Seawater Reverse Osmosis Cost Analysis

Compare the estimated cost of seawater reverse osmosis with your local water supply.

Enter your production requirements and local prices. The calculator estimates annual costs, savings and simple payback using Lenntech's existing design model.

Plant operation

Small to medium plants, up to 100 m³/h.

Greater than 0 and up to 24 hours per day.

Greater than 0 and up to 365 days per year.

System options

Recover energy from the RO brine to reduce electricity use. Learn more.

Include the upfront cost of pre-treatment. Learn more.

Include the upfront cost of containerization. Learn more.

Costs and financing

The existing model uses 3–10 years.

Enter 0 for interest-free financing.

Your estimate

Annual savings

— EUR/year

Simple payback

— years

Savings over the amortization period

— EUR

Annual cost comparison
Local network water cost— EUR/year
Annual ownership cost excluding energy— EUR/year
Electricity cost— EUR/year

Annual ownership cost includes the annualized upfront investment, consumables and spares. Simple payback divides upfront investment by annual operating savings before financing costs.

These values are estimates and may change with project conditions. They are not a quotation.

For help assessing your seawater reverse osmosis project, contact Lenntech.

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