Concentrations of Credit Risk

12 Months Ended

Dec. 31, 2016

CONCENTRATION OF CREDIT RISK AND MAJOR CUSTOMERS: [Abstract]

Concentration Risk Disclosure [Text Block]

NOTE 19—CONCENTRATION OF CREDIT RISK AND MAJOR CUSTOMERS:

CONSOL Energy markets natural gas primarily to gas wholesalers and thermal coal principally to electric utilities in the United States.

Concentration of credit risk is summarized below:

	December 31,
	2016		2015
Gas wholesalers	$	124,509	$	72,664
Thermal coal utilities	62,525		58,281
Coal brokers and distributors	28,955		14,435
Other	4,233		6,003
Total Accounts Receivable Trade	$	220,222	$	151,383

No sales to any E&P or coal customer exceeded 10% of the Company's revenues during the year ended December 31, 2016.

During the year ended December 31, 2015, coal sales to Duke Energy were $242,020, which comprised over 10% of the Company's revenues.

During the year ended December 31, 2014, E&P sales to NJR Energy Services Company were $295,779, which comprised over 10% of the Company's revenues.