Welcome to the Locational Value Maps (LVM) for Oahu, Maui County and Hawaii Island
Locational Value Maps can help when planning customer-sited generation, also called Distributed Generation (DG). The maps provide an indication of the percentage of DG on the utilities’ distribution circuits. Please see the Locational Value Maps below.
Our goal is to help get as much customer-sited generation, especially renewable energy, as possible while maintaining reliable service to all customers. Reliable service may be impacted if a circuit has too much DG interconnected without proper protection equipment.
DG may include:
- Solar, wind, hydro or biomass renewable generation for Net Energy Metering (NEM), Feed-In Tariff (FIT) or a Standard Interconnection Agreement (SIA), or
- Non-renewable generation for a Standard Interconnection Agreement (SIA).
- DG percentages on the LVM shown are based on installed systems and accepted interconnections.
- LVMs are rough guides, updated regularly, but can quickly get out of date. You may also ask us for a preliminary circuit check that may provide more up-to-date information. A LVM address search or a preliminary circuit check from your utility do NOT reserve a place in line for your system nor do they guarantee no further engineering reviews will be needed when you submit your application for utility review.
No limits are set on the amount of DG on a circuit. However, to ensure safe and reliable service, all applications to connect to the utility grid go through an initial review process. Generally, if DG penetration on a circuit is less than 15% of peak load, your system may qualify for Simplified Interconnection. If penetration is 15% or greater, your application may need further review.
The Percent of Circuit Peak Load Map shows distributed generation (mostly solar photovoltaic, or PV) on each circuit compared to 15% of peak electricity demand, or “load” on each circuit. It also shows levels beyond 15%. The Public Utilities Commission requires that we use 15% as the first checkpoint to consider whether more distributed generation can be added on a circuit safely and reliably or if additional study may be needed. If the map shows distributed generation on a circuit is below 15% of peak demand as of today, further study typically will not be needed. However, the amount of distributed generation on a circuit can change, sometimes quickly.
The Percent of Daytime Minimum Load Map shows circuits with installed DG up to and greater than 100% of daytime minimum load (DML). For purposes of the map, daytime is defined as 9 a.m. to 5 p.m. Depending on how much distributed generation is on your neighborhood circuit, an interconnection requirements study and/or additional protective equipment may be required to ensure continued safe and reliable service to all customers on your circuit. Click here for information on these thresholds and what we are doing to help minimize the need, cost and time for these steps.
For customers with questions on solar power or contracts, please send email requests to:
Hawaii Electric Light: