Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v3.24.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Domestic and Foreign Income Taxes
The following table sets forth components of income before income taxes: 
Year Ended December 31,
  2023 2022 2021
Domestic $ 30,211  $ 98,004  $ 74,256 
Foreign 8,058  7,715  3,888 
Income before income taxes $ 38,269  $ 105,719  $ 78,144 
Income Tax Provision (Benefit)
The components of the provision (benefit) for income taxes were as follows: 
Year Ended December 31,
  2023 2022 2021
Current income tax provision (benefit):          
Federal $ 34  $ (722) $ (779)
State 372  733  1,779 
Foreign 1,255  1,202  844 
Total current 1,661  1,213  1,844 
Deferred income tax (benefit) provision:
Federal (22,677) 2,528  (8,025)
State (5,657) 2,300  3,561 
Foreign 1,038  1,129  573 
Total deferred (27,296) 5,957  (3,891)
Total income tax (benefit) provision $ (25,635) $ 7,170  $ (2,047)
Deferred Income Tax Assets and Liabilities
Deferred tax assets and liabilities consisted of the following:
December 31,
  2023 2022
Deferred income tax assets:      
Compensation accruals $ 4,137  $ 3,306 
Reserves 5,906  4,111 
Sale-leasebacks and other accruals 49,300  32,945 
Net operating losses 28,565  18,395 
Interest limitation 8,273  — 
Energy efficiency 82,827  71,433 
Deferred revenue 2,114  2,132 
Gross deferred income tax assets 181,122  132,322 
Valuation allowance (3,704) (3,621)
Total deferred income tax assets $ 177,418  $ 128,701 
Deferred income tax liabilities:
Depreciation $ (137,966) $ (122,762)
Deferred effect of derivative liability (2,166) (1,640)
Canadian capital cost, allowance and amortization (5,738) (3,098)
Italy intangibles (1,324) — 
United Kingdom goodwill amortization (852) (952)
Outside basis difference (6,599) (5,038)
Interest rate swaps (841) (1,347)
Total deferred income tax liabilities (155,486) (134,837)
Deferred income tax assets (liabilities), net $ 21,932  $ (6,136)
Summary of Valuation Allowance
Our valuation allowance related to the following items:
December 31,
2023 2022
Interest rate swaps (1)
$ —  $ 49 
Foreign net operating loss (2)
3,702  3,555 
State net operating loss at one of our subsidiaries (3)
17 
Total valuation allowance $ 3,704  $ 3,621 
(1) The deferred tax asset represents a future capital loss which can only be recognized for income tax purposes to the extent of capital gain income. Although we anticipate sufficient future taxable income, it is more likely than not that it will not be the appropriate character to allow for the recognition of the future capital loss.
(2) It is more likely than not that we will not generate sufficient taxable income at the foreign subsidiary level to utilize the net operating loss.
(3) It is more likely than not that we will not generate sufficient taxable income at the subsidiary level to utilize the net operating loss.
Summary of Operating Loss Carryforwards
As of December 31, 2023, we had the following tax loss and credit carryforwards to offset taxable income in prior and future years:
Amount Expiration Period
Federal net operating loss carryforwards $ 69,130  Indefinite
State net operating loss carryforwards 91,411   Various
Canadian net operating loss carryforwards 32,527  2028 through 2043
Ireland net operating loss carryforwards 324  Indefinite
Spain net operating loss carryforwards 2,302  Indefinite
Total tax loss carryforwards $ 195,694 
Federal Energy Investment and Production tax credit carryforward $ 82,768 
2030 through 2043
Summary of Tax Credit Carryforwards
As of December 31, 2023, we had the following tax loss and credit carryforwards to offset taxable income in prior and future years:
Amount Expiration Period
Federal net operating loss carryforwards $ 69,130  Indefinite
State net operating loss carryforwards 91,411   Various
Canadian net operating loss carryforwards 32,527  2028 through 2043
Ireland net operating loss carryforwards 324  Indefinite
Spain net operating loss carryforwards 2,302  Indefinite
Total tax loss carryforwards $ 195,694 
Federal Energy Investment and Production tax credit carryforward $ 82,768 
2030 through 2043
Reconciliation of Effective Tax Rates
The following is a reconciliation of the effective tax rates:
Year Ended December 31,
  2023   2022   2021
Income before (benefit) provision for income taxes $ 38,269    $ 105,719  $ 78,144 
Federal statutory tax expense $ 8,036    $ 22,201  $ 16,410 
State income taxes, net of federal benefit (774)   3,844  2,648 
Net state impact of deferred rate change (3,213)   (575) (502)
Nondeductible expenses 667    2,198  2,572 
Impact of reserve for uncertain tax positions (200) 59  286 
Stock-based compensation expense   353  (4,618)
Energy efficiency preferences (30,359)   (21,410) (17,639)
Foreign items and rate differential 458    37 
Adjustment State Taxes (66) —  — 
Redeemable non-controlling interests (227) (411) (2,546)
Valuation allowance 81  (159) 337 
Miscellaneous (42)   1,033  1,001 
Total income tax (benefit) provision $ (25,635)   $ 7,170    $ (2,047)
Effective tax rate:          
Federal statutory rate expense 21.0  % 21.0  % 21.0  %
State income taxes, net of federal benefit (2.0) % 3.6  % 3.4  %
Net state impact of deferred rate change (8.4) % (0.5) % (0.6) %
Nondeductible expenses 1.7  % 2.1  % 3.3  %
Impact of reserve for uncertain tax positions (0.5) % 0.1  % 0.4  %
Stock-based compensation expense —  % 0.3  % (5.9) %
Energy efficiency preferences (79.3) % (20.3) % (23.2) %
Foreign items and rate differential 1.2  % —  % —  %
Adjustment State Taxes (0.2) % —  % —  %
Redeemable non-controlling interests (0.6) % (0.4) % (3.3) %
Valuation allowance 0.2  % (0.2) % 0.4  %
Miscellaneous (0.1) % 1.1  % 1.9  %
Effective tax rate (67.0) % 6.8  % (2.6) %
Unrecognized Tax Benefits
The following table provides a reconciliation of gross unrecognized tax benefits which are included in other liabilities within the consolidated balance sheets:
Year Ended December 31,
  2023   2022
Balance, beginning of year $ 900  $ 900 
Additions for current year tax positions 100  — 
Reductions of prior year tax positions (200) — 
Balance, end of year $ 800  $ 900