Rendering
| Component: (Network and Table) |
|---|
| Network | 100410 - Disclosure - Asset Retirement Obligations (Tables) (http://www.tecoenergy.com/20161231/taxonomy/role/DisclosureAssetRetirementObligationsTables) |
| Table | (Implied) |
Slicers (applies to each fact value in each table cell)
| Reporting Entity [Axis] | 0000096271 (http://www.sec.gov/CIK) |
| Asset Retirement Obligation Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Asset Retirement Obligation Disclosure [Abstract] | |
Schedule of Asset Retirement Obligations |
Reconciliation of beginning and ending carrying amount of asset retirement obligations:
|
|
|
December 31, |
|
|
(millions) |
|
2016 |
|
|
2015 |
|
|
Beginning balance |
|
$ |
6.0 |
|
|
$ |
5.3 |
|
|
Additional liabilities (1) |
|
|
36.4 |
|
|
|
0.9 |
|
|
Revisions to estimated cash flows |
|
|
2.6 |
|
|
|
(0.5 |
) |
|
Other (2) |
|
|
(0.1 |
) |
|
|
0.3 |
|
|
Ending balance |
|
$ |
44.9 |
|
|
$ |
6.0 |
|
|
|
(1) |
Tampa Electric produces ash and other by-products, collectively known as CCRs, at its Big Bend and Polk power stations. The increase in the ARO in 2016 is to achieve compliance with the EPA’s CCR rule, which contains design and operating standards for CCR management units. In 2016, the FPSC approved Tampa Electric’s proposed CCR compliance program for cost recovery through the ECRC. However, additional petitions will be submitted for recovery of future project expense based on engineering studies currently being performed. |
|
|
(2) |
Includes accretion recorded as a deferred regulatory asset. | |