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Hawaii Solar Information

Hawaii isn't a bad state for solar but far from the strongest. There is a state tax credit that reduces your income tax. Along with basically wiping out your state income tax although not required by the state the three major utilities servicing all of Hawaii offer net metering. As always in Hawaii you are entitled to the 30% federal tax credit.
  • №5
    Hawaii ranks in America for savings from installing solar panels on
  • 5677.69 kWh
    AC Energy output every year in Hawaii in 4 kW system
  • 4.81 kWh
    Solar Radiation (kWh / m2 / day)
  • 35 ¢ /kWh
    The cost of electricity today in Hawaiian Electric Co Inc
  • 74 ¢ /kWh
    If you don't get solar. The forecast average utility price over the next 25 years

Hawaii Solar Facts

  • $1.44
    Average cost of a 4kw solar power system in 2019.
  • 1 years
    Average system payback period.
  • $166 485
    Average lifetime savings.
  • 9 ¢ /kWh
    Levelized cost of solar energy.
  • 4 kW
    Recommended system size.
  • How much do solar panels cost in Hawaii
  • $1.44 per watt
  • $5 013 total
  • 1 years

Hawaii is a National Leader in Solar Power

Rooftop Solar

Solar power provides a significant boost to Hawaii's efforts to build a clean energy future. By the end of 2015, Oahu residents had nearly 41,600 rooftop solar systems with a capacity of 343 MW, significantly more than the largest conventional generator on the island. Hawaii Island residents had installed 9,700 systems with a 70 MW capacity and Maui County residents had installed over 9,300 systems with a 74 MW capacity.

Tell us how much you are spending on electricity and we’ll calcalute how much you can save if you get solar
According to Hawaiian Electric Co Inc, we received the cost of kWH in your area and calculated energy consumption based on an average electricity bill for 3 months.
I am claiming the 30% Federal Tax Credit (ends 2019) i

When you install your solar system, 30% of your project expenses apply toward a credit to offset any taxes you owe that year. This federal tax credit is a major incentive to go solar, but it is being phased out by 2022.

Most people are eligible to claim this credit (you must owe federal taxes to be eligible).

System size

  • Mini
  • Small
  • Medium
  • Large
We recommended
3.47 kW medium system size
Provides up to 80% of electricity consumption
$1.44 per watt
Average system cost
  • image rec 3
    11 x 325 watt
    solar panels
  • +
  • image rec 3
    11 x 300 watt
    microinverter
  • +
  • image rec 3
    1 x 5 000 watt
    inverter
$269.57 / month
Estimated savings on your average quarterly bill
  • $5 013.19
    Estimated system cost
    Excludes 30% Federal Tax Credit.
    This price does not include the installation cost.
  • 1 years
    Average system payback period
  • $166 485.45
    Estimated utility savings

Example of 4 kW system calculation in Minnesota for electricity bill $100

  • 35 ¢ /kWh
    The cost of electricity today in Hawaiian Electric Co Inc
  • 74 ¢ /kWh
    If you don't get solar. The forecast average utility price over the next 25 years
  • 9 ¢ /kWh
    levelized cost of solar energy

Relevant product for your system

Entry-level solar panels x 11
$2,044.68
  • View
  • View
Entry-level microinverter x 11
$1,576.80
  • View
Entry-level inverter x 1
$1,523.11
  • View
  • View
In stock
Canadian Solar 315W Solar Panel 120 cell CS3K-320MS Monocrystalline Black - A1 Solar Store 28% Off
Cell number 120 cell
DC/Charger Volt Compatible 48v, 12v, 24v
Price per Watt $0.52
Rated Power Output 315 W
Voltage (VOC) 40.1V
Cell Type Monocrystalline
In stock
Canadian Solar 325W Solar Panel 60 cell CS1H-325MS Monocrystalline Black - A1 Solar Store 30% Off
Cell number 60 cell
DC/Charger Volt Compatible 48v, 12v, 24v
Price per Watt $0.57
Rated Power Output 325 W
Voltage (VOC) 43.4V
Cell Type Monocrystalline
In stock
JA solar 390 watt Solar Panel 72 cell JA-JAM72-S09-390PR-Q Monocrystalline White - A1 Solar Store
Cell number 72 cell
DC/Charger Volt Compatible 48v, 12v, 24v
Price per Watt $0.49
Rated Power Output 390 W
Voltage (VOC) 49.35V
Cell Type Monocrystalline
In stock
Panasonic HIT 330W Solar Panel 96 cell VBHN330SA17 Monocrystalline Black - A1 Solar Store 28% Off
Cell number 96 cell
DC/Charger Volt Compatible 48v, 12v, 24v
Price per Watt $1.01
Rated Power Output 330 W
Voltage (VOC) 69.7V
Cell Type Monocrystalline