Examine how disaster-induced infrastructure damage in neighbouring countries can be mitigated through regional energy-grid interconnectivity. Illustrate with the India-Nepal power trade example.

Regional grid interconnectivity lets neighbouring states pool generation across borders, so that a disaster crippling one country's plants is absorbed by imports rather than by prolonged blackouts. India's September 2026 emergency power supply to flood-hit Nepal illustrates this buffering role.

Why disasters hit energy infrastructure hard

• Concentration risk: Himalayan economies depend on run-of-river hydropower clustered in narrow river valleys; a single flash flood can disable several plants at once, as the Bhotekoshi floods damaged a dozen Nepali projects [1].
• Long restoration cycles: rebuilding barrages, penstocks and evacuation lines takes months, while demand from hospitals, water supply and industry is immediate.
• Climate amplification: glacial-lake outburst and extreme-rainfall events are rising, making single-country self-sufficiency an unreliable design.

How interconnectivity mitigates the damage

• Instant substitution of supply through pre-built lines, avoiding fresh construction during a crisis.
• Reversibility of flows: links built for one direction serve the opposite direction in emergencies — Nepal normally exports to India, yet the same corridors carried Indian power back [1][2].
• Institutional readiness: standing frameworks such as the Guidelines for Import/Export (Cross-Border) of Electricity, 2018 and the Designated Authority permit rapid, rule-based clearance [3].
• Cost efficiency: surplus capacity is shared instead of every country holding idle reserves.

The India–Nepal illustration

• India's Ministry of Power approved export of up to 654 MW to the Nepal Electricity Authority for 18 hours daily, 13 September–31 December 2026 [1].
• Power flowed over the Dhalkebar–Muzaffarpur 400 kV line (up to 600 MW) and the Tanakpur–Mahendranagar 132 kV line (up to 54 MW) [1][2].
• The Joint Working Group and Joint Steering Committee mechanism and the bilateral power-trade agreement provided the diplomatic scaffolding [2][4].
• Limitations remain: few high-capacity corridors, pending lines like Gorakhpur–Butwal, and approvals that are time-bound and reviewable rather than automatic [1][2].

Interconnection thus converts a neighbour's disaster from a national emergency into a shared, manageable load. Deepening it — completing pending corridors, adding standing disaster-response clauses to trade agreements, and scaling toward a BBIN and One Sun One World One Grid architecture — would make "Neighbourhood First" a dependable climate-resilience guarantee.