REGULATORY ACCOUNTING (Tables)

3 Months Ended

Mar. 31, 2018

The components of regulatory assets were as follows:



Eversource	As of March 31, 2018		As of December 31, 2017
(Millions of Dollars)	As of March 31, 2018		As of December 31, 2017
Benefit Costs	$	2,033.5	$	2,068.8
Income Taxes, Net	727.1		768.9
Deferred Costs from Generation Asset Sale	539.6		516.1
Storm Restoration Costs	544.4		404.8
Regulatory Tracker Mechanisms	461.1		509.9
Derivative Liabilities	388.0		367.2
Goodwill-related	361.0		365.2
Asset Retirement Obligations	88.9		101.0
Other Regulatory Assets	195.1		137.4
Total Regulatory Assets	5,338.7		5,239.3
Less: Current Portion	683.2		741.9
Total Long-Term Regulatory Assets	$	4,655.5	$	4,497.4



	As of March 31, 2018						As of December 31, 2017
(Millions of Dollars)	CL&P		NSTAR Electric		PSNH		CL&P		NSTAR Electric		PSNH
Benefit Costs	$	460.6	$	549.9	$	208.6	$	469.2	$	560.7	$	212.3
Income Taxes, Net	451.8		115.6		20.5		453.8		113.2		21.7
Deferred Costs from Generation Asset Sale	—		—		539.6		—		—		516.1
Storm Restoration Costs	254.4		246.4		43.6		216.7		146.6		41.5
Regulatory Tracker Mechanisms	118.0		221.4		107.7		85.3		273.0		116.4
Derivative Liabilities	386.5		—		—		362.3		—		—
Goodwill-related	—		310.0		—		—		313.6		—
Asset Retirement Obligations	30.8		39.8		3.4		30.3		39.0		17.0
Other Regulatory Assets	27.2		81.2		15.3		27.6		78.4		15.8
Total Regulatory Assets	1,729.3		1,564.3		938.7		1,645.2		1,524.5		940.8
Less: Current Portion	229.7		277.0		122.5		200.3		333.9		130.1
Total Long-Term Regulatory Assets	$	1,499.6	$	1,287.3	$	816.2	$	1,444.9	$	1,190.6	$	810.7

Schedule of Regulatory Liabilities

The components of regulatory liabilities were as follows:



Eversource	As of March 31, 2018		As of December 31, 2017
(Millions of Dollars)	As of March 31, 2018		As of December 31, 2017
Excess ADIT due to Tax Cuts and Jobs Act	$	2,895.9	$	2,882.0
Cost of Removal	522.8		502.1
Benefit Costs	128.0		132.3
Regulatory Tracker Mechanisms	216.8		136.7
AFUDC - Transmission	67.6		67.1
Revenue Subject to Refund ⁽¹⁾	26.0		—
Other Regulatory Liabilities	52.6		45.2
Total Regulatory Liabilities	3,909.7		3,765.4
Less: Current Portion	206.0		128.1
Total Long-Term Regulatory Liabilities	$	3,703.7	$	3,637.3



	As of March 31, 2018						As of December 31, 2017
(Millions of Dollars)	CL&P		NSTAR Electric		PSNH		CL&P		NSTAR Electric		PSNH
Excess ADIT due to Tax Cuts and Jobs Act	$	1,031.6	$	1,091.1	$	405.1	$	1,031.6	$	1,087.9	$	405.1
Cost of Removal	34.4		298.5		39.0		23.2		293.8		37.9
Benefit Costs	—		109.0		—		—		112.6		—
Regulatory Tracker Mechanisms	55.9		89.2		15.1		34.6		77.8		5.0
AFUDC - Transmission	48.5		19.1		—		48.8		18.3		—
Revenue Subject to Refund ⁽¹⁾	12.5		3.7		3.1		—		—		—
Other Regulatory Liabilities	20.4		8.7		2.9		12.9		3.7		2.7
Total Regulatory Liabilities	1,203.3		1,619.3		465.2		1,151.1		1,594.1		450.7
Less: Current Portion	66.9		89.2		15.6		39.0		79.6		6.3
Total Long-Term Regulatory Liabilities	$	1,136.4	$	1,530.1	$	449.6	$	1,112.1	$	1,514.5	$	444.4

(1)

The regulatory liability balance represents a reserve established to reflect the difference between the 35 percent federal corporate income tax rate included in rates charged to customers and the 21 percent federal income tax rate, effective January 1, 2018 as a result of the Tax Cuts and Jobs Act. Effective February 1, 2018, NSTAR Electric's base rates charged to customers have been adjusted to reflect the new federal income tax rate.