UNITIL CORP (UTL) [Rocket]

In millions, except per share items	Dec-31-21	Dec-31-20	Dec-31-19	Dec-31-18	Dec-31-17	Dec-31-16	Dec-31-15	Dec-31-14
	10-K	10-K	10-K	10-K	10-K	10-K	10-K	10-K
Assets [Abstract]
Current Assets:
Cash and Cash Equivalents	6.5	6.0	5.2	7.8	8.9	5.8	8.7	8.4
Accounts Receivable, Net	66.9	62.0	55.1	66.8	67.4	52.9	49.8	60.7
Exchange Gas Receivable	7.4	4.9	6.1	8.1	5.8	8.3	11.1	15.0
Gas Inventory	1.0	0.6	0.8	0.8	0.6
Materials and Supplies	8.6	8.5	7.9	7.0	6.9	6.8
Prepayments and Other	8.1	6.4	5.8	7.0	8.4	7.7	11.7	11.5
Total Current Assets	159.7	139.3	130.9	152.2	151.3	131.6	120.5	145.2

Utility Plant:
Electric	602.4	575.9	529.7	500.1	476.7	437.9	408.4	390.6
Gas	972.6	920.2	837.7	760.6	699.6	629.5	576.8	522.9
Common	66.4	64.1	62.7	83.1	67.4	35.8	35.5	32.7
Construction Work in Progress	47.5	34.8	37.4	25.5	35.5	70.2	59.9	42.6
Less: Accumulated Depreciation	431.7	401.8	356.0	332.5	307.7	290.0	271.7	255.1
Net Utility Plant	1,257.2	1,193.2	1,111.5	1,036.8	971.5	883.4	808.9	733.7

Other Noncurrent Assets:
Regulatory Assets	108.9	127.4	112.0	99.0	109.6	104.1	99.6	107.6
Operating Lease Right of Use Assets	4.7	5.2	4.0
Other Assets	9.8	12.8	12.4	10.3	9.5	9.1	9.8	13.7
Total Other Noncurrent Assets	123.4	145.4	128.4	109.3
TOTAL ASSETS	1,540.3	1,477.9	1,370.8	1,298.3	1,241.9	1,128.2	1,038.8	1,000.2

Liabilities and Equity [Abstract]
Current Liabilities:
Accounts Payable	52.4	33.2	37.6	42.6	41.5	32.4	33.3	44.2
Short-Term Debt	64.1	54.7	58.6	82.8	38.3	81.9	42.0	29.3
Long-Term Debt, Current Portion	8.2	8.5	19.5	18.4	29.8	16.8	17.1	4.0
Regulatory Liabilities	9.5	5.5	7.4	11.5	9.2	10.4
Energy Supply Obligations	14.5	10.4	10.5	13.4	9.7	12.0
Interest Payable
Environmental Obligations	0.5	0.3	0.6	0.6
Other Current Liabilities	24.3	23.5	25.6	23.2	18.9	20.0	17.3	13.9
Total Current Liabilities	173.5	136.1	159.8	192.5	151.0	176.9	144.3	129.4

Noncurrent Liabilities:
Retirement Benefit Obligations	133.9	162.3	141.9	121.5	150.1	149.0	124.4	118.6
Deferred Income Taxes, Net	127.7	109.0	103.6	97.8	82.9	97.9	87.5	72.9
Cost of Removal Obligations	107.5	105.2	96.0	90.7	84.3	77.0	70.1	63.8
Regulatory Liabilities	42.6	44.3	46.6	47.0	48.9	2.6	8.1	0.1
Environmental Obligations	2.2	1.8	2.1	1.4	1.6
Other Noncurrent Liabilities	6.6	6.9	6.5	8.7	4.3	5.1	3.6	3.7
Total Noncurrent Liabilities	1,214.4	1,225.3	1,096.4	1,011.6	991.0	859.5	807.6	754.2

Capitalization:
Long-Term Debt, Less Current Portion	497.8	523.1	437.5	387.4	376.3	316.8	305.5	328.9

Stockholders' Equity:
Common Equity	332.1	285.3	282.5	279.1	275.8	240.7
Retained Earnings	116.2	103.7	94.1	72.0	60.8	52.2	45.1	38.4
Total Common Stock Equity	448.3	389.0	376.6	351.1	336.6	292.9	282.6	273.1
Preferred Stock	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
Total Stockholders' Equity	448.5	389.2	376.8	351.3	336.8	293.1	282.8	273.3
Total Capitalization	946.3	912.3	814.3	738.7	713.1	609.9	588.3	602.2

Commitments and Contingencies (Notes 6 & 7)
TOTAL LIABILITIES AND CAPITALIZATION	1,540.3	1,477.9	1,370.8	1,298.3	1,241.9	1,128.2	1,038.8	1,000.2