Net Metering (Hawaii)

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Last modified on February 12, 2015.

Rules Regulations Policies Program

Place Hawaii

Name Net Metering
Incentive Type Net Metering
Applicable Sector Commercial, Fed. Government, Local Government, Residential, State Government
Eligible Technologies Biomass, Hydroelectric, Photovoltaics, Small Hydroelectric, Wind
Active Incentive Yes

Implementing Sector State/Territory
Energy Category Renewable Energy Incentive Programs
Aggregate Capacity Limit The aggregate capacity of net-metered systems is limited on a per-circuit basis to 15% per circuit distribution threshold for distributed generation penetration.
Applicable Utilities All utilities
















Meter Aggregation Not addressed
Net Excess Generation Credited to customer's next bill at retail rate; granted to utility at end of 12-month billing cycle


REC Ownership Not addressed








System Capacity Limit 100 kW for HECO, MECO, HELCO customers; 50 kW for KIUC customers













Website http://energy.hawaii.gov/
Date added to DSIRE 2001-07-09
Last DSIRE Review 2012-08-06
Last Substantive Modification
to Summary by DSIRE
2011-08-03


References DSIRE[1]


Summary

NOTE: Kauai Island Electric Cooperative's (KIUC) net metering program has reached its capacity and has implemented a Net Energy Metering Pilot Program.

Hawaii's original net-metering law was enacted in 2001 and expanded in 2004 by HB 2048, which increased the eligible capacity limit of net-metered systems from 10 kilowatts (kW) to 50 kW. In 2005, the law was further amended by SB 1003, which authorized the Hawaii Public Utilities Commission (PUC) to increase certain limits outlined in the law and provided for the carryover of net excess generation (NEG) to the customer's next bill. In March 2008, the PUC issued an order to implement SB 1003. This order generally raised both the individual system capacity limit and the aggregate capacity limit for net-metered systems. IIn October 2008, Hawaii's governor; the Hawaii Department of Business, Economic Development and Tourism; the Hawaii consumer advocate, and the HECO companies entered into an energy agreement, a product of the Hawaii Clean Energy Initiative. This agreement provides that there should be no system-wide caps on net metering, and that net metering should transition towards a feed-in-tariff. In December 2008, the PUC issued an order to raise the aggregate capacity limit for net-metered systems in the service territories of HELCO and MECO. In January 2011, the PUC issued an order approving changes to Kauai's program, which was full, and the aggregate capacity limits for HECO companies were lifted and are now based on per-circuit caps rather than a percentage of peak demand.


Net metering is available on a first-come, first-served basis to residential and "small commercial" customers (including government entities) that generate electricity using solar, wind, biomass or hydro-electric systems. Third-party owned and operated systems are eligible to participate in net metering (leased systems and systems with a third-party power purchase agreements can participate in net metering). Under the terms of the March 2008 and December 2008 PUC orders, Hawaii's three investor-owned utilities (HECO, HELCO and MECO) and sole electric cooperative (KIUC) have slightly different programs:

  • For customers of Hawaiian Electric Company (HECO), the maximum individual system capacity is 100 kW. The aggregate capacity of net-metered systems is limited on a per-circuit basis to 15% per circuit distribution threshold for distributed generation penetration. Of this 15% in peak circuit demand capacity, 5% (or 0.75% of overall peak circuit demand capacity) will be reserved for residential or small commercial systems that are 10 kW or smaller.
  • For customers of Hawaii Electric Light Company (HELCO) and Maui Electric Company (MECO), which are both subsidiaries of HECO, the maximum individual system capacity is 100 kW. The aggregate capacity of net-metered systems is limited on a per-circuit basis to 15% per circuit distribution threshold for distributed generation penetration. Of this 15% in peak circuit demand capacity, 5% (or 0.75% of overall peak circuit demand capacity) will be reserved for residential or small commercial systems that are 10 kW or smaller.
  • For customers of Kauai Island Utility Cooperative (KIUC), the maximum individual system capacity is 50 kW. The aggregate capacity of net-metered systems is limited to 1% of KIUC’s peak demand. Of this 1% limit, 50% is reserved for systems 10 kW or smaller.

The March 2008 PUC order also required each utility to develop a pilot program allowing net metering to a limited number of systems 100 kW to 500 kW in capacity, while allowing for even larger systems "if technically and economically reasonable and practicable." KIUC currently has a pilot net metering program for systems up to 200 kW. Under the pilot program, customer-generators will be paid $0.20 per kilowatt-hour (kWh) for a system's net excess generation at the end of each year. Participants can receive this payment for net excess generation for a 20 year term.

A customer whose system produces more electricity than the customer consumes during the month may carry forward NEG in the form of a kilowatt-hour (kWh) credit that is applied to the customer's next bill. NEG may be carried over for a maximum of 12 months. At the end of the 12-month period, any remaining customer NEG credits are surrendered to the utility without compensation (unless the customer enters into a purchase agreement with the utility).


Incentive Contact

Contact Name Public Information - Hawaii PUC
Department Hawaii Public Utilities Commission

Address 465 South King Street, Room 103

Place Honolulu, Hawaii
Zip/Postal Code 96813
Phone (808) 586-2020


Email Hawaii.PUC@hawaii.gov
Website http://www.hawaii.gov/budget/puc
     
     

Authorities (Please contact the if there are any file problems.)

Authority 1: HRS § 269-101 et seq.

Date Enacted 6/25/2001 (subsequently amended)


Authority 2: HI PUC Order, Docket 2006-0084

Date Enacted 2011-01-13

















  • Incentive and policy data are reviewed and approved by the N.C. Solar Center's DSIRE project staff.[1]

References

  1. 1.0 1.1  "Database of State Incentives for Renewables and Efficiency (DSIRE)"