Principal activity

6 Months Ended

Jun. 30, 2018

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

Nature of Operations [Text Block]

1. Principal activity

Consolidated Water Co. Ltd., and its subsidiaries (collectively, the “Company”) use reverse osmosis technology to produce potable water from seawater. The Company processes and supplies water and provides water-related products and services to its customers in the Cayman Islands, Belize, The Commonwealth of The Bahamas, the British Virgin Islands, the United States and Indonesia. The Company sells water to a variety of customers, including public utilities, commercial and tourist properties, residential properties and government facilities. The base price of water supplied by the Company, and adjustments thereto, are determined by the terms of a retail license and bulk water supply contracts which provide for adjustments based upon the movement in the government price indices specified in the license and contracts as well as monthly adjustments for changes in the cost of energy. The Company also manufactures and services a wide range of products and provides design, engineering, management, operating and other services applicable to commercial, municipal and industrial water production, supply and treatment.