CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Revenues
Energy revenues	$ 5,705,418	$ 5,043,744
Turnkey & other revenues	317,450	591,021
Sales Revenue, Net, Total	6,022,868	5,634,765
Cost of sales
Fuel, maintenance and installation	3,827,539	3,625,404
Depreciation expense	1,265,009	867,923
Cost Of Goods and Services Sold	5,092,548	4,493,327
Gross profit	930,320	1,141,438
Operating expenses
General and administrative	2,384,774	1,487,040
Selling	1,496,764	602,597
Engineering	763,260	733,504
Operating Expenses, Total	4,644,798	2,823,141
Loss from operations	(3,714,478)	(1,681,703)
Other income (expense)
Interest and other income	40,234	51,385
Interest expense	(532,544)	(125,131)
Change in fair value of warrant liability	427,042	59,681
Nonoperating Income (Expense)	(65,268)	(14,065)
Loss before provision for state income taxes	(3,779,746)	(1,695,768)
Provision for state income taxes	0	(14,730)
Consolidated net loss	(3,779,746)	(1,710,498)
Income attributable to the noncontrolling interest	(4,199)	(197,505)
Net loss attributable to American DG Energy Inc.	$ (3,783,945)	$ (1,908,003)
Net loss per share - basic and diluted (in dollars per share)	$ (0.08)	$ (0.04)
Weighted average shares outstanding - basic and diluted (in shares)	45,705,793	43,525,374