Quote Template:
Residential Rooftop Solar Installation Proposal
ESTIMAKER
PROPOSITION
0001
1. Project Overview
Prepared for [name of client], this proposal covers the supply and installation of a grid-connected rooftop solar photovoltaic system at [address of project]. The proposed system is designed to reduce electricity purchased from the utility while providing a clean, reliable source of on-site generation for the property.
2. Scope of Work
[company name] will complete a site assessment, prepare the electrical and permit documentation, supply the solar equipment, install the roof mounting system, and connect the array to the property’s electrical service. The work includes system commissioning, utility interconnection support, and a final walkthrough with the client.
3. Proposed System
The installation includes eighteen 400-watt monocrystalline solar modules with module-level microinverters. The proposed array provides a nominal capacity of 7.2 kW DC and is intended for installation on the most suitable roof plane identified during the site assessment. Equipment placement will prioritize production, weatherproofing, safe access, and the appearance of the home.
4. Installation Process and Schedule
After acceptance, [company name] will finalize the site layout and submit the required permit and utility interconnection documents. Installation is planned to begin on [proposed installation date], subject to permit approval, equipment availability, and safe weather conditions. The client will receive notice before the crew arrives and before any planned electrical shutdown.
5. Project Assumptions and Exclusions
This proposal assumes that the roof structure, roofing material, electrical service, and access conditions are suitable for the proposed system. Roof repairs, structural reinforcement, electrical service upgrades, trenching, battery storage, and work required by unforeseen site conditions are excluded unless expressly included in a written change order. Available tax credits, rebates, and utility programs remain subject to the rules in effect at the time of application.
6. Acceptance
Acceptance of this proposal authorizes [company name] to proceed with project planning, permitting, and scheduling in accordance with the stated scope of work. The client confirms that they have authority to approve work at [address of project] and agrees to provide reasonable access to the property during installation and inspection activities. Accepted by [client representative name] on [acceptance date].
Solar Panel Installation Quote Template: Residential Rooftop Solar Proposal (Word Format)
This Residential Rooftop Solar Installation Proposal is a Word quote template for solar contractors pricing a complete home solar PV system. It gives homeowners a clear, itemized view of the proposed system while helping installers present scope, equipment, assumptions, and payment terms consistently.
Use this solar panel installation quote template to bill for site assessment, system design, photovoltaic modules, inverters, racking, electrical work, permitting, installation labor, commissioning, and monitoring setup. It is suited to grid-tied rooftop systems and can also include optional battery storage, main panel upgrades, and EV charger work.
Why use this solar installation proposal template?
- Present a complete system scope. Show the proposed array size, estimated production, panel count, inverter configuration, and roof sections covered before work begins.
- Make pricing easy to understand. Separate equipment, labor, permitting, engineering, and optional upgrades instead of presenting one unexplained lump sum.
- Protect the installation scope. State roof-condition assumptions, utility requirements, access limitations, and exclusions such as reroofing or structural remediation.
- Support homeowner decisions. Compare a solar-only system with options such as battery backup, premium panels, or a service-panel upgrade.
- Set clear commercial terms. Document the deposit, progress payments, estimated installation schedule, warranty information, and quote validity period.
What the template includes
- Contractor and customer details: Your business name, license details, contact information, property address, and proposal number.
- Project summary: The customer’s energy goals, existing electrical service, roof type, usable roof area, and proposed installation location.
- Solar PV system design: System size in kW DC, number and wattage of modules, inverter or microinverter model, racking system, and estimated annual production in kWh.
- Itemized pricing table: Separate lines for solar modules, inverters, mounting hardware, balance-of-system materials, installation labor, electrical work, permits, engineering, and inspections.
- Optional work and allowances: Battery storage, backup loads panel, main service panel replacement, trenching, critter guards, roof repairs, or EV charger installation.
- Scope of work: Site visit, final design, permit application, utility interconnection paperwork, installation, commissioning, monitoring activation, and homeowner handover.
- Exclusions and assumptions: Utility fees, concealed roof damage, asbestos abatement, structural reinforcement, reroofing, landscaping repair, and work outside the listed scope.
- Payment and acceptance terms: Deposit amount, milestone payments, change-order process, proposed start date, and customer approval signature.
How much to charge for a residential solar installation
Residential solar proposals are usually priced per watt of installed DC capacity, then adjusted for roof complexity, equipment selection, local labor costs, permitting, and electrical upgrades. The figures below are general North American market ranges to tailor to your area and project conditions.
- Grid-tied solar PV installation: approximately $2.50 to $4.50 per watt before incentives. A 6 kW system may therefore be quoted around $15,000 to $27,000, while a 10 kW system can range from $25,000 to $45,000.
- Solar modules: often budgeted at roughly $0.45 to $0.90 per watt, depending on module efficiency, brand, and supply conditions.
- Inverters and monitoring: allow approximately $1,200 to $3,500 for a typical inverter or microinverter package, depending on array size and design.
- Permitting, plans, and interconnection: commonly $1,000 to $3,000. Complex jurisdictions or stamped structural/electrical plans can increase this amount.
- Main panel upgrade: commonly $2,500 to $5,500 where the existing service cannot accommodate the new solar backfeed.
- Battery storage: typically $10,000 to $22,000 installed, depending on usable capacity, backup configuration, and electrical modifications.
Show rebates, tax credits, or utility incentives separately as estimates only unless eligibility and approval are confirmed.
Who this template is for
- Residential solar installers preparing quotes for single-family homes.
- Electrical contractors adding rooftop PV and battery systems to their services.
- Solar sales representatives presenting a detailed proposal after a site assessment.
- EPC contractors quoting standard or complex roof-mounted photovoltaic projects.
- Homeowners requesting a clear solar installation estimate before approving equipment and financing.
- Contractors quoting solar work alongside a panel upgrade, battery backup system, or EV charger.
Frequently asked questions
Should I quote solar by the watt or as a fixed project price?
Use both. Show the customer a fixed installed project total, while using the system size and cost per watt internally or in the proposal summary to explain how the price was built. Itemizing major add-ons helps avoid confusion when roof access or electrical work changes the total.
What should be excluded from a rooftop solar proposal?
Exclude work you cannot verify during the initial assessment, such as concealed roof deterioration, structural defects, asbestos removal, or utility-mandated upgrades not yet identified. State that these items require a written change order if they become necessary.
Should permits and utility interconnection be included in the quote?
Yes, when your company manages them. List permit fees, plan preparation, inspection coordination, and utility interconnection administration as separate line items or clearly identify them as included in the contract price.
When should the customer pay for the solar installation?
A common structure includes a deposit at contract signing, a progress payment after equipment delivery or installation, and a final payment after commissioning or inspection. Match the schedule to local consumer-protection rules and clearly state when each payment becomes due.