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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)

IRS No.: 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)