Solar2Water – Clean Drinking Water from Air Using Solar Energy
01
Synopsis
Solar2Water is an innovative, solar-powered atmospheric water generation (AWG) solution designed to deliver safe, reliable drinking water directly from air, even in water-scarce, off-grid, and climate-stressed environments.
Developed by EcoTechX, Solar2Water addresses the escalating global water crisis driven by climate change, population growth, forced displacement, and contamination of surface and groundwater resources. The technology decouples drinking-water production from traditional water sources, enabling 24/7 water generation using renewable solar energy.
Solar2Water is field-tested, patent-protected, and ready for scale, offering a practical, climate-resilient solution for humanitarian, institutional, and remote applications.
Solar2Water at a Glance
100%
SOLAR-POWERED
water generation using renewable energy in grid and off-grid settings
25–30 L/DAY
COMPACT SYSTEM OUTPUT
suitable for individuals, families, and small community use
90–100 L/DAY
MODULAR SYSTEM OUTPUT
for larger community, institutional, and humanitarian deployments
24/7
WATER PRODUCTION
continuous operation with battery support for night-time use
UK PATENT
IP PROTECTED
priority patent filed with tested prototypes
FIELD-DEPLOYED
PROVEN TECHNOLOGY
operational systems deployed in Limpopo for community and aquaponics use
Why Sustainable Water from Air Matters
2+ BILLION
PEOPLE LACK SAFE DRINKING WATER
with climate change and water contamination accelerating scarcity worldwide
CLIMATE CHANGE
WATER SOURCES AT RISK
groundwater depletion, saline intrusion, droughts, and flooding threaten conventional supplies
FORCED DISPLACEMENT
MOBILE WATER NEEDED
refugee camps and disaster zones lack reliable, safe water infrastructure
OFF-GRID COMMUNITIES
INFRASTRUCTURE GAPS
remote areas remain excluded from centralized water networks
WATER-NEUTRAL
NO SURFACE OR GROUNDWATER REQUIRED
reducing environmental stress and dependency on existing water bodies
02
CHALLENGE
Access to clean drinking water is becoming one of the most urgent humanitarian and climate challenges of our time. Rising temperatures, prolonged droughts, pollution, and population growth are placing unprecedented pressure on already-stressed water systems.
In many regions, water infrastructure is either non-existent, damaged, contaminated, or inaccessible. Communities affected by conflict, displacement, or natural disasters often rely on unsafe water sources, increasing the risk of disease and mortality.
Conventional water-supply solutions are capital-intensive, location-dependent, and slow to deploy, leaving millions without reliable access. Without disruptive, decentralised alternatives, global water insecurity will continue to escalate, undermining health, stability, and development outcomes.
Why the Water Challenge Persists
Orphaned
Invisible
Expensive
03
APPROACH & TECHNOLOGY
Approach
Advanced Atmospheric Water Generation
- Extracts potable water directly from ambient air
- Operates effectively in low-humidity environments
- Decouples water supply from rainfall, rivers, and aquifers
Solar-Powered, Off-Grid Design
- Fully solar-driven operation
- Battery-enabled night-time production
- Suitable for grid-connected and off-grid contexts
Modular & Portable Architecture
- Scalable from individual units to community systems
- Portable and rapidly deployable
- Minimal installation and training requirements
Water-Neutral & Climate-Resilient
- No dependency on water bodies
- No groundwater extraction
- Designed for extreme climates and emergency conditions
Results
Demonstrated Outcomes
- Continuous 24/7 clean water production
- Double the water output per unit energy compared to conventional
- AWGs
- Reliable operation in low-humidity conditions
- Field-tested systems producing 25–100 litres/day
- Zero dependency on existing water infrastructure
S2Cool is redefining cooling — not by consuming more energy, but by needing far less of it.
04
MARKET & APPLICATIONS
Primary Use Cases
- Refugee camps and humanitarian response
- Disaster-relief and emergency deployments
- Remote and off-grid communities
- Military and field operations
- Educational institutions and public facilities
- Areas affected by water contamination
Secondary Applications
- Aquaponics and sustainable agriculture
- Coastal and arid regions
- Temporary and modular housing developments
05
MOVING FORWARD
Solar2Water Role
Solar2Water acts as a decentralised water-security solution, enabling clean drinking water access where conventional infrastructure cannot reach. By combining renewable energy, modular design, and climate resilience, Solar2Water supports humanitarian response, development resilience, and long-term sustainability.
Near Term (0–1 Years)
- Multi-environment performance validation
- Product optimisation for mass deployment
- Certifications and regulatory compliance
- Expanded pilot deployments
Medium Term (1–3 Years)
- Manufacturing scale-up and cost reduction
- Strategic partnerships with NGOs and governments
- Deployment across humanitarian and institutional markets
- Investor-backed go-to-market execution
Long Term (3+ Years)
- Large-scale adoption in water-stressed regions
- Integration into disaster-response frameworks
- Contribution to global water-security strategies
- Support for SDGs 6 (Clean Water), 7 (Clean Energy), and 13 (Climate Action)
07
MULTIMEDIA









- https://doi.org/10.1016/j.icheatmasstransfer.2025.110321
- https://doi.org/10.1016/j.icheatmasstransfer.2025.109628
- https://doi.org/10.1016/j.icheatmasstransfer.2025.109408
- https://doi.org/10.1016/j.icheatmasstransfer.2025.109176
- https://doi.org/10.3390/agriengineering7070222
- https://doi.org/10.1016/j.icheatmasstransfer.2025.108814
- https://doi.org/10.1016/j.rineng.2025.104540
- https://doi.org/10.1016/j.icheatmasstransfer.2025.110321
- https://doi.org/10.1109/FIT67061.2025.11333636
08
IP & DEVELOPMENT STATUS
- TRL 8–9 (Minimum Viable Product) with fully integrated, market-ready Solar2Water systems
- UK priority patent filed, securing core intellectual property
- Prototypes fully tested and validated, with successful real-world field deployments
- Technology licensed to EcoTechX (UK), with defined rights for manufacturing and market deployment
- Open to strategic partnerships, including regional licensing, co-development, and equity investment
















