Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001130310-20-000012-index-headers.html | 2020-02-24 06:31:02 | |
| 0001130310-20-000012-index.html | 2020-02-24 06:31:02 | |
| 0001130310-20-000012.txt | 2020-02-24 06:31:02 | |
 0001130310-20-000012-xbrl.zip | 131826 | 2020-02-24 06:31:02 |
| a8-k101athena.htm | 98971 | 2020-02-24 06:31:02 |
| a8-k101athena_htm.xml | 13999 | 2020-02-24 06:31:02 |
| cnp-20200224.xsd | 5799 | 2020-02-24 06:31:02 |
| cnp-20200224_cal.xml | 664 | 2020-02-24 06:31:02 |
| cnp-20200224_def.xml | 19774 | 2020-02-24 06:31:02 |
| cnp-20200224_lab.xml | 43049 | 2020-02-24 06:31:02 |
| cnp-20200224_pre.xml | 21213 | 2020-02-24 06:31:02 |
 cnplogoa16.jpg | 4768 | 2020-02-24 06:31:02 |
 ecp_logo.jpg | 211605 | 2020-02-24 06:31:02 |
| exhibit21.htm | 766988 | 2020-02-24 06:31:02 |
| exhibit9912.htm | 27064 | 2020-02-24 06:31:02 |
| FilingSummary.xml | 1863 | 2020-02-24 06:31:02 |
| Financial_Report.xlsx | 6318 | 2020-02-24 06:31:02 |
| MetaLinks.json | 26806 | 2020-02-24 06:31:02 |
| R1.htm | 53495 | 2020-02-24 06:31:02 |
| report.css | 2767 | 2020-02-24 06:31:02 |
| Show.js | 1085 | 2020-02-24 06:31:02 |