Rankings

Best Idaho Counties for Solar Potential

A sourced county-centroid solar resource ranking from NASA POWER climatology.

Ranking boundary

Rankings Are Discovery Leads

A high ranking means a county is worth researching first. It is not legal advice, a recommendation to buy land, or proof that any parcel will qualify for a specific use.

Read disclaimer
sourced

Solar potential uses county-centroid irradiance as a broad planning proxy.

Source confidence

Ranking Confidence Strip

A quick trust check for the top-ranked counties: source-status coverage, major source coverage, citation depth, and the number of source inputs behind this ranking.

top 10 covered
Top 10 profilesverified
10/10

Verified county profiles

Source coverageverified
10/10

Major sourced layers present

Citation depthsourced
168

Top 10 county citation URLs

Ranking inputssourced
3

Source groups used by this ranking

How to use this ranking

Rankings Build A Shortlist, Not A Final Answer

Refine in County Finder
01

Start With The Default Ranking

Use this as a short list of Idaho counties with stronger source confidence for this topic.

02

Refine In County Finder

Filter by state, density, land affordability, solar, broadband, lifestyle scores, and source status.

03

Open Profiles And Verify Parcels

Use county profiles for source trails and next checks, then confirm the exact parcel with current local planning and permitting sources and qualified professionals.

Score

Solar ranks county-level fit

The score helps sort counties by broad discovery signals for this topic. It is a comparison tool, not a parcel-level finding.

Confidence

Status labels describe source support

Verified and sourced-discovery labels explain how much public source support sits behind the profile. They are not government approvals.

Approval

Local review still decides the parcel

Before acting, confirm zoning, occupancy, water, septic, access, covenants, utilities, and permits for the exact property.

Data confidence

Confidence labels describe source support. They do not approve a parcel, project, permit, well, septic system, RV stay, or dwelling.

Verified

County-level profile has stronger official source coverage, but parcel-level approval is still not confirmed.

Sourced discovery

County-level sourced discovery profile has useful official or public sources, but parcel decisions still require local due diligence.

Draft

Draft profile should be treated as early screening only until more source review is complete.

Comparison table

Top 25 County Signals

Scan the current ranking beside adjacent signals that often change a rural land or alternative housing decision.

RankCountySolarFreedomTinyRVOff-gridLandBroadbandStatus
#1Gooding County7693/53/54/5618/10Verified
#2Jerome County7573/53/53/5208/10Verified
#3Lincoln County7743/54/55/5398/10Verified
#4Owyhee County7834/54/55/5678/10Verified
#5Twin Falls County7583/53/53/5209/10Verified
#6Ada County6412/51/52/5209/10Verified
#7Bannock County6623/53/53/5598/10Verified
#8Bear Lake County6793/54/55/5758/10Verified
#9Bingham County6623/53/54/5208/10Verified
#10Blaine County6472/51/53/52010/10Verified
#11Bonneville County6653/53/53/5669/10Verified
#12Butte County6783/54/55/5788/10Verified
#13Camas County6803/54/55/5799/10Verified
#14Canyon County6452/52/52/5209/10Verified
#15Caribou County6773/54/55/5709/10Verified
#16Cassia County6723/53/54/5858/10Verified
#17Elmore County6713/54/55/5319/10Verified
#18Franklin County6713/53/54/56810/10Verified
#19Jefferson County6593/53/53/52010/10Verified
#20Madison County6563/53/53/5206/10Verified
#21Minidoka County6573/53/53/5208/10Verified
#22Oneida County6773/54/55/5658/10Verified
#23Payette County6593/53/53/5258/10Verified
#24Power County6813/54/55/5989/10Verified
#25Teton County6603/52/54/5209/10Verified

Before you rely on the list

Turn Ranked Counties Into A Verification Plan

Use the ranking to choose counties worth researching, then confirm the parcel, jurisdiction, occupancy path, water, septic, access, and private restrictions before treating any result as a real land-buying candidate.

Refine in Finder
Solar

Check parcel conditions

County solar potential is a screen. Confirm shading, slope, winter access, battery requirements, backup power, snow, fire risk, and equipment access.

Parcel

Confirm the exact jurisdiction

Check whether the parcel is governed by unincorporated Idaho, a municipality, a planning district, tribal jurisdiction where relevant, or a special overlay.

Private rules

Read title, covenants, and access documents

Review recorded covenants, HOA or POA rules, easements, road agreements, title exceptions, fire access, and winter or seasonal access before relying on a county-level score.

Default view: verified county profiles only.

This leaderboard shows 44 verified Idaho county profiles. No sourced-discovery profiles are excluded for this ranking.

What this ranking means

Use this to compare broad county-level solar resource signals before parcel-level shading, slope, storage, grid, and backup-power design.

What it does not prove

A top-ranked county does not mean a specific parcel allows a tiny home, RV, container home, ADU, off-grid dwelling, well, septic system, driveway, utility plan, or full-time occupancy. Always verify the exact parcel and local jurisdiction.

#1Gooding CountyVerifiedSolar7

Gooding County, Idaho (ID), is worth shortlisting for Magic Valley land research and Gooding and Hagerman area due diligence. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#2Jerome CountyVerifiedSolar7

Jerome County, Idaho (ID), is worth shortlisting for Jerome area rural-edge research and Magic Valley parcel screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#3Lincoln CountyVerifiedSolar7

Lincoln County, Idaho (ID), is worth shortlisting for Shoshone-area rural land screening and south-central Idaho off-grid research. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#4Owyhee CountyVerifiedSolar7

Owyhee County, Idaho (ID), is worth shortlisting for large desert acreage research and off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#5Twin Falls CountyVerifiedSolar7

Twin Falls County, Idaho (ID), is worth shortlisting for Twin Falls area due diligence and Magic Valley land screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#6Ada CountyVerifiedSolar6

Ada County, Idaho (ID), is worth shortlisting for Boise-area rural-edge comparison and high-service county benchmark. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#7Bannock CountyVerifiedSolar6

Bannock County, Idaho (ID), is worth shortlisting for Pocatello-area rural edge research and southeast Idaho land screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#8Bear Lake CountyVerifiedSolar6

Bear Lake County, Idaho (ID), is worth shortlisting for Bear Lake area due diligence and southeast Idaho rural land screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#9Bingham CountyVerifiedSolar6

Bingham County, Idaho (ID), is worth shortlisting for Blackfoot area due diligence and southeast Idaho rural land screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#10Blaine CountyVerifiedSolar6

Blaine County, Idaho (ID), is worth shortlisting for Sun Valley and Hailey area due diligence and high-cost mountain benchmark. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#11Bonneville CountyVerifiedSolar6

Bonneville County, Idaho (ID), is worth shortlisting for Idaho Falls rural-edge research and eastern Idaho service-connected parcel screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#12Butte CountyVerifiedSolar6

Butte County, Idaho (ID), is worth shortlisting for very low-density eastern Idaho research and Arco-area land screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#13Camas CountyVerifiedSolar6

Camas County, Idaho (ID), is worth shortlisting for Camas Prairie land research and low-density Idaho screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#14Canyon CountyVerifiedSolar6

Canyon County, Idaho (ID), is worth shortlisting for Treasure Valley rural-edge research and service-connected acreage screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#15Caribou CountyVerifiedSolar6

Caribou County, Idaho (ID), is worth shortlisting for Soda Springs area due diligence and southeast Idaho rural screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#16Cassia CountyVerifiedSolar6

Cassia County, Idaho (ID), is worth shortlisting for Burley and Albion area due diligence and south-central Idaho off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#17Elmore CountyVerifiedSolar6

Elmore County, Idaho (ID), is worth shortlisting for Mountain Home area rural screening and desert and foothill off-grid research. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#18Franklin CountyVerifiedSolar6

Franklin County, Idaho (ID), is worth shortlisting for Cache Valley Idaho land research and Preston-area rural due diligence. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#19Jefferson CountyVerifiedSolar6

Jefferson County, Idaho (ID), is worth shortlisting for Rigby-area due diligence and eastern Idaho rural-edge screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#20Madison CountyVerifiedSolar6

Madison County, Idaho (ID), is worth shortlisting for Rexburg-area rural-edge research and eastern Idaho growth-county comparison. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#21Minidoka CountyVerifiedSolar6

Minidoka County, Idaho (ID), is worth shortlisting for Rupert and Paul area due diligence and Magic Valley rural parcel screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#22Oneida CountyVerifiedSolar6

Oneida County, Idaho (ID), is worth shortlisting for Malad-area rural screening and southeast Idaho off-grid research. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#23Payette CountyVerifiedSolar6

Payette County, Idaho (ID), is worth shortlisting for Payette and Fruitland area due diligence and Treasure Valley edge screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#24Power CountyVerifiedSolar6

Power County, Idaho (ID), is worth shortlisting for American Falls area land research and southeast Idaho off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#25Teton CountyVerifiedSolar6

Teton County, Idaho (ID), is worth shortlisting for Teton Valley due diligence and high-demand mountain county comparison. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#26Adams CountyVerifiedSolar5

Adams County, Idaho (ID), is worth shortlisting for west-central Idaho rural land screening and Council and New Meadows area due diligence. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#27Boise CountyVerifiedSolar5

Boise County, Idaho (ID), is worth shortlisting for Boise County mountain land research and rural buyers near Idaho City. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#28Clark CountyVerifiedSolar5

Clark County, Idaho (ID), is worth shortlisting for very low-density eastern Idaho screening and off-grid research. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#29Custer CountyVerifiedSolar5

Custer County, Idaho (ID), is worth shortlisting for central Idaho mountain land research and off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#30Gem CountyVerifiedSolar5

Gem County, Idaho (ID), is worth shortlisting for Emmett-area rural land research and west-central Idaho parcel screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#31Lemhi CountyVerifiedSolar5

Lemhi County, Idaho (ID), is worth shortlisting for Salmon area rural land research and mountain county off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#32Valley CountyVerifiedSolar5

Valley County, Idaho (ID), is worth shortlisting for McCall and Cascade area due diligence and mountain off-grid research. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#33Washington CountyVerifiedSolar5

Washington County, Idaho (ID), is worth shortlisting for Weiser-area rural land screening and west-central Idaho off-grid research. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#34Fremont CountyVerifiedSolar4

Fremont County, Idaho (ID), is worth shortlisting for Island Park and St. Anthony area due diligence and eastern Idaho off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#35Idaho CountyVerifiedSolar4

Idaho County, Idaho (ID), is worth shortlisting for very large rural land searches and Idaho County off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#36Benewah CountyVerifiedSolar3

Benewah County, Idaho (ID), is worth shortlisting for North Idaho rural screening and St. Maries area due diligence. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#37Clearwater CountyVerifiedSolar3

Clearwater County, Idaho (ID), is worth shortlisting for Orofino-area rural research and North Idaho forested off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#38Kootenai CountyVerifiedSolar3

Kootenai County, Idaho (ID), is worth shortlisting for Coeur d'Alene area due diligence and North Idaho growth-county comparison. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#39Latah CountyVerifiedSolar3

Latah County, Idaho (ID), is worth shortlisting for Moscow-area rural land research and North Idaho code-review comparison. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#40Lewis CountyVerifiedSolar3

Lewis County, Idaho (ID), is worth shortlisting for north-central Idaho rural screening and Nezperce and prairie-area due diligence. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#41Nez Perce CountyVerifiedSolar3

Nez Perce County, Idaho (ID), is worth shortlisting for Lewiston-area rural-edge research and North Central Idaho service-connected parcel screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#42Bonner CountyVerifiedSolar2

Bonner County, Idaho (ID), is worth shortlisting for North Idaho land research and Sandpoint-area due diligence. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#43Boundary CountyVerifiedSolar2

Boundary County, Idaho (ID), is worth shortlisting for North Idaho rural land research and border-area due diligence. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

#44Shoshone CountyVerifiedSolar2

Shoshone County, Idaho (ID), is worth shortlisting for Silver Valley rural land research and forested mountain off-grid screening. Use this county-level profile to compare lifestyle fit, land signals, utilities, climate, and source status before parcel-level due diligence.

Research context

How To Read This Ranking

Best Idaho Counties for Solar Potential | County Freedom Index