| Schedule of Investments in and Advances to Affiliates, Schedule of Investments |
Summary of Balances Related to Unconsolidated Affiliates The carrying values of the Partnership’s investments in unconsolidated affiliates as of June 30, 2026 and December 31, 2025 were as follows: | | | | | | | | | | | | | | | | | June 30,
2026 | | December 31,
2025 | | J.C. Nolan | | $ | 117 | | | $ | 121 | | | ET-S Permian | | 1,151 | | | 1,161 | | | SARA | | 132 | | | 141 | | | Isla | | 179 | | | 171 | | | Other | | 31 | | | 30 | | | | $ | 1,610 | | | $ | 1,624 | |
The following table presents equity in earnings (losses) of unconsolidated affiliates: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | | 2026 | | 2025 | | 2026 | | 2025 | | J.C. Nolan | | $ | 1 | | | $ | 1 | | | $ | 3 | | | $ | 3 | | | ET-S Permian | | 42 | | | 30 | | | 79 | | | 60 | | | SARA | | 2 | | | — | | | 3 | | | — | | | Isla | | 2 | | | — | | | 5 | | | — | | | Other | | — | | | — | | | (1) | | | — | | | | $ | 47 | | | $ | 31 | | | $ | 89 | | | $ | 63 | |
The following tables present selected balance sheet and income statement data for ET-S Permian (on a 100% basis): | | | | | | | | | | | | | | | | | June 30,
2026 | | December 31,
2025 | Current assets | | $ | 134 | | | $ | 122 | | | Property, plant and equipment, net | | 3,335 | | | 3,333 | | | Other assets | | 356 | | | 308 | | | Total assets | | $ | 3,825 | | | $ | 3,763 | | | | | | | | Current liabilities | | $ | 247 | | | $ | 159 | | | Non-current liabilities | | 36 | | | 31 | | | Equity | | 3,542 | | | 3,573 | | | Total liabilities and equity | | $ | 3,825 | | | $ | 3,763 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | | 2026 | | 2025 | | 2026 | | 2025 | Revenues (1) | | $ | 9,051 | | | $ | 5,632 | | | $ | 16,189 | | | $ | 9,092 | | | Operating income | | 131 | | | 97 | | | 245 | | | 189 | | | Net income | | 130 | | | 93 | | | 244 | | | 185 | |
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