Understanding the Water-Energy-Food Nexus

The Water-Energy-Food (WEF) Nexus refers to the deeply interconnected nature of water, energy, and food systems, where changes in one sector directly affect the others.

Key Statistics

  • Agriculture accounts for 85% of freshwater usage in India, predominantly extracted from groundwater
  • Agricultural pumping consumes nearly 20% of India's total electricity
  • India spends over Rs 1.5 lakh crore annually on electricity subsidies
  • 85-90% of crude oil is imported, making agriculture vulnerable to oil shocks
  • Current agricultural water systems can sustainably feed only one-third of the global population by 2050

Current Challenges

Severe Groundwater Depletion

  • According to Dynamic Ground Water Resource Assessment Report 2025 (CGWB), several states in Northwest and South India are categorised as highly over-exploited
  • Punjab–Haryana model of cultivating paddy in semi-arid regions is hydrologically unsustainable
  • Groundwater levels declining by over 1 metre annually

Distorted Cropping Patterns

  • MSP and open-ended procurement heavily favor rice and wheat
  • Discourages crop diversification towards drought-resistant crops like pulses, oilseeds, and millets
  • Creates ecological imbalance by promoting water-intensive crops in water-scarce regions

Financial Burden on DISCOMs

  • Subsidised/free power to agriculture strains Power Distribution Companies
  • Creates cycle of debt and poor infrastructure maintenance
  • PM-KUSUM intended to reduce DISCOM burden but faces implementation challenges

The "Solar Pump" Paradox

  • PM-KUSUM aims to solarize agricultural pumps
  • However, "free" solar energy can lead to unregulated groundwater extraction
  • Requires careful regulation to prevent overuse

Virtual Water Export

  • India is a leading global exporter of rice and sugar
  • Exporting water-intensive commodities means exporting billions of litres of "virtual water"
  • Worsens domestic water scarcity

Fragmented Governance

  • Policies for water, energy, and agriculture operate in silos
  • Weakens systemic resilience

India's Initiatives

  • National Bioenergy Programme
  • Pradhan Mantri Krishi Sinchayee Yojana (PMKSY) - 'Per Drop More Crop'
  • Sahi Fasal Campaign (Under National Water Mission)
  • Atal Bhujal Yojana - Community-based water budgeting
  • Shree Anna (National Millet Promotion)
  • BioE3 Policy
  • National Mission on Natural Farming

Required Reforms

1. Crop Diversification & MSP Realignment

  • Transition from "calorie security" to "nutritional and ecological security"
  • Reorient MSP framework to incentivize crops matching agro-climatic zones
  • Promote Shree Anna (Millets) in arid regions of Rajasthan and Deccan plateau

2. Rationalizing Power Subsidies

  • Move towards Direct Benefit Transfer (DBT) model
  • Farmers given fixed monetary subsidy, incentivising water and electricity conservation
  • Under PM-KUSUM, incentivise farmers to sell surplus solar power back to grid

3. Enhancing Water Use Efficiency

  • Aggressive promotion of micro-irrigation (drip and sprinkler)
  • Shift from flood irrigation to precision farming
  • Implement IoT-based soil moisture monitoring

4. Regenerative Agriculture

  • Adopt Zero Tillage, Direct Seeded Rice (DSR), organic farming
  • Improves soil health and water retention
  • Reduces reliance on energy-intensive chemical fertilizers

5. Water Accounting and Budgeting

  • Scale up village-level water budgeting (Atal Bhujal Yojana model)
  • Empower communities to manage local aquifers
  • Base cropping decisions on available water budget

Constitutional/Policy Framework

  • Article 48A (Directive Principles): Protection and improvement of environment
  • Article 51A(g): Duty to protect natural resources
  • National Water Policy integration needed
  • PMKSY as central irrigation initiative

Conclusion

India's food security cannot be sustained at the cost of its water and energy security. A paradigm shift from a "production-centric" to "ecology-centric" approach is required. By integrating hydrological realities and energy economics into agricultural policymaking, India can ensure climate-resilient farming, secure farmer livelihoods, and protect vital natural resources for future generations.