| Closing Price ($) | Shares Out (MM) | Market Cap ($MM) |
| $90.25 | 493 | $44,533 |
| 10-Q | 2019-06-30 | Quarter: 2019-06-30 |
| 10-Q | 2019-03-31 | Quarter: 2019-03-31 |
| 10-K | 2018-12-31 | Annual: 2018-12-31 |
| 10-Q | 2018-09-30 | Quarter: 2018-09-30 |
| 10-Q | 2018-06-30 | Quarter: 2018-06-30 |
| 10-Q | 2018-03-31 | Quarter: 2018-03-31 |
| 10-K | 2017-12-31 | Annual: 2017-12-31 |
| 10-Q | 2017-09-30 | Quarter: 2017-09-30 |
| 10-Q | 2017-06-30 | Quarter: 2017-06-30 |
| 10-Q | 2017-03-31 | Quarter: 2017-03-31 |
| 10-K | 2016-12-31 | Annual: 2016-12-31 |
| 10-Q | 2016-09-30 | Quarter: 2016-09-30 |
| 10-Q | 2016-06-30 | Quarter: 2016-06-30 |
| 10-Q | 2016-03-31 | Quarter: 2016-03-31 |
| 10-K | 2015-12-31 | Annual: 2015-12-31 |
| 10-Q | 2015-09-30 | Quarter: 2015-09-30 |
| 10-Q | 2015-06-30 | Quarter: 2015-06-30 |
| 10-Q | 2015-03-31 | Quarter: 2015-03-31 |
| 10-K | 2014-12-31 | Annual: 2014-12-31 |
| 10-Q | 2014-09-30 | Quarter: 2014-09-30 |
| 10-Q | 2014-06-30 | Quarter: 2014-06-30 |
| 10-Q | 2014-03-31 | Quarter: 2014-03-31 |
| 10-K | 2013-12-31 | Annual: 2013-12-31 |
| 8-K | 2019-09-17 | Officers |
| 8-K | 2019-07-25 | Earnings, Exhibits |
| 8-K | 2019-04-25 | Earnings, Exhibits |
| 8-K | 2019-04-23 | Amend Bylaw, Shareholder Vote, Exhibits |
| 8-K | 2019-03-14 | Enter Agreement, Off-BS Arrangement, Exhibits |
| 8-K | 2019-01-24 | Earnings, Exhibits |
| 8-K | 2019-01-24 | Earnings, Exhibits |
| 8-K | 2018-11-30 | Other Events, Exhibits |
| 8-K | 2018-10-25 | Earnings, Exhibits |
| 8-K | 2018-10-17 | Off-BS Arrangement |
| 8-K | 2018-07-25 | Earnings, Exhibits |
| 8-K | 2018-04-24 | Shareholder Vote |
| 8-K | 2018-01-25 | Earnings, Exhibits |
| ES | Eversource Energy | 25,527 |
| EIX | Edison | 23,533 |
| AES | AES | 10,036 |
| POR | Portland General Electric | 5,025 |
| TERP | Terraform Power | 3,578 |
| NEP | Nextera Energy Partners | 2,873 |
| MGEE | MGE Energy | 2,631 |
| CVA | Covanta Holding | 2,198 |
| EZT | Entergy Texas | 0 |
| EBR | Brazilian Electric Power | 0 |
| Part II. Other Information |
| Item 1. Legal Proceedings |
| Item 1A. Risk Factors |
| Item 2. Unregistered Sales of Equity Securities and Use of Proceeds |
| Item 3. Defaults Upon Senior Securities |
| Item 4. Mine Safety Disclosures |
| Item 5. Other Information |
| Item 6. Exhibits |
| EX-3 | ex3aep20192q.htm |
| EX-10 | ex1020192q.htm |
| EX-31.A | ex31aaep20192q.htm |
| EX-31.A | ex31aaeptco20192q.htm |
| EX-31.A | ex31aaeptexas20192q.htm |
| EX-31.A | ex31aapco20192q.htm |
| EX-31.A | ex31aim20192q.htm |
| EX-31.A | ex31aopco20192q.htm |
| EX-31.A | ex31apso20192q.htm |
| EX-31.A | ex31aswepco20192q.htm |
| EX-31.B | ex31baep20192q.htm |
| EX-31.B | ex31baeptco20192q.htm |
| EX-31.B | ex31baeptexas20192q.htm |
| EX-31.B | ex31bapco20192q.htm |
| EX-31.B | ex31bim20192q.htm |
| EX-31.B | ex31bopco20192q.htm |
| EX-31.B | ex31bpso20192q.htm |
| EX-31.B | ex31bswepco20192q.htm |
| EX-32.A | ex32aaep20192q.htm |
| EX-32.A | ex32aaeptco20192q.htm |
| EX-32.A | ex32aaeptexas20192q.htm |
| EX-32.A | ex32aapco20192q.htm |
| EX-32.A | ex32aim20192q.htm |
| EX-32.A | ex32aopco20192q.htm |
| EX-32.A | ex32apso20192q.htm |
| EX-32.A | ex32aswepco20192q.htm |
| EX-32.B | ex32baep20192q.htm |
| EX-32.B | ex32baeptco20192q.htm |
| EX-32.B | ex32baeptexas20192q.htm |
| EX-32.B | ex32bapco20192q.htm |
| EX-32.B | ex32bim20192q.htm |
| EX-32.B | ex32bopco20192q.htm |
| EX-32.B | ex32bpso20192q.htm |
| EX-32.B | ex32bswepco20192q.htm |
| EX-95 | ex9520192q.htm |
| Balance Sheet | Income Statement | Cash Flow |
|---|---|---|