CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 17,801,025	$ 3,921,054
Restricted cash	0	65,790
Accounts receivable, net	879,630	661,435
Unbilled revenue	18,825	117,846
Due from related party	21,140	52,432
Inventory	634,120	487,724
Prepaid and other current assets	322,276	86,089
Total current assets	19,677,016	5,392,370
Property, plant and equipment, net	14,690,117	14,362,444
Accounts receivable, long-term	82,664	17,034
Other assets, long-term	53,504	0
TOTAL ASSETS	34,503,301	19,771,848
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	520,608	482,917
Accrued expenses and other current liabilities	589,032	370,774
Due to related party	313,847	2,560,720
Capital lease obligations	3,365	3,365
Total current liabilities	1,426,852	3,417,776
Long-term liabilities:
Convertible debentures	19,400,000	0
Warrant liability	249,561	676,603
Capital lease obligations, long-term	3,365	6,730
Other long-term liabilities	43,052	0
Total liabilities	21,122,830	4,101,109
Stockholders' equity:
Common stock, $0.001 par value; 100,000,000 shares authorized; 46,001,404 and 45,598,029 issued and outstanding at December 31, 2011 and 2010, respectively	46,001	45,598
Additional paid-in capital	30,399,370	28,905,660
Accumulated deficit	(17,931,058)	(14,147,113)
Total American DG Energy Inc. stockholders' equity	12,514,313	14,804,145
Noncontrolling interest	866,158	866,594
Total stockholders' equity	13,380,471	15,670,739
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 34,503,301	$ 19,771,848