costs versus the prior year.
• Sogamoso substation reached 100% energy self-sufficiency, backed by a COP 723 million investment with COP 1.31 billion in benefits.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. ISA - Interconnection Electric SA ESP published the original content used to generate this news brief on October 02, 2026, and is solely responsible for the information contained therein.