| Schedule of Long-Term Debt |
Long-term debt consists of the following:
| | | | | | | | | | | | | | | | | | June 30, 2017 | | September 30, 2016 | | Principal | | Unamortized Debt Issuance Costs | | Principal | | Unamortized Debt Issuance Costs | Roanoke Gas Company: | | | | | | | | Unsecured senior notes payable, at 4.26% due on September 18, 2034 | $ | 30,500,000 |
| | $ | 166,533 |
| | $ | 30,500,000 |
| | $ | 173,773 |
| Unsecured term note payable, at 30-day LIBOR plus 0.90%, due November 1, 2021 | 7,000,000 |
| | 14,451 |
| | — |
| | — |
| RGC Midstream, LLC: | | | | | | | | Unsecured term notes payable, at 30-day LIBOR plus 1.60%, due December 29, 2020 | 5,320,200 |
| | 71,133 |
| | 3,396,200 |
| | 86,376 |
| Total notes payable | $ | 42,820,200 |
| | $ | 252,117 |
| | $ | 33,896,200 |
| | $ | 260,149 |
| Line-of-credit, at 30-day LIBOR plus 1.00%, due March 31, 2019 | $ | 10,516,426 |
| | $ | — |
| | $ | — |
| | $ | — |
| Total long-term debt | $ | 53,336,626 |
| | $ | 252,117 |
| | $ | 33,896,200 |
| | $ | 260,149 |
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