Is $27,324 to install a 10.12kW solar panel system a fair price?

This quote is for the installation of a 10.44 kW solar energy system, with an estimated first-year production of 10,268 kWh. The system includes high-quality components and comprehensive services. - Solar Modules: 24 Qcells 435w Solar Modules - Microinverters: Enphase IQ8+ Microinverters - System Size: 10.44 kW - Estimated First Year Production: 10,268 kWh - Included Services: Professional System Design, Module & Inverter Sizing - Included Services: Obtaining all Building and Electrical permits as required - Included Services: Installation of Solar Modules and Roof Racking - Included Services: Completion of Electrical Hook up & Wiring in Compliance with NEC Standards - Included Services: Completion of Inverter and Disconnect hook up in accordance with Local Utility - Included Services: Owner System Training - Included Services: System Manuals and Warranty Information - Included Services: Scheduling Final Electrical Inspection - Included Services: Completion of all available Local, State and Federal Grant Forms - Included Services: Coordination of Net Metering with Utility Company - Warranty: 30 Year Triple Platinum Warranty - Warranty: 30 Year Roof Penetration/Leak Warranty

This quote is for a solar panel system installation with a 11.455 kW capacity. The system includes 29 REC395AA PURE BLACK panels and 29 IQ8PLUS-72-2-US [240V] inverters. It is estimated to produce 17,407 kWh in the first year, offsetting 118% of consumption. The quote also includes comprehensive warranties and system monitoring. A loan option is available for the gross cost. - System Size: 11.455 kW - Panels: 29x REC395AA PURE BLACK - Inverters: 29x IQ8PLUS-72-2-US [240V] - Estimated First Year Production: 17,407 kWh - Consumption Offset: 118% - Workmanship Warranty: PES 25 Year - Roof Penetration Warranty: PES 25 Year - Monitoring: Online System Monitoring - Additional Service: AeroSEAL (ONE Unit) - Gross Cost: $48,959.58 - Discounts & Rebates: -$0.00 - Federal Tax Credit: Residential Renewable Energy Tax Credit - 30% (-$14,687.87) - Loan Option: Available for $48,959.58 at 3.99% APR over 25 years

This quote is for the installation of a solar panel system with a gross project value of $32,663.68, reduced to $21,864.58 after federal and state tax credits. The system is designed to cover 149% of annual utility usage (though the homeowner notes this is closer to 120% of actual usage). - Solar Panels: 21 REC460AA panels - Inverters: Enphase IQ8X - System Size (DC): 9.66 kW - System Size (AC): 8.064 kW - Year 1 Production: 10,136 kWh - Annual Usage: 6,809 kWh - Array 1: 10 panels, 4,600 W, 5,113 kWh production - Array 2: 11 panels, 5,060 W, 5,023 kWh production - Included: Critter Guard - Warranty: Solar Insure 30-year warranty - Federal Tax Credit: -$9,799.10 - State Tax Credit: -$1,000.00