|NRG ENERGY, INC. filed this Form 10-K on 03/01/2018|
The target allocations of NRG's pension plan assets were as follows for the year ended December 31, 2017:
Plan assets are currently invested in a diversified blend of equity and fixed-income investments. Furthermore, equity investments are diversified across U.S., non-U.S., global, and emerging market equities, as well as among growth, value, small and large capitalization stocks.
Investment risk and performance are monitored on an ongoing basis through quarterly portfolio reviews of each asset fund class to a related performance benchmark, if applicable, and annual pension liability measurements. Performance benchmarks are composed of the following indices:
NRG's expected future benefit payments for each of the next five years, and in the aggregate for the five years thereafter, are as follows:
Assumed health care cost trend rates have a significant effect on the amounts reported for the health care plans. A one-percentage-point change in assumed health care cost trend rates would have the following effect:
STP Defined Benefit Plans
NRG has a 44% undivided ownership interest in STP, as discussed further in Note 27, Jointly Owned Plants. STPNOC, which operates and maintains STP, provides its employees a defined benefit pension plan as well as postretirement health and welfare benefits. Although NRG does not sponsor the STP plan, it reimburses STPNOC for 44% of the contributions made towards its retirement plan obligations. For the year ended December 31, 2017, NRG reimbursed STPNOC $8 million towards its defined benefit plans. For the year ended December 31, 2016, NRG reimbursed STPNOC $7 million towards its defined benefit plans. In 2018, NRG expects to reimburse STPNOC $6 million for its contribution towards the plans.