# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-24-014186
Filing Date
2024-02-13
Accepted
2024-02-13 07:00:52
Documents
95
Period of Report
2023-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | utl-20231231.htm iXBRL | 10-K | 4198073
2 | EX-10.20 | utl-ex10_20.htm | EX-10.20 | 29909
3 | EX-19.1 | utl-ex19_1.htm | EX-19.1 | 123796
4 | EX-21.1 | utl-ex21_1.htm | EX-21.1 | 3413
5 | EX-23.1 | utl-ex23_1.htm | EX-23.1 | 7236
6 | EX-31.1 | utl-ex31_1.htm | EX-31.1 | 15048
7 | EX-31.2 | utl-ex31_2.htm | EX-31.2 | 14899
8 | EX-31.3 | utl-ex31_3.htm | EX-31.3 | 15024
9 | EX-32.1 | utl-ex32_1.htm | EX-32.1 | 25689
10 | EX-97.1 | utl-ex97_1.htm | EX-97.1 | 48619
11 | EX-99.1 | utl-ex99_1.htm | EX-99.1 | 243875
12 | GRAPHIC | img121274776_0.jpg | GRAPHIC | 5351
13 | GRAPHIC | img137435808_0.jpg | GRAPHIC | 15740
14 | GRAPHIC | img137541086_0.gif | GRAPHIC | 16212
| Complete submission text file | 0000950170-24-014186.txt |  | 20069425

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
15 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | utl-20231231.xsd | EX-101.SCH | 2290907
97 | EXTRACTED XBRL INSTANCE DOCUMENT | utl-20231231_htm.xml | XML | 4875554

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.: 24622550
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)