Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2016

Commitments and Contingencies

Schedule of physical gas, coal and transportation contracts

The following table sets forth our firm physical gas, coal and transportation contracts for the periods indicated as of March 31, 2016 (in millions).

	Firm physical gas and transportation contracts		Coal and coal transportation contracts
April 1, 2016 through December 31, 2016	$	21.8	$	12.2
January 1, 2017 through December 31, 2018	37.4		26.9
January 1, 2019 through December 31, 2020	28.8		10.5
January 1, 2021 and beyond	45.7		—

Summary of most significant environmental regulations affecting operations

The following list summarizes the most significant environmental regulations affecting our operations:

Regulations

Air Emissions - NOx and SO2

CAIR (Clean Air Interstate Rule)

CSAPR (Cross State Air Pollution Rule)

MATS (Mercury Air Toxic Standards)

NAAQS (National Ambient Air Quality Standards)

Greenhouse Gases (GHGs) — CO2

Surface Impoundments

Coal Ash Impoundments:

Asbury Power Plant

Riverton (capped and closed in 2014 as industrial (coal combustion waste) landfill)

Water Discharges