South Carolina Electric & Gas (SCE&G), in its 2012 integrated resource plan (IRP) filed May 30 with South Carolina state regulators, said it continues to work on coastal clean energy efforts as well as FERC Order 1000 compliance.
The company said it is participating in the regulatory task force for coastal clean energy, which was established with a 2008 grant from the U.S. Department of Energy (DOE). The goal is to identify and overcome existing barriers for coastal clean energy development for wind, wave and tidal energy projects in the state. Efforts include an offshore wind transmission study; a wind, wave and ocean current study; and creation of a regulatory task force that is made up of state and federal regulatory and resource protection agencies, among others, the company added.
SCE&G also said it is working with South Carolina Public Service Authority (Santee Cooper) to develop processes, procedures and systems to achieve compliance with the regional requirements related to FERC Order 1000, which must be completed by October. The company is also working with other neighboring transmission operators to achieve compliance with the interregional requirements, which must be implemented by April 2013.
SCE&G noted that with respect to transmission planning, the final rule requires that each public utility transmission provider participate in a regional transmission planning process that produces a regional transmission plan. It also requires that each public utility transmission provider amend its open access transmission tariff to describe procedures that provide for the consideration of transmission needs driven by public policy requirements in the local and regional transmission planning processes.
Among other things, the final rule also requires that each public utility transmission provider participate in a regional transmission planning process that has, for instance, a regional cost allocation method for the cost of new transmission facilities selected in a regional transmission plan for purposes of cost allocation.
SCE&G said it has an ongoing process to determine the current and future performance level of its transmission system, and numerous internal studies are undertaken that address its customers’ service needs, such as distributed load growth of existing residential, commercial, industrial and wholesale customers.
The company also said it assesses and designs its transmission system to be compliant with NERC requirements.
SCE&G’s transmission system is interconnected with Progress Energy – Carolinas, a subsidiary of Progress Energy (NYSE:PGN), Duke Energy (NYSE:DUK), Santee Cooper, Georgia Power, a subsidiary of Southern Company (NYSE:SO), and the Southeastern Electric Power Administration systems.
The company also said it participates with other transmission planners throughout the Southeast to develop current and future power flow and stability models of the integrated transmission grid for the NERC Eastern Interconnection.
SCE&G participates in assessment studies with neighboring transmission planners in South Carolina, North Carolina and Georgia to ensure its transmission system’s reliability while considering conditions on other systems. SCE&G also said it participates with other transmission planners throughout the Southeast to assess the reliability of the region’s integrated transmission grid for the long-term horizon – up to 10 years – and for upcoming seasonal – summer and winter – system conditions.
Joint studies with neighboring transmission owners completed over the past year include the SCE&G-Duke Tie Line study and the Carolinas Transmission Coordination Arrangement 2015/2018 summer study.
Among other things, SCE&G discussed the Eastern Interconnection Planning Collaborative (EIPC), which involves planning authorities in the Eastern Interconnection to model the impact on the grid of various policy options determined to be of interest by state, provincial and federal policy makers and other stakeholders.
The EIPC stakeholder steering committee in December 2011 completed its report selecting three “futures” for which to conduct transmission studies. That was an interim report in the middle of a 2.5-year study funded by the DOE to look at the Eastern Interconnection transmission system and potential or alternative transmission needs for a long-range future. Phase 2 of the effort will focus on conducting the transmission studies on the three scenarios, including numerous studies on grid reliability.
SCE&G is a subsidiary of SCANA (NYSE:SCG).