Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term debt as of December 31 was as follows:

Description	Rate	Maturity	2023		2022
SJW Group Senior notes (a)	2.47% - 3.53%	2029 - 2039	560,000		560,000
SJWC:
Senior notes (a)	3.00% - 7.37%	2024 - 2053	470,000		400,000
California Pollution Control Financing Authority Revenue Bond	4.75%	2046	70,000		70,000
Total SJWC			540,000		470,000
CTWS bank term loans	4.09%, 4.15%	2027, 2037	16,457		18,444
CWC:
Connecticut Innovations Revenue Bonds, variable rate		2028 - 2029	22,050		22,050
Senior notes (a)	3.07% - 4.71%	2037 - 2052	195,000		195,000
Bank term loans	4.04% - 4.75%	2028 - 2036	96,295		96,295
Total CWC			313,345		313,345
TWC:
Senior note (a)	6.27%	2036	15,000		15,000
Bank term loans	4.01% - 5.54%	2041, 2052	45,000		45,000
Total TWC			60,000		60,000
TWR seller financing debt	5.61%	2053	29,000		—
MWC:
State revolving fund loans	0.00% - 2.23%	2023 - 2048	14,239		15,699
Other First Mortgage Bond	8.95%	2024	900		1,800
Bank term loans	3.89% - 5.51%	2024 - 2043	49,500		49,500
Total MWC			64,639		66,999
Total debt			1,583,441		1,488,788
Unamortized debt premium and discount, net			1,583		17,396
Unamortized debt issuance costs			(9,350)		(9,859)
Current portion			(48,975)		(4,360)
Total long-term debt, less current portion			$	1,526,699	1,491,965

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(a)Senior notes held by institutional investors are unsecured obligations of SJW Group, SJWC, CWC, TWC and MWC and require interest-only payments until maturity. To minimize issuance costs, the companies’ debt has primarily been placed privately.

Schedule of Maturities of Long-term Debt

The following is a table of the consolidated company’s schedule of principal payments:

Year
2024	48,975
2025	3,648
2026	23,740
2027	2,995
2028	44,486
Thereafter	1,459,597