Compare solar companies serving Portland, see what to ask, and check what solar typically costs here — or get matched with vetted installers for your address.
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Get matched with installersTypical Portland system: about 5.5 kW, roughly $19,910 net of incentives, ~11.2-year payback. Full Portland cost breakdown →
The companies below publicly list Maine in their service area. It's a directory, not a ranking. For companies matched to your exact ZIP and project, use Get Solar Quotes.
Roughly $19,910 net of incentives for a 5.5 kW system on an average bill, with about a 11.2-year payback. See the Portland cost page.
Ask about licensing and insurance in Maine, the all-in price per watt and any dealer fees, the equipment and warranties, the production guarantee, and who handles permits and interconnection.