# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-25-017154
Filing Date
2025-02-10
Accepted
2025-02-10 17:00:34
Documents
93
Period of Report
2024-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | utl-20241231.htm iXBRL | 10-K | 5357540
2 | EX-10.23 | utl-ex10_23.htm | EX-10.23 | 30226
3 | EX-19.2 | utl-ex19_2.htm | EX-19.2 | 91599
4 | EX-21.1 | utl-ex21_1.htm | EX-21.1 | 3799
5 | EX-23.1 | utl-ex23_1.htm | EX-23.1 | 7646
6 | EX-31.1 | utl-ex31_1.htm | EX-31.1 | 16715
7 | EX-31.2 | utl-ex31_2.htm | EX-31.2 | 16548
8 | EX-31.3 | utl-ex31_3.htm | EX-31.3 | 16691
9 | EX-32.1 | utl-ex32_1.htm | EX-32.1 | 29841
10 | EX-99.1 | utl-ex99_1.htm | EX-99.1 | 370024
11 | GRAPHIC | img121274776_0.jpg | GRAPHIC | 5351
12 | GRAPHIC | img138359329_0.jpg | GRAPHIC | 5449
13 | GRAPHIC | img138464607_0.gif | GRAPHIC | 23184
| Complete submission text file | 0000950170-25-017154.txt |  | 24507838

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
14 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | utl-20241231.xsd | EX-101.SCH | 2337448
96 | EXTRACTED XBRL INSTANCE DOCUMENT | utl-20241231_htm.xml | XML | 6305233

Mailing Address 6 LIBERTY LANE WEST HAMPTON NH 03842
Business Address 6 LIBERTY LANE WEST HAMPTON NH 03842 6037736504
UNITIL CORP (Filer) CIK: 0000755001 (see all company filings)

EIN.: 020381573 | State of Incorp.: NH | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-08858 | Film No.: 25606482
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)