Home/Solar Water ATM
Off-grid · Solar-powered · AI-monitored

Solar Water ATM, powered by the sun and guarded by AI.

The Arosia Solar Water ATM is a self-contained water purification and vending kiosk. It brings safe, fluoride-free drinking water to places the grid never reached, and runs 24×7 on solar energy.

Request a site proposal → See the digital twin
Students using the Arosia solar water ATM in Konark, Odisha
Konark · Solar Water ATM
24×7
Dispensing on solar + battery
~2.5t
Coal avoided per kiosk each year
2–4%
Water wastage
0
Chemicals, diesel or grid needed

What is a solar water ATM?

A solar water ATM is an automated drinking-water kiosk that purifies local groundwater or surface water on site and dispenses it on demand. Its whole system runs on solar photovoltaic panels and battery storage. Users walk up, pay by UPI, wallet or smart card, and collect clean water by the litre. Because it needs no grid connection, a solar water ATM can serve remote villages, tribal hamlets, highway stops, construction camps and disaster-relief sites. These are often the places where safe water is scarcest.

Arosia's solar water ATM goes beyond the usual solar-plus-RO kiosk. At its core is our patented, chemical-free fluoride removal technology. Every unit is also an IoT-connected node with its own AI digital twin.

How the Arosia Solar Water ATM works

01 · HARVEST

Solar power

PV panels with MPPT charge control power the pumps, the EC cell, UV and electronics. Batteries cover nights and cloudy days.

02 · TREAT

Patented EC cell

Electrocoagulation removes fluoride, arsenic and iron without chemicals. Nanofiltration and UV follow.

03 · VERIFY

IoT sensors

Water quality, tank level and energy are measured continuously and streamed to Arosia Cloud.

04 · DISPENSE

Cashless ATM

Pay-per-litre with UPI, wallet or RFID card, and every transaction is logged for impact reporting.

Why choose a solar water ATM over a grid-powered RO plant?

  • Works where the grid doesn't. Water supply continues through power cuts and in villages with weak or no electricity.
  • Lower operating cost. There are no electricity bills or diesel, so the price per litre stays affordable for households.
  • Less water wasted. Our non-RO process wastes roughly 2–4% of input water, which matters where aquifers are already stressed.
  • Healthier water. Essential minerals stay in the water while fluoride, arsenic, iron, pathogens and microplastics are removed.
  • Climate positive. Each off-grid kiosk avoids about 2,500 kg of coal burning every year, which supports SDG 7 and SDG 13.
  • Smarter uptime. AI predicts membrane fouling, battery wear and demand spikes before they disrupt service.

Technical overview

PowerSolar PV + battery bank, MPPT charge controller. Grid-hybrid optional.
Treatment trainPre-filtration → patented electrocoagulation (defluoridation) → settling → nanofiltration → UV disinfection
Contaminants addressedFluoride, arsenic, iron, turbidity, bacteria, viruses, microplastics
Output quality targetWithin BIS IS 10500 drinking-water limits
Water wastage~2–4% of input water
PaymentsUPI, mobile wallet, RFID / smart card; app-based home delivery in select areas
ConnectivityGSM / 4G IoT with local data buffering
IntelligenceCloud dashboard, AI anomaly detection, predictive maintenance, weather-aware energy management, digital twin
CapacityConfigured to the site's population and daily demand. Ask us for sizing.

Where solar water ATMs make the biggest difference

Fluoride-affected villagesArsenic belt communitiesTribal & hill hamletsSchools & anganwadisPrimary health centresHighways & pilgrim routesMining & worker coloniesDisaster relief campsIslands & coastal sites

Solar water ATMs in the field

Arosia has deployed solar and smart water ATMs from Kolkata to Agartala (Tripura), Salanpur's Coal India worker colony, Konark and Khamar (Odisha), Lansdowne and Ayodhya. Together the network serves more than 25,000 people with over 100,000 litres of safe water a day. See our impact →

Arosia solar water ATM in Ayodhya
Ayodhya
Arosia solar water ATM and solar array in Konark
Konark
Off-grid Arosia solar water kiosk with storage tank
Off-grid kiosk

Funding a solar water ATM

Solar water ATMs fit well with CSR programmes, Jal Jeevan Mission-aligned initiatives, district mineral foundation funds, municipal smart-city budgets and SDG-linked grants. Our impact ledger produces transaction-verified reports on litres served, beneficiaries reached and CO₂ avoided, which makes compliance and audits simple.

Frequently asked questions

What is a solar water ATM?

A self-service water purification and vending kiosk powered by solar panels and batteries. It provides safe drinking water 24×7 without grid electricity or diesel generators.

Does it work at night or during the monsoon?

Yes. Batteries cover night-time dispensing. Our AI also reads weather forecasts so it can pre-fill treated-water tanks and switch to eco-mode before cloudy spells.

Can a solar water ATM remove fluoride and arsenic?

Arosia's can. It integrates our patented, chemical-free electrocoagulation cell, which removes fluoride, arsenic and iron, followed by nanofiltration and UV disinfection.

What is the cost of a solar water ATM?

Cost depends on daily capacity, raw-water chemistry, solar sizing and site works. Share your location and the population to be served, and we'll send a site-specific proposal that includes CSR and government funding options.

How much carbon does a solar water ATM save?

Each off-grid Arosia kiosk avoids about 2,500 kg of coal burning a year compared with a grid-powered equivalent.

Plan a Solar Water ATM for your site.

Send an enquiry → +91 86977 02088

Also see the Smart Water ATM for urban and grid-connected sites.