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Idaho Solar Information

Idaho isn’t a bad state for solar. There’s always enough sunshine to cover your basic energy needs or at least to reduce your monthly electricity bill. The 26% Federal Solar Tax Credit as well as some local incentives will make your solar installation even more profitable.
  • #18
    Idaho ranks #18 in the USA for savings from installing solar panels
  • 6345.55 kWh
    Annual AC energy output of a 4 kW solar system installed in Idaho
  • 5.35 kWh
    Solar Radiation (kWh / m2 / day)
  • 8 ¢ /kWh
    The cost of electricity today in Salmon River Electric Coop Inc
  • 17 ¢ /kWh
    If you don't go solar. The forecast average utility price over the next 25 years

Idaho Solar Facts

  • $2.02
    Average cost of a 4kw solar power system in 2019.
  • 13 years
    Average system payback period.
  • $29,807.70
    Average lifetime savings.
  • 6 ¢ /kWh
    Levelized cost of solar energy.
  • 6 kW
    Recommended system size.
  • Solar Power System Cost in Idaho
  • $2.02 per watt
  • $11,700.38 total
  • 13 years

Solar power in Idaho comprised 478 MW in 2018. Rooftops can provide 26.4% of all electricity used in Idaho from 4,700 MW of solar panels. The low average cost of hydro-electricity makes Idaho one of the last states in the country to reach grid parity. However, in January 2015, there were 461 MW of solar power contracted to be built in Idaho which would give the state more solar capacity per capita than any other state.

Net metering is limited to 25 kW for residential users, and 100 kW for commercial users, other than for Avista Utilities customers, where the limit for all users is 100 kW.

The City of Boise is planning on building a 20 MW solar plant near the Boise Airport, at a cost of $45 million. A 20 MW solar power plant, Grand View Solar One, in Grand View, Idaho was planned but was not built. Construction of Grand View Solar One was expected to be completed by January 12, 2013. Grand View Solar Two at 108 MW was completed by September 2016.

In 2019, Idaho Power contracted a Power Purchase Agreement for a 120 MW solar power station in 2022 at 2.175¢/kWh.

Tell us how much you are spending on electricity and we’ll calcalute how much you can save if you go solar
According to Salmon River Electric Coop 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 26% Federal Tax Credit (ends 2022) i

When you install a solar system, 26% 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 going to be phased out by 2024.

To be eligible to claim this credit, you must owe federal taxes.

System size

  • Mini
  • Small
  • Medium
  • Large
We recommended
5.79 kW medium system size
Provides up to 80% of electricity consumption
$2.02 per watt
Average system cost
  • image rec 3
    16 x 370 watt
    solar panels
  • +
  • image rec 3
    16 x 300 watt
    microinverter
  • +
  • image rec 3
    2 x 3 800 watt
    inverter
$61.14/ month
Estimated savings on your average quarterly bill
  • $11,700.38
    Estimated system cost
    Excludes 26% Federal Tax Credit.
    This price does not include the installation cost.
  • 13 years
    Average system payback period
  • $29,807.70
    Estimated utility savings

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

  • 8 ¢ /kWh
    The cost of electricity today in Salmon River Electric Coop Inc
  • 17 ¢ /kWh
    If you don't get solar. The forecast average utility price over the next 25 years
  • 6 ¢ /kWh
    levelized cost of solar energy

Relevant product for your system

Entry-level solar panels x 16
$6,569.76
  • View
  • View
Entry-level microinverter x 16
$3,098.40
  • View
Entry-level inverter x 2
$2,651.90
  • View
  • View
In stock
JA Solar 405w Solar Panel 72 Cell JA-JAM72-S10-405MR - A1 Solar Store 15% Off
Cell number 144 cell
DC/Charger Volt Compatible 12v, 24v, 48v
Price per Watt $0.58
Rated Power Output 405 W
Voltage (VOC) 49.86V
Cell Type Monocrystalline
Pickup at 1 location or US shipping
In stock
Panasonic 340W Solar Panel 96 cell VBHN340SA17 Monocrystalline White - A1 Solar Store
Cell number 96 cell
DC/Charger Volt Compatible 12v, 24v, 48v
Price per Watt $1.14
Rated Power Output 340 W
Voltage (VOC) 71.3V
Cell Type Monocrystalline
Pickup at 2 locations or US shipping
In stock
REC 290W Solar Panel Sale - A1 Solar Store
Cell number 120 cell
DC/Charger Volt Compatible 12v, 24v, 48v
Price per Watt $0.52
Rated Power Output 290 W
Voltage (VOC) 38.8V
Cell Type Monocrystalline
Pickup at 1 location or US shipping
In stock
Panasonic HIT 330W Solar Panel 96 cell VBHN330SA17 Monocrystalline Black - A1 Solar Store
Cell number 96 cell
DC/Charger Volt Compatible 12v, 24v, 48v
Price per Watt $1.09
Rated Power Output 330 W
Voltage (VOC) 69.7V
Cell Type Monocrystalline
Pickup at 1 location or US shipping