| Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 |
|---|
| Operating revenue | - | 133,205 | 141,795 | 145,775 |
|---|
| Electric utility operating revenue | - | 133,205 | 141,795 | 145,775 |
|---|
| Other business operating revenue | - | 398 | 409 | 372 |
|---|
| Operating expenses | 1 | 86,972 | 97,598 | 93,828 |
|---|
| Electric utility operating expenses | 1 | 86,972 | 97,598 | 93,828 |
|---|
| Other business operating expenses | - | 409 | 405 | 391 |
|---|
| Operating profit (loss) | -1 | 46,233 | 44,197 | 51,946 |
|---|
| Non-operating income | - | 642 | 748 | 1,058 |
|---|
| Interest income | - | 441 | 370 | 646 |
|---|
| Insurance claim income | - | 92 | 233 | 171 |
|---|
| Other | - | 15 | 76 | 69 |
|---|
| Non-operating expenses | - | 2,772 | 1,704 | 3,652 |
|---|
| Interest expenses | - | 1,181 | 961 | 1,241 |
|---|
| Share of loss of entities accounted for using equity method | - | 139 | 1,034 | 160 |
|---|
| Loss on valuation of securities | - | 1,078 | 334 | - |
|---|
| Impairment losses | - | - | - | 1,276 |
|---|
| Other | - | 589 | 775 | 1,166 |
|---|
| Ordinary revenue | - | 133,848 | 142,544 | 146,833 |
|---|
| Ordinary expenses | 1 | 89,744 | 99,303 | 97,481 |
|---|
| Ordinary profit (loss) | -1 | 44,104 | 43,241 | 49,352 |
|---|
| Profit (loss) before income taxes | -1 | 44,104 | 40,248 | 49,352 |
|---|
| Income taxes - current | - | 11,026 | 8,917 | 12,207 |
|---|
| Income taxes - deferred | - | -13,350 | 2,225 | 942 |
|---|
| Income taxes | -1 | -2,323 | 11,143 | 13,149 |
|---|
| Profit (loss) | -1 | 46,427 | 29,105 | 36,202 |
|---|
| Profit (loss) attributable to non-controlling interests | - | 618 | 605 | 503 |
|---|
| Profit (loss) attributable to owners of parent | - | 48,614 | 32,935 | 37,005 |
|---|