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Environmental Commitments and Contingencies | 3 Months Ended
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Mar. 31, 2018
Environmental Remediation Obligations [Abstract] |
Environmental Commitments and Contingencies | Environmental Commitments and Contingencies We are subject to federal, state and local laws and regulations governing environmental quality and pollution control. These laws and regulations require us to remove or remediate, at current and former operating sites, the effect on the environment of the disposal or release of specified substances. MGP Sites We have participated in the investigation, assessment or remediation of, and have exposures at, seven former MGP sites. Those sites are located in Salisbury, Maryland; Seaford, Delaware; and Winter Haven, Key West, Pensacola, Sanford and West Palm Beach, Florida. We have also been in discussions with the MDE regarding another former MGP site located in Cambridge, Maryland. As of March 31, 2018, we had approximately $9.6 million in environmental liabilities related to FPU’s MGP sites in Florida, which include the Key West, Pensacola, Sanford and West Palm Beach sites. FPU has approval to recover, from insurance and from customers through rates, up to $14.0 million of its environmental costs related to its MGP sites. Approximately $11.1 million has been recovered as of March 31, 2018, leaving approximately $2.9 million in regulatory assets for future recovery of environmental costs from FPU’s customers. Environmental liabilities for our MGP sites are recorded on an undiscounted basis based on the estimate of future costs provided by independent consultants. We continue to expect that all costs related to environmental remediation and related activities, including any potential future remediation costs for which we do not currently have approval for regulatory recovery, will be recoverable from customers through rates. The following is a summary of our remediation status and estimated costs to implement clean-up of our key MGP sites:
Jurisdiction | MGP Site | Status | Cost to Clean up | Recovery through Rates
Florida | West Palm Beach | Remedial actions approved by the FDEP have been implemented on the east parcel of the site. Similar remedial actions expected to be implemented on other remaining portions. | Between $4.5 million to $15.4 million, including costs associated with the relocation of FPU’s operations at this site, which is necessary to implement the remedial plan, and any potential costs associated with future redevelopment of the properties. | Yes
Florida | Sanford | In March 2018, the EPA approved a "site-wide ready for anticipated use" status, which is the final step before delisting a site. Construction has been completed and restrictive covenants are in place to ensure protection of human health. The only remaining activity is long-term groundwater monitoring. It is unlikely that FPU will incur any significant future costs associated with the site. | FPU's remaining remediation expenses, including attorneys' fees and costs, are anticipated to be less than $10,000. | Yes
Florida | Winter Haven | Remediation is ongoing. | Not expected to exceed $425,000, which includes costs of implementing institutional controls at the site. | Yes
Delaware | Seaford | Proposed plan for implementation approved by the DNREC in July 2017. | Between $273,000 and $465,000. | Yes
Maryland | Cambridge | Currently in discussions with the MDE. | Unable to estimate. | N/A

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- Definition The entire disclosure for environmental loss contingencies, such as presence of hazardous waste, relevant information from reports issued by regulators, and estimated costs to achieve compliance with regulatory requirements. This element may be used for all of an entity's disclosures about environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2175709 + Details
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