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Related Party Transactions	6 Months Ended
Related Party Transactions	Jun. 30, 2016
Related Party Transactions	Related Party Transactions The Utilities perform work and incur expenses on behalf of NY Transco, a company in which CET Electric has a 45.7 percent equity interest (see Note Q). The Utilities bill NY Transco for such work and expenses in accordance with established policies. For the three and six months ended June 30, 2016, the amounts billed by CECONY to NY Transco were immaterial. CECONY has storage and wheeling service contracts with Stagecoach Gas Services LLC (Stagecoach), a joint venture formed by a subsidiary of CET Gas and a subsidiary of Crestwood Equity Partners LP (Crestwood) (see Note Q). In addition, CECONY is the replacement shipper on one of Crestwood’s firm transportation agreements with Tennessee Gas Pipeline Company LLC. Since the formation of the joint venture in June 2016, the amount of storage and wheeling services received by CECONY from Stagecoach was $3 million. CECONY has a financial electric capacity contract with Con Edison Energy for the period May 2016 through April 2017. For the three and six months ended June 30, 2016, Con Edison Energy's realized losses under this contract were immaterial to earnings.
CECONY
Related Party Transactions	Related Party Transactions The Utilities perform work and incur expenses on behalf of NY Transco, a company in which CET Electric has a 45.7 percent equity interest (see Note Q). The Utilities bill NY Transco for such work and expenses in accordance with established policies. For the three and six months ended June 30, 2016, the amounts billed by CECONY to NY Transco were immaterial. CECONY has storage and wheeling service contracts with Stagecoach Gas Services LLC (Stagecoach), a joint venture formed by a subsidiary of CET Gas and a subsidiary of Crestwood Equity Partners LP (Crestwood) (see Note Q). In addition, CECONY is the replacement shipper on one of Crestwood’s firm transportation agreements with Tennessee Gas Pipeline Company LLC. Since the formation of the joint venture in June 2016, the amount of storage and wheeling services received by CECONY from Stagecoach was $3 million. CECONY has a financial electric capacity contract with Con Edison Energy for the period May 2016 through April 2017. For the three and six months ended June 30, 2016, Con Edison Energy's realized losses under this contract were immaterial to earnings.