Is $65,000 to install a 16.5kW solar system with battery backup a fair price?

This quote is for the installation of a 30kW solar battery backup system. The estimated cost for this system ranges from $25,000 to $35,000, depending on the brand. The system is designed to provide power during outages and allow for charging and discharging outside of grid connection. The recommended brands for this installation are Franklin and Enphase. The 30kW capacity is estimated to run everything in the house for a lighter day. The quote was provided by the same solar company that previously installed the existing solar panels.

This quote is for a comprehensive solar panel and battery backup system installation, including various components and disclosures regarding additional costs and guarantees. The total system cost before tax credit is $34,344.00, with a Federal Tax Credit of $10,303.20 applied. - Solar Installation: 5.22 kW system at $2.70/watt - Battery System: 1IQ Battery 10C, 10 kWh installation - Battery Backup: Enphase Battery Back-Up included for outages with Transfer Switch (without Meter Collar), MAX 200 AMP - Monitoring: Enlighten Combiner Box & Wi-Fi Monitoring (Included) - Site Inspection Deposit: Non-refundable deposit covering comprehensive site inspection to assess feasibility and requirements. The $250 deposit will be applied to the total project cost if proceeding with services. Due upon signing the proposal. - Permit Fees: Permitting process handled, but project cost does not include permit fees. These fees, set by the local AHJ, will be invoiced separately and typically range from $150 to $1,500. - Production Guarantee: Agreement acknowledges no explicit assurances regarding specific financial offsets. However, kilowatt-hour production is guaranteed for the initial and subsequent years, contingent upon panel degradation schedules. - Tax Credit: Residential Renewable Energy Tax Credit - 30%

This quote is for the installation of a solar energy system with battery storage. The system is designed to offset 102% of the estimated annual energy usage of 16,187 kWh, with an estimated solar energy production of 16,507 kWh. The total financed amount for the system is $58,500, which is estimated to be reduced to a net system price of $15,383 after various incentives and tax credits. - Annual Energy Usage: 16,187 kWh - Estimated Solar Energy Production: 16,507 kWh - Solar Energy Offset (Est.): 102% - Solar System Size: 11.7 kW - Inverter Size: 8.00 kW - Number of Panels: 26 - Micro-Grid Interconnection Device: EG4 GridBOSS - Batteries: 2 x EG4® WallMount All Weather 280Ah Batteries - Solar Panels: Peimar DR10H450M (FB) HALF CELL LINE - Optimizers: Tigo TS4-A-O - Racking: Pegasus InstaFlash2 - Inverter: Assuming EG4 make/model (details pending) - Workmanship: All work performed in-house, no subcontracting - System Warranty: 25 years (excluding batteries) - Battery Warranty: 10 years - Estimated Federal Tax Credit (30%): $17,550 - Estimated IL State Incentive: $13,477 - Estimated Smart Solar Rebate: $3,510 - Estimated Utility Battery Rebate: $8,580 - Net System Price (after incentives): $15,383