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REGULATORY PROCEEDINGS (Tables) | 12 Months Ended
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Dec. 31, 2017
REGULATORY PROCEEDINGS [Abstract] |
Eligible plant improvements | The following table summarizes (1) Artesian Water's applications with the DEPSC to collect DSIC rates and (2) the rates upon which eligible plant improvements are based:
Application Date |  | 11/26/2014 |  |  | 5/28/2015 |  |  | 11/24/2015 |  |  | 05/31/2016 |  |  | 11/29/2016 |
DEPSC Approval Date |  | 12/16/2014 |  |  | 6/16/2015 |  |  | 12/15/2015 |  |  | 06/28/2016 |  |  | 12/20/2016 |
Effective Date |  | 1/1/2015 |  |  | 7/1/2015 |  |  | 01/01/2016 |  |  | 07/01/2016 |  |  | 01/01/2017 |
Cumulative DSIC Rate |  |  | 0.34 | % |  |  | 1.15 | % |  |  | 1.57 | % |  |  | 2.30 | % |  |  | 4.71 | %
Eligible Plant Improvements – Cumulative Dollars (in millions) |  | $ | 1.3 |  |  | $ | 4.6 |  |  | $ | 7.0 |  |  | $ | 10.3 |  |  | $ | 16.6 |
Eligible Plant Improvements – Installed Beginning Date |  | 10/1/2014 |  |  | 10/1/2014 |  |  | 10/01/2014 |  |  | 10/01/2014 |  |  | 10/01/2014 |
Eligible Plant Improvements – Installed Ending Date |  | 10/31/2014 |  |  | 4/30/2015 |  |  | 10/31/2015 |  |  | 04/30/2016 |  |  | 12/20/16 |

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- Definition Tabular disclosure of regulation for public utility entities, including, but not limited to, rate requests, decommissioning costs and the amount of allowance for earnings on equity capitalized for rate making purposes. + References No definition available. + Details
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