Solar Water Solutions
- Company typePrivate
- Founded2015
- HeadquartersEspoo, Finland
- Headcount11–50
- GTM typeB2B and B2C
- OfferingHardware or Manufacturing
What Solar Water Solutions does
Solar Water Solutions Oy is a privately held Finnish cleantech company, founded in 2015 and headquartered in Espoo, that designs, manufactures, and sells solar-powered reverse osmosis (RO) desalination systems. Its technology stack centres on the patented ANVS (Adaptive Nozzle Valve System), which maintains stable RO pressure directly from photovoltaic input without batteries, enabling deployment in off-grid, coastal, and island environments. The portfolio spans consumer units (SolarRO MINI 75 and MINI 150, producing 40-150 L/h), commercial systems (BW12 and BW30, 500-1,200 L/h), mobile containerized units (SW36, 1,600 L/h), and industrial systems (SolarRO 3500, up to 12,000 L/h), supported by a recurring revenue stream of replacement filters, membranes (3-5 year life), and winterization fluids.
The business model is primarily one-time hardware sales through a hybrid go-to-market: direct phone/email/web sales for Finnish consumers, an LVI plumbing partner network (including Hanakat) for installation, regional distribution partners internationally (Sustainable Water Systems in Australia, Epicenter Africa in Kenya), and enterprise/NGO channels for municipal-scale projects. Pricing is quote-based at the enterprise end; consumer operating costs run approximately EUR 150 per season for a MINI 75. In emerging markets the company is piloting a usage-based water-ATM model (target ~USD 1/m³) in Kenya, shifting toward recurring revenue from water production rather than device sales.
Customer segmentation is hybrid. The primary volume base is Finnish cottage and island property owners with no municipal water (200+ devices installed in that segment), supplemented by small businesses such as archipelago cafes, resorts, and catering. Secondary segments include municipal/government buyers (Tuvalu Government deployed eight SW36 units for outer islands with an 80% operating-cost reduction), NGOs and development organizations (World Vision in Kenya and Asia-Pacific, Climate Fund Managers-backed Kitui County program targeting 400,000 people in Kenya), and remote/community deployments in Namibia, Madagascar, Tanzania, Morocco, Indonesia, and Pacific island states (Kiribati, Tonga). Geographies served include Northern Europe, East Africa, Southern Africa, North Africa, Middle East, Southeast Asia, Oceania, and select Pacific island nations. Manufacturing and a customer showroom are operated from Miilukorventie 2, Espoo, with ISO 9001:2015 and ISO 14001:2015 certifications.
Solar Water Solutions firmographics
Firmographics- Name
- Solar Water Solutions
- Legal name
- Solar Water Solutions Oy
- Website
- https://solarwatersolutions.fi
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Ownership category
- akta.pro rank
Solar Water Solutions industry classification
Industry- Product category
- Water Purification Equipment
- NAICS
- Water, Sewage and Other Systems (2213), Water Supply and Irrigation Systems (221310), Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914)
- SIC
- Water Supply (4941), Pumps & Pumping Equipment (3561)
- akta.pro primary industry
- Desalination Energy Systems (Energy Recovery Devices, Power Integration, Renewables) (EUANAFAI)
- akta.pro secondary industries
- Brackish Water Reverse Osmosis (BWRO) Plants & Operations (EUANAFAB), Advanced Treatment & Purification Utilities (MF/UF, RO, AOP, UV) (EUANAGAD), Water & Wastewater Treatment Plant Equipment (Clarifiers, Aeration, Membrane Systems) (IMAHAEAJ), Water Softener, Filtration & Treatment System Installation (HSAOAAAH)
Keywords
Where Solar Water Solutions is headquartered
LocationHeadquarters
- HQ city
- Espoo
- HQ country
- Finland
- HQ region
- Europe
Offices2 records
Markets served
Solar Water Solutions business model
Business model- GTM type
- B2B and B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Technology or R&D, Personnel, Marketing or Sales, Operations
Revenue model
- Water Desalination Equipment Sales: One-time sale of hardware systems ranging from consumer models (SolarRO MINI 75/150) to industrial-scale units (BW12, BW30, SW36, SolarRO 3500) producing 75 L/h to 1000 m³/day. Equipment is manufactured in Finland (Espoo) and sold globally to consumers, businesses, and governments.
- Replacement Filters and Parts: Ongoing revenue from consumables including pre-filters (to be replaced monthly depending on raw water quality), reverse osmosis membranes (3-5 year lifespan), and winterization fluids. Typical seasonal operating cost approximately 150 EUR for MINI 75 including filter replacement.
- Water Sales (Emerging Markets): In Kenya and developing markets, the company is piloting a service model where water is produced locally and sold to consumers through water ATMs at subsidized prices (potentially as low as 1 USD/m³). This creates recurring revenue from water production in underserved communities.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | SolarRO MINI 75 - Compact solution for couples or small families |
| Unit Pricing | Pay-as-you-go | SolarRO MINI 150 - Solution for larger families and guests |
| Unit Pricing | Pay-as-you-go | BW12 - Business model for small enterprises |
| Unit Pricing | Pay-as-you-go | BW30 - Business model for larger enterprises |
| Unit Pricing | Multi-year contract | Large-scale systems (1-1000 m³/day) |
Go-to-market motion4 records
Distribution channels5 records
Marketing channels8 records
Solar Water Solutions product offering
Product offeringCore offering
Solar Water Solutions designs and manufactures solar-powered reverse osmosis water purification systems that convert seawater, brackish water, or contaminated freshwater into safe drinking water. The company's proprietary ANVS valve technology enables battery-free operation directly from photovoltaic panels, producing clean water at capacities ranging from 25 L/h for residential use up to 1000 m³/day for municipal and industrial applications. Systems are manufactured in Espoo, Finland and sold globally to consumers, businesses, governments, and NGOs.
Product overview
Solar Water Solutions offers reverse osmosis-based water purification systems for producing drinking water from seawater, brackish water, lakes, rivers, and wells. The product portfolio includes: consumer-grade SolarRO MINI devices (SolarRO MINI 75 and SolarRO MINI 150) producing 75-150 L/h from freshwater and 40-60 L/h from seawater for cottages and islands without grid access; commercial BW series devices (BW12, BW30) with capacities of 500-1200 L/h for small businesses; SW36 mobile units producing 1600 L/h; and industrial-scale SolarRO 3500 systems with capacities up to 12,000 L/h for hotels, schools, and villages. All devices operate on solar power, grid electricity, or hybrid configurations. The core technology includes the proprietary ANVS® (Adaptive Nozzle Valve System) patented technology enabling energy-efficient operation at 0.18-0.33 kWh per 100 liters of water. Manufacturing is based in Espoo, Finland with ISO 9001 and ISO 14001 certifications.
Differentiator
Problem solved
Functional benefit
Products and services
- SolarRO MINI 75 Compact reverse osmosis water purification device designed for small cabins and cottages. Produces 40 L/h from seawater and 75 L/h from freshwater. Available in 12V (solar/off-grid) and 230V versions.
- SolarRO MINI 150 Larger reverse osmosis water purification device for families and larger cottages. Produces 60 L/h from seawater and 150 L/h from freshwater. Available in 24V and 230V configurations.
- BW12 Reverse Osmosis Device Commercial reverse osmosis unit with maximum output of 500 liters per hour, suitable for small businesses and tourism services.
- BW30 Reverse Osmosis Device Commercial reverse osmosis unit with maximum output of 1200 liters per hour, designed for larger water consumption needs and can be placed in a small storage container.
- SW36 Water Purification Device Solar-powered water purification device with automatic 11 kW desalination system producing up to 1600 liters of clean water per hour. Mobile models available. Used by Tuvalu Government for outer island deployment.
- SolarRO 3500 Industrial-scale desalination unit with capacity of 3500-7000 L/h from Atlantic seawater or 6000-12000 L/h from Baltic brackish water. Designed for hotels, schools, or villages.
- Accessories and Spare Parts Replacement filter cartridges, filter housings, winterization fluids (food-grade glycol), UV disinfection units, and active carbon filters available for all SolarRO devices.
Quantifiable outcome
- Water production cost: 0.30-1.00 EUR/m³
- +6 more outcomes
Companies that use Solar Water Solutions
Customer profileNamed customers8 records
Segments4 records
Ideal customer profiles4 records
Solar Water Solutions technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Solar Water Solutions partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core and minor.
- LORENTZcoreSolar Water Solutions and LORENTZ jointly develop, manufacture, and market solar-powered desalination solutions. LORENTZ is a market leader in solar pump technology, providing complementary expertise in solar water systems. Their aurinkopumpputeknologia (solar pump technology) is integrated into Solar Water Solutions' water systems as shown in product collaborations.
- DanfosscoreLong-term technology partnership. Danfoss provides APP high-pressure pumps, VACON 100 X variable frequency drives, and DrivePro Remote Monitoring solution that support the solar desalination systems. Co-developed electrical infrastructure for rural Kenya project. This partnership provides essential components for the technology operation.
- World Vision International (Asia P3 Hub)corePartnership with World Vision International's Asia P3 Hub to mitigate water shortage impacts in Asia. Leverages previous Kenya collaboration (World Vision Finland/Kenya) and World Vision's deep knowledge and local expertise in Asia Pacific. Singapore-based Asia P3 Hub was seeded by World Vision to incubate multi-sector partnerships addressing poverty through co-created solutions.
- Aalto UniversityminorFinnish university collaboration for technology development. The devices were developed and tested in close cooperation with Aalto University. Joint product development brings academic rigor to the technology development process.
- Epicenter AfricacoreKenyan service partner for water and renewable energy projects. Responsible for borehole drilling, solar panels, piping, pumps, and tanks installation in Kenya. Provides local service and maintenance support in the region, ensuring proper functioning of equipment.
- Sustainable Water SystemscoreAustralian sales and maintenance partner for Oceania region. Representatives from Pacific Island area received training in Finland on maintenance of solar-powered desalination equipment. Ensures fast support for customers in remote Pacific locations.
- Hanakat LVIcoreNational plumbing installation and service network in Finland. Provides installation services for customers nationwide through their chain of plumbing partners. Customers are directed to Hanakat for installation assistance.
- Danone CommunitiesminorSocial impact investment company supporting businesses that promote social responsibility. Danone Communities organizes LEX events bringing together startups, investors, and change-makers in the water sector every 18 months. Solar Water Solutions participates in this network of sustainable water industry pioneers.
- ClimatePointminorLow-carbon solutions funding organization that selected Solar Water Solutions into their portfolio. ClimatePoint enables companies to reach new customers for sustainable water production. Their impact analysis shows Solar Water Solutions' technology avoids more emissions than it produces by 2026.
Scale indicators12 records
Recent moves6 records
Expansion highlights6 records
Solar Water Solutions competitors and assessment
Company assessmentOthers
- WaterAid: International NGO focused on clean water access in developing countries. Not a product competitor but a critical ecosystem participant — funder, partner, and potential channel — for off-grid water-purification vendors serving WASH markets.
Emerging players
- Gradiant: US-based water-technology company providing treatment and reuse solutions for industrial and municipal clients. Comparable as an emerging technology-led water-treatment company, though focused on industrial reuse rather than consumer/island desalination.
- Desolenator: UK/Netherlands startup developing solar-thermal desalination units for off-grid and developing-market use. Closely comparable mission (renewable-powered water for underserved communities) and similar technology philosophy, though uses thermal rather than RO.
- Source Global: US company producing drinking water from ambient air using solar thermal technology. Adjacent — addresses the same end problem (decentralised clean water off-grid) with a different technical approach; competes for the same ESG/impact-finance capital pool.
Direct peers
- LORENTZ: German specialist in solar pump technology that has a joint development, manufacturing, and marketing alliance with Solar Water Solutions. Highly comparable because both target solar-powered water movement/purification in off-grid contexts and share a common customer base.
- Pure Aqua: US-based manufacturer of reverse osmosis and water treatment systems, including solar-powered options for off-grid applications. Direct competitor in small-to-medium scale desalination equipment for commercial and remote-community buyers.
- Spectra Watermakers: US maker of energy-efficient reverse-osmosis desalination systems for marine, off-grid, and island applications. Directly comparable product category (small-scale electric/solar-powered RO) and similar customer profile (yacht owners, remote homes, small communities).
Broad incumbents
- IDE Technologies: Israeli global leader in desalination and water-treatment plants, including thermal and RO technologies for municipal and industrial customers. Operates at much larger scale than Solar Water Solutions but competes for the same institutional, island-state, and emerging-market utility contracts.
- Acciona Agua: Spanish global EPC operator of large desalination and water-treatment plants. Comparable on technology and customer base for large-scale desalination, particularly in water-stressed regions, but serves a much larger utility-scale project segment.
- Katadyn Group: Swiss portable water-treatment incumbent offering filters, desalination, and purification products for outdoor, marine, and emergency-response markets. Comparable end-user use cases and product overlap, but operates as a broad portfolio incumbent rather than a solar-RO specialist.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Solar Water Solutions social profiles
Digital presenceSolar Water Solutions compliance and trust
Trust signalCompliance2 records
Solar Water Solutions financial estimates
Financial estimateRevenue estimate
Valuation estimate
Solar Water Solutions leadership team
Management profileNumber of profiles
Profiles5 records
Solar Water Solutions funding detail
Funding detailFunding overview
Funding rounds2 records
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Solar Water Solutions M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Solar Water Solutions
What does Solar Water Solutions do?
Solar Water Solutions designs and manufactures solar-powered reverse osmosis water purification systems that convert seawater, brackish water, or contaminated freshwater into safe drinking water. The company's proprietary ANVS valve technology enables battery-free operation directly from photovoltaic panels, producing clean water at capacities ranging from 25 L/h for residential use up to 1000 m³/day for municipal and industrial applications. Systems are manufactured in Espoo, Finland and sold globally to consumers, businesses, governments, and NGOs.
Is Solar Water Solutions a public or private company?
Solar Water Solutions is a private company. It is classified as family owned and is currently operating.
When was Solar Water Solutions founded?
Solar Water Solutions was founded in 2015. It employs 11 to 50 people.
Where is Solar Water Solutions based?
Solar Water Solutions is headquartered in Espoo, Finland, in the Europe region.
How does Solar Water Solutions make money?
Three revenue lines are on record. Water Desalination Equipment Sales are the primary driver. The others are replacement Filters and Parts and water Sales (Emerging Markets).
Who are Solar Water Solutions's main competitors?
WaterAid is listed as an others. Emerging players are Gradiant, Desolenator and Source Global. Direct peers are LORENTZ, Pure Aqua and Spectra Watermakers. Broad incumbents are IDE Technologies, Acciona Agua and Katadyn Group.
Does Solar Water Solutions have an API?
No public API is recorded for Solar Water Solutions.
What industry is Solar Water Solutions in?
Solar Water Solutions's product category is Water Purification Equipment. Its primary akta.pro industry code is EUANAFAI, Desalination Energy Systems (Energy Recovery Devices, Power Integration, Renewables), with a secondary code of EUANAFAB, Brackish Water Reverse Osmosis (BWRO) Plants & Operations. Its NAICS code is 2213 and its SIC code is 4941.