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Frequently Asked Questions
A customer replacing equipment on existing NEM system that will not increase system size by more than 1 kilowatt (kW) for Oahu and Maui County customers or 100 watts (W) for Hawaii Island customers must submit an Amendment, but if increasing the system size by more than these limits, the customer must apply for the NEM Plus program. It is possible to add energy storage to an existing NEM system with Net Energy Metering Plus. For an amendment form, visit: https://www.hawaiianelectric.com/documents/products_and_services/customer_renewable_programs/DER_amendment_form.pdf
If an existing NEM customer wants to add more capacity but does not qualify for NEM Plus, the customer must transition to another program, such as Customer Grid Supply, Customer Self Supply, or Smart Export.
Energy conservation and efficiency are the best and cheapest way to save energy, reduce your electricity bills, and protect the environment. Take a look at your electricity use, then consider and apply measures to be more efficient while preserving comfort and convenience. By first reducing your energy use you may be able to reduce the size of a rooftop solar system and lower your up-front costs.
Efficiency options may include switching to CFLs or LEDs for lighting, installing a solar water heater, and replacing older, inefficient appliances with Energy Star® models. Conservation measures may include turning down the thermostat on electric water heaters, fixing leaking faucets, and discarding an older, second refrigerator or under-used freezer.
To find out more visit www.hawaiienergy.com or www.energystar.gov
- Determine how much electricity you use at what time of day. Will your needs change, like due to getting an electric vehicle or having more people in your home? Research your solar options; will you own, lease or join community solar? A good place to start is:
- Talk to family, neighbors and friends about their experiences and recommendations with adding rooftop solar.
- Consider which utility program works for you and look at your payment options. Visit www.hawaiianelectric.com/products-and-services/customer-renewable-programs/private-rooftop-solar.
- Discuss with prospective contractors how to "right-size"; your rooftop system. If it is too large you are wasting money; if too small you will not get enough power for your home and remain more dependent on your utility.
- Pick a contractor and sign a contract. Your contractor will submit necessary applications to your utility and county permitting department, including using the Hawaiian Electric's online CIT tool to track your application and project status at www.hawaiianelectric.com/CITonline.
- Installation may include roofing and/or service upgrades as well as construction engineering/management, permitting, rooftop work and inspection.
- Your utility will install a new meter and may inspect the completed system.
Information on contractors specializing in distributed energy systems is available from various sources, including:
- Yellow pages under "solar" and "electric contractors" or on the web by searching for "solar contractors Hawaii."
- Newspaper ads
- Friends, relatives, and neighbors who have installed solar systems
- North American Board of Certified Energy Practitioners (NABCEP), www.nabcep.org
- State of Hawaii Professional and Vocational Licensing (PVL) search -This search is designed to help the public obtain basic information about businesses and individuals that hold professional and vocational licenses issued by the State of Hawaii, http://pvl.ehawaii.gov/pvlsearch/app
Consult your tax professional. For background information:
- Database of State Incentives for Renewables & Efficiency (DSIRESOLARTM) www.dsireusa.org.
- Hawaii Department of Taxation, Taxpayer Services Branch
Web Site: tax.hawaii.gov/; E-Mail: Taxpayer.Services@hawaii.gov; Phone: (808) 587-4242 - Your contractor may have incentives or financing opportunities.
No. Solar water heating systems use heat from the sun to heat water directly for your use. Certain manufacturers incorporate PV panels in the design of a water heating system but these systems do not interconnect with the grid and therefore the distributed energy resources programs do not apply.
However, solar water heaters are still an excellent energy efficiency measure that can save you a lot on your electric bill. In addition, purchase of a solar water heater may be eligible for a rebate. For more information on rebates available for solar water heaters and other energy efficiency measures, contact Hawaii Energy at hawaiienergy.com or (877) 231-8222.
Consult your tax advisor as each customer's circumstances are different.
The programs provide options for different kinds of customers. Please consult our website and your prospective contractors to help choose the best program to fit your needs.
There is no application or processing fee when using the Customer Interconnection Tool.
No. The PUC has declared NEM fully subscribed and closed it to new customers in October 2015. Current NEM agreements are still valid.
NEM Plus allows current NEM customers to add features such as energy storage to their rooftop solar systems – as long as the new equipment doesn't export power to the grid – without losing their current credits.
NEM Plus could be a cost-effective option for customers consistently paying for energy delivered to them, above the minimum bill or NEM customers making improvements such as adding rooms or split air conditioning, or an electric vehicle or two. NEM customers who already pay only the minimum bill through most or all the year would not benefit from NEM Plus.