| Component: (Network and Table) | |
|---|---|
| Network | 40601 - Disclosure - Inventory 10-K (Details) (http://www.atlanticpower.com/role/DisclosureInventory10KDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001419242 (http://www.sec.gov/CIK) |
| Inventory | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
Inventory | ||
Parts and other consumables | ||
Fuel | ||
Total inventory | 16,000,000 | 16,900,000 |