Segment information (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) segment	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Segment information
Number of reportable segments | segment	5
Revenue	$ 132,073,368	$ 133,966,633	$ 180,211,233
Cost of revenue	83,694,558	88,342,185	118,284,128
Gross profit	48,378,810	45,624,448	61,927,105
General and administrative expenses	30,116,328	27,537,436	24,752,366
Gain on asset dispositions, net	97,709	197,786	(7,112)
Income (loss) from operations	18,360,191	18,284,798	37,167,627
Interest income	2,670,040	2,094,190	696,408
Interest expense	(4,420)	(101,847)	(145,284)
Income (loss) from affiliates	227,886	269,455	169,728
Other	131,438	131,878	107,461
Other income (loss), net	3,024,944	2,393,676	828,313
Income (loss) before income taxes	21,385,135	20,678,474	37,995,940
Provision for income taxes	2,164,648	2,218,514	6,750,014
Net income (loss) from continuing operations	19,220,487	18,459,960	31,245,926
Income from continuing operations attributable to non-controlling interests	593,179	577,590	573,791
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	18,627,308	17,882,370	30,672,135
Net loss from discontinued operations	(290,635)	10,355,184	(1,086,744)
Net income attributable to Consolidated Water Co. Ltd. stockholders	18,336,673	28,237,554	29,585,391
Subcontractor and other project costs	25,460,247	29,905,101	64,700,505
Employee costs	24,317,068	24,070,902	18,935,013
Electricity	8,887,754	8,866,059	9,502,666
Fuel oil	7,477,674	8,330,914	9,024,836
Depreciation	5,911,304	5,641,370	5,632,999
Maintenance	3,662,800	3,800,391	2,992,872
Insurance	2,291,928	2,446,327	2,061,497
Retail license royalties	2,120,923	1,945,470	1,842,924
Other	3,564,860	3,335,651	3,590,816
Total cost of revenue	83,694,558	88,342,185	118,284,128
Employee costs	15,957,013	14,692,061	13,690,153
Professional fees	3,899,307	3,396,416	2,012,092
Insurance	2,119,498	2,067,372	1,903,856
Depreciation and amortization	812,781	870,935	764,102
Other	7,327,729	6,510,652	6,382,163
Total general and administrative expenses	30,116,328	27,537,436	24,752,366
Cash and cash equivalents	123,788,390	99,350,121
Accounts receivable, net	32,768,537	39,580,982
Inventory, current and non-current	9,299,987	14,299,311
Contract assets	3,290,815	4,470,243
Property, plant and equipment, net	55,151,758	52,432,282
Construction in progress	6,695,656	5,143,717
Intangibles, net	2,101,555	2,696,815
Goodwill	12,861,404	12,861,404
Total segment assets	257,440,715	243,040,696
Assets of discontinued operations	124,630	272,485
Retail
Segment information
Revenue	33,587,952	31,741,343	30,158,051
Cost of revenue	14,593,693	14,199,088	13,891,229
Gross profit	18,994,259	17,542,255	16,266,822
General and administrative expenses	3,734,676	3,263,593	2,978,164
Gain on asset dispositions, net	40,578	2,286	(21,716)
Income (loss) from operations	15,300,161	14,280,948	13,266,942
Interest income	171,351	198,180	181,468
Interest expense		(93,368)	(123,867)
Other	71,262	78,647	93,795
Other income (loss), net	242,613	183,459	151,396
Income (loss) before income taxes	15,542,774	14,464,407	13,418,338
Net income (loss) from continuing operations	15,542,774	14,464,407	13,418,338
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	15,542,774	14,464,407	13,418,338
Employee costs	3,039,052	2,895,606	2,797,130
Electricity	4,527,864	4,755,308	4,846,974
Depreciation	2,510,023	2,427,254	2,376,747
Maintenance	934,015	877,882	845,596
Insurance	717,718	686,073	587,238
Retail license royalties	2,120,923	1,945,470	1,842,924
Other	744,098	611,495	594,620
Total cost of revenue	14,593,693	14,199,088	13,891,229
Employee costs	1,654,945	1,555,619	1,485,647
Professional fees	66,338	85,739	122,067
Insurance	421,156	417,604	351,259
Depreciation and amortization	42,042	37,691	38,883
Other	1,550,195	1,166,940	980,308
Total general and administrative expenses	3,734,676	3,263,593	2,978,164
Cash and cash equivalents	15,693,394	19,167,484
Accounts receivable, net	3,274,109	3,223,190
Inventory, current and non-current	3,555,946	3,437,771
Property, plant and equipment, net	32,371,991	31,689,586
Construction in progress	1,348,572	1,951,559
Goodwill	1,170,511	1,170,511
Total segment assets	59,410,635	62,994,011
Bulk
Segment information
Revenue	33,481,307	33,673,387	34,595,058
Cost of revenue	22,470,197	23,360,360	24,128,132
Gross profit	11,011,110	10,313,027	10,466,926
General and administrative expenses	1,614,759	1,564,975	1,737,264
Gain on asset dispositions, net			12,720
Income (loss) from operations	9,396,351	8,748,052	8,742,382
Interest income	772,514	865,584	362,422
Other	(9,322)	39,625	10,793
Other income (loss), net	763,192	905,209	373,215
Income (loss) before income taxes	10,159,543	9,653,261	9,115,597
Net income (loss) from continuing operations	10,159,543	9,653,261	9,115,597
Income from continuing operations attributable to non-controlling interests	593,179	577,590	573,791
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	9,566,364	9,075,671	8,541,806
Subcontractor and other project costs		3,787
Employee costs	2,103,790	2,069,920	1,927,313
Electricity	4,177,008	3,864,863	4,306,439
Fuel oil	7,477,674	8,330,914	9,024,836
Depreciation	2,794,444	2,689,432	2,831,368
Maintenance	2,001,297	2,138,584	1,705,585
Insurance	1,475,176	1,721,846	1,468,508
Other	2,440,808	2,541,014	2,864,083
Total cost of revenue	22,470,197	23,360,360	24,128,132
Employee costs	383,111	375,479	359,923
Professional fees	105,113	82,452	93,754
Insurance	388,840	384,932	341,391
Depreciation and amortization	19,940	25,086	22,180
Other	717,755	697,026	920,016
Total general and administrative expenses	1,614,759	1,564,975	1,737,264
Cash and cash equivalents	20,343,683	13,339,206
Accounts receivable, net	20,882,114	28,807,257
Inventory, current and non-current	4,999,261	4,865,117
Property, plant and equipment, net	16,284,441	18,093,155
Construction in progress	5,316,061	2,480,999
Goodwill	1,948,875	1,948,875
Total segment assets	71,300,554	71,743,161
Services
Segment information
Revenue	46,312,325	50,956,489	97,966,650
Cost of revenue	34,449,844	38,511,535	66,797,762
Gross profit	11,862,481	12,444,954	31,168,888
General and administrative expenses	7,885,756	6,055,409	4,271,808
Gain on asset dispositions, net	52,131	2,714
Income (loss) from operations	4,028,856	6,392,259	26,897,080
Interest income	839,190	458,732	151,706
Interest expense	(4,420)	(8,409)	(21,417)
Other	69,735	(5,634)	1,024
Other income (loss), net	904,505	444,689	131,313
Income (loss) before income taxes	4,933,361	6,836,948	27,028,393
Provision for income taxes	1,132,590	1,528,398	6,388,457
Net income (loss) from continuing operations	3,800,771	5,308,550	20,639,936
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	3,800,771	5,308,550	20,639,936
Subcontractor and other project costs	16,416,318	20,366,236	53,830,817
Employee costs	16,721,727	17,062,858	12,311,403
Electricity	138,467	212,337	301,247
Depreciation	416,486	364,473	256,537
Maintenance	413,831	439,883	83,998
Insurance	99,034	38,408	5,751
Other	243,981	27,340	8,009
Total cost of revenue	34,449,844	38,511,535	66,797,762
Employee costs	4,624,683	3,443,005	2,529,548
Professional fees	831,897	646,610	422,196
Insurance	170,005	214,983	127,993
Depreciation and amortization	571,689	630,544	528,810
Other	1,687,482	1,120,267	663,261
Total general and administrative expenses	7,885,756	6,055,409	4,271,808
Cash and cash equivalents	46,444,679	34,181,902
Accounts receivable, net	6,364,226	6,593,276
Inventory, current and non-current	24,178	167,856
Contract assets	1,144,943	1,204,522
Property, plant and equipment, net	1,666,099	858,352
Intangibles, net	1,627,110	2,129,037
Goodwill	7,756,807	7,756,807
Total segment assets	69,172,997	56,792,772
Manufacturing
Segment information
Revenue	18,691,784	17,595,414	17,491,474
Cost of revenue	12,180,824	12,271,202	13,467,005
Gross profit	6,510,960	5,324,212	4,024,469
General and administrative expenses	2,102,759	2,456,807	1,838,284
Gain on asset dispositions, net	5,000		2,233
Income (loss) from operations	4,413,201	2,867,405	2,188,418
Interest income	3	4	4
Income (loss) from affiliates	(29,354)	16,701
Other	344	11,993	2,020
Other income (loss), net	(29,007)	28,698	2,024
Income (loss) before income taxes	4,384,194	2,896,103	2,190,442
Provision for income taxes	1,026,316	672,040	440,111
Net income (loss) from continuing operations	3,357,878	2,224,063	1,750,331
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	3,357,878	2,224,063	1,750,331
Subcontractor and other project costs	9,043,929	9,535,078	10,869,688
Employee costs	2,452,499	2,042,518	1,899,167
Electricity	44,415	33,551	48,006
Depreciation	190,351	160,211	168,347
Maintenance	313,657	344,042	357,693
Other	135,973	155,802	124,104
Total cost of revenue	12,180,824	12,271,202	13,467,005
Employee costs	1,178,544	1,286,141	1,071,012
Professional fees	156,997	133,229	88,882
Insurance	269,620	215,241	196,539
Depreciation and amortization	106,408	103,674	105,013
Other	391,190	718,522	376,838
Total general and administrative expenses	2,102,759	2,456,807	1,838,284
Cash and cash equivalents	6,620,358	4,768,376
Accounts receivable, net	2,240,036	946,846
Inventory, current and non-current	720,602	5,828,567
Contract assets	2,145,872	3,265,721
Property, plant and equipment, net	4,608,544	1,601,501
Construction in progress	31,023	711,159
Intangibles, net	474,445	567,778
Goodwill	1,985,211	1,985,211
Total segment assets	19,454,784	20,095,648
Corporate
Segment information
General and administrative expenses	14,778,378	14,196,652	13,926,846
Gain on asset dispositions, net		192,786	(349)
Income (loss) from operations	(14,778,378)	(14,003,866)	(13,927,195)
Interest income	886,982	571,690	808
Interest expense		(70)
Income (loss) from affiliates	257,240	252,754	169,728
Other	(581)	7,247	(171)
Other income (loss), net	1,143,641	831,621	170,365
Income (loss) before income taxes	(13,634,737)	(13,172,245)	(13,756,830)
Provision for income taxes	5,742	18,076	(78,554)
Net income (loss) from continuing operations	(13,640,479)	(13,190,321)	(13,678,276)
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	(13,640,479)	(13,190,321)	(13,678,276)
Employee costs	8,115,730	8,031,817	8,244,023
Professional fees	2,738,962	2,448,386	1,285,193
Insurance	869,877	834,612	886,674
Depreciation and amortization	72,702	73,940	69,216
Other	2,981,107	2,807,897	3,441,740
Total general and administrative expenses	14,778,378	14,196,652	$ 13,926,846
Cash and cash equivalents	34,686,276	27,893,153
Accounts receivable, net	8,052	10,413
Property, plant and equipment, net	220,683	189,688
Total segment assets	$ 38,101,745	$ 31,415,104