Project Overview
This scope covers solar photovoltaic system installation including design, panel mounting, inverter installation, electrical connections, and utility interconnection.
Typical Projects Include:
- Residential rooftop solar installation
- Ground-mount solar array
- Solar panel system with battery storage
- Commercial solar installation
- Solar panel addition to existing system
- Inverter replacement or upgrade
Scope of Work
Design & Permitting
| Task | Description |
|---|---|
| Site Assessment | Evaluate roof condition, orientation, shading, and structural capacity for solar panels. |
| System Design | Design the solar array layout, select panel and inverter equipment, and estimate production. |
| Permits & Utility Application | Submit building/electrical permits and file interconnection application with the utility company. |
Installation
| Task | Description |
|---|---|
| Racking & Mounting | Install roof penetrations, flashing, and racking system. Secure all mounting hardware. |
| Panel Installation | Mount solar panels on racking and connect panel wiring. |
| Inverter & Electrical | Install inverter, run conduit to the main panel, and make all electrical connections. |
| Battery Storage | Install battery system and connect to inverter (if included in scope). |
Commissioning & Closeout
| Task | Description |
|---|---|
| System Testing | Test the system, verify production, and confirm monitoring is working. |
| Inspections | Pass building and electrical inspections. |
| Utility Interconnection | Coordinate meter swap or net metering setup with the utility. Get permission to operate. |
Timeline & Milestones
Typical timeline for a residential solar installation. Permitting and utility timelines vary by location.
| Phase | Duration | Description |
|---|---|---|
| Design & Permits | 2-6 weeks | Site assessment, system design, permit applications, and utility paperwork. |
| Installation | 1-3 days | Racking, panels, inverter, and electrical connections. |
| Inspection & Interconnection | 1-4 weeks | Building inspection, utility approval, and system activation. |
Roles & Responsibilities
Property Owner
- •Provide roof or site access
- •Approve system design and equipment selections
- •Sign utility interconnection paperwork
- •Process payments per the agreed schedule
Solar Contractor
- •Design the system and handle all permitting
- •Supply and install all equipment
- •Coordinate inspections and utility interconnection
- •Set up system monitoring
- •Provide warranty documentation
Materials & Equipment
Solar Equipment
- •Solar panels (quantity and wattage per design)
- •Inverter (string, micro, or hybrid)
- •Racking and mounting hardware
- •Battery system (if applicable)
Electrical
- •Conduit and wiring
- •Disconnect switches
- •Breakers and panel connections
- •Monitoring equipment
Roofing
- •Roof attachments and lag bolts
- •Flashing and sealant
- •Conduit covers and trim
Quality Control Standards
NEC Compliance
All electrical work meets the National Electrical Code, including rapid shutdown requirements.
Manufacturer Specs
Equipment installed per manufacturer guidelines to maintain warranty coverage.
Roof Integrity
All roof penetrations properly flashed and sealed to prevent leaks.
Safety Protocols
Fall Protection
Use harnesses, anchors, and proper fall protection for all rooftop work.
Electrical Safety
Follow lockout/tagout procedures. Solar panels produce voltage whenever exposed to light.
Lifting Safety
Use proper lifting techniques and equipment to move panels to the roof.
Project Documentation
- Signed contract and scope of work
- System design and production estimate
- Permit and inspection records
- Utility interconnection agreement
- Equipment warranties and spec sheets
- Monitoring system login credentials
Financial Terms
Payment Structure
Payments tied to milestones — deposit at contract signing, progress payment at installation, final payment after system is operating.
Terms & Conditions
- •Deposit due at contract signing (typically 10-20%)
- •Progress payment due after installation is complete
- •Final payment due after inspection and utility approval
- •Change orders require written approval
- •Payment due within 30 days of invoice
Acceptance Criteria & Sign-Off
The project is considered complete when the following criteria are met:
- 1Solar panels mounted securely with no roof leaks
- 2System producing electricity and monitoring is active
- 3All inspections passed
- 4Utility interconnection approved and meter activated
- 5Client has monitoring access and warranty documentation
- 6Work area cleaned up
Frequently Asked Questions
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