Rankings

Best Maine 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.

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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: verified profiles, major source coverage, citation depth, and the number of source inputs behind this ranking.

top 10 covered

Top 10 profilesverified

10/10

Sourced county profiles

Source coverageverified

10/10

Major sourced layers present

Citation depthsourced

160

Top 10 county citation URLs

Ranking inputssourced

Source groups used by this ranking

Methodology Data status Source glossary

#1Lincoln CountyPartially sourced3

Lincoln County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#2Sagadahoc CountyPartially sourced3

Sagadahoc County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#3Androscoggin CountyPartially sourced2

Androscoggin County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#4Cumberland CountyPartially sourced2

Cumberland County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#5Hancock CountyPartially sourced2

Hancock County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#6Kennebec CountyPartially sourced2

Kennebec County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#7Knox CountyPartially sourced2

Knox County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#8Oxford CountyPartially sourced2

Oxford County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#9Waldo CountyPartially sourced2

Waldo County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#10Washington CountyPartially sourced2

Washington County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#11York CountyPartially sourced2

York County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#12Aroostook CountyPartially sourced1

Aroostook County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#13Franklin CountyPartially sourced1

Franklin County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#14Penobscot CountyPartially sourced1

Penobscot County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#15Piscataquis CountyPartially sourced1

Piscataquis County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

#16Somerset CountyPartially sourced1

Somerset County has a first-pass Maine source-discovery record. Tiny home, RV, off-grid, container-home, ADU, water, septic, access, shoreland, winter-maintenance, and building-permit feasibility should be confirmed through town staff, LUPC where applicable, subdivision documents, private covenants, and parcel-level research before purchase.

Ranking Source Trail

Solar potential rankings use county-centroid solar climatology as a broad planning proxy.

Source glossary

Primary Solar Layer

NASA POWER solar climatologyCounty-centroid solar irradiance proxy used for solar potential rankings and score inputs.

Context

Climate and snowfall layersCounty-level climate context used for off-grid and homesteading discovery, not parcel design.Dataset coverage reportLayer-by-layer coverage status for live county datasets.