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Our model

The Water–Energy–Food Nexus.

Water, energy and food are inseparable. You can’t fix food security without energy and water; you can’t deliver water without energy. Worldtech treats them as one system — and powers all three with a single current: solar.

  • SDG 2 Zero Hunger
  • SDG 6 Clean Water & Sanitation
  • SDG 7 Affordable & Clean Energy
  • SDG 13 Climate Action

The three pillars of the nexus

Water

Solar-powered water for clean, reliable supply to underserved communities.

  • Solar-powered boreholes & pumping for clean, reliable water to underserved communities
  • Smart irrigation that cuts water waste while boosting productivity
  • Rainwater harvesting & greywater reuse
  • Well recharge

How it connects

  • → Energy: Solar pumps the borehole — no fuel, no grid needed.
  • → Food: Reliable irrigation water grows more, more predictably.
SDG 6
Energy Source

Solar mini-grids and off-grid systems — the single current powering all three.

  • Solar mini-grids & off-grid systems powering homes, schools, health facilities and farms
  • Energy-efficient solar-powered appliances for food processing & household use
  • Community-scale clean-energy projects
  • Ice thermal energy storage

How it connects

  • → Water: Solar pumps the borehole and runs the pumps.
  • → Food: Solar runs the cold room and the agro-processing line.
SDG 7 SDG 13
Food

Solar cold storage and agro-PV that cut post-harvest loss and grow more.

  • Climate-resilient agriculture via solar irrigation, drought-resistant crops & training
  • Solar-powered agro-processing & cold storage to cut post-harvest losses
  • Capacity building in sustainable farming
  • Agro-photovoltaics — crops grown under panels for dual land use

How it connects

  • → Water: Smart irrigation cuts water waste while boosting yield.
  • → Energy: Agro-PV grows crops under the same panels that make power.
SDG 2 SDG 13

Interactive model

One current, three systems.

Select a pillar to see its solutions and how the three systems reinforce one another.

WATER

Water

Solar-powered water for clean, reliable supply to underserved communities.
ENERGY Source

Energy

Solar mini-grids and off-grid systems — the single current powering all three.
FOOD

Food

Solar cold storage and agro-PV that cut post-harvest loss and grow more.

Full pillar detail is listed above — the interactive diagram enhances it.

Questions

Common questions about the nexus.

What is the Water–Energy–Food Nexus?
It is the idea that water, energy and food are not separate problems but one interconnected system: you cannot fix food security without energy and water, and you cannot deliver water without energy. Worldtech addresses all three with one toolkit — solar power.
Why does Worldtech put solar at the centre?
Solar is the single current that powers all three systems: it pumps the borehole (water), runs the mini-grid (energy), and powers the cold room and agro-processing (food). One clean, reliable energy source, three outcomes.
Which Sustainable Development Goals does the nexus address?
SDG 2 (Zero Hunger), SDG 6 (Clean Water & Sanitation), SDG 7 (Affordable & Clean Energy) and SDG 13 (Climate Action) — alongside inclusive local development and green jobs for youth and women.
How do water, energy and food reinforce each other?
Solar energy pumps water for irrigation; reliable irrigation plus solar cold storage cut post-harvest losses and grow more food; and that food system creates green jobs for the community. Each pillar makes the others stronger.

Put the nexus to work

Solar at the centre — across energy, water and food.

Explore solutions See it built: Agri Ecostore