Note: In April of 2014, S.B. 1189 created the voluntary Distributed Energy Resource Program and mandated that the Public Service Commission write new net metering rules that will supersede all old rules. Customer-generators already a part of net-metering agreements may remain in these existing programs until December 31, 2020. The latest net metering details are available in PSC Docket 2014-246 E.
In August 2009, the South Carolina Public Service Commission issued an order mandating net metering be made available by the regulating utilities; the order incorporates a net metering settlement signed by the individual interveners, the Office of Regulatory Staff and the three investor-owned utilities (IOUs). The order detailed the terms of net metering, including the ownership of RECs in South Carolina and standardized the structure of net metering programs offered by the IOUs.
Net excess generation (NEG) is credited to the customer's next bill at the utility's retail rate, and then surrendered to the utility annually at the beginning of each summer season on June 1. Net-metered customers' on-peak generation (under the TOU tariff) may be used to offset off-peak consumption, but not vice versa. Significantly, these tariffs involve additional charges that do not apply to customers who do not net meter. Duke Energy requires net-metered customers to switch to a TOU tariff (which incorporates potentially high demand charges into its fee structure) or charges customers additional monthly fees, including stand-by charges.
Systems must comply with the South Carolina Standard for Interconnecting Small Generation 100 kW or less with Electric Power Systems (EPS). For more information, see the utility's program web site.
|Incentive Type:||Net Metering|
|Eligible Renewable/Other Technologies:||
|Applicable Utilities:||Duke Energy|
|System Capacity Limit:||100 kW for non-residential; 20 kW for residential|
|Aggregate Capacity Limit:||0.2% of utility's SC jurisdictional retail peak demand for previous calendar year|
|Net Excess Generation:||Credited to customer's next bill at applicable time-of-use rate or less; granted to utility annually on June 1|
|Ownership of Renewable Energy Credits:||Customer owns RECs until REC market emerges, at which point utilities own RECs|
|Meter Aggregation:||Not addressed|
|Name:||Customer Service - Duke Energy|
PO Box 1090
Charlotte NC 28201
This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.
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