Step-by-Step Pasco Solar Installation Timeline
Going solar in Pasco follows a clear, predictable path. Here are the six key steps from your initial consultation to powering your home with clean energy in Eastern Washington's optimal solar climate:
Consultation & Site Assessment
Duration: 1-2 days
Activity: Energy analysis, roof evaluation, shading study
Pasco Specific: Review of Franklin PUD's solar requirements
Eastern WA Factor: Consider high desert sun exposure (5.2 peak hours)
Output: Custom system design & proposal
Design & Permitting
Duration: 2-3 weeks
Activity: Engineering plans, City of Pasco permit application
Pasco Specific: Submission to Pasco Building Department
Benton County: County permits if outside city limits
Output: Approved building & electrical permits
Equipment Procurement
Duration: 1-2 weeks
Activity: Order panels, inverters, mounting hardware
Pasco Specific: Selection of Franklin PUD-approved equipment
WA Tax Benefit: Sales tax exemption on equipment (8.8% savings)
Output: All equipment delivered to your home
Physical Installation
Duration: 2-4 days
Activity: Roof mounting, electrical wiring, inverter setup
Pasco Specific: Adherence to Eastern Washington building codes
Weather Advantage: Minimal rain delays in Pasco's sunny climate
Output: Fully installed solar system
Inspections & Approvals
Duration: 1-2 weeks
Activity: City/county electrical inspection, Franklin PUD review
Pasco Specific: Building inspector visit, Franklin PUD interconnection approval
Utility Coordination: Franklin PUD net meter installation
Output: Permission to Operate (PTO) from Franklin PUD
System Activation & Monitoring
Duration: 1 day
Activity: Final system commissioning, app setup
Pasco Specific: Franklin PUD net metering activation
Monitoring: Real-time tracking of Eastern WA solar production
Output: Live solar production & immediate savings
Pasco Solar Permit Process Details
All solar installations in Pasco require permits from the City of Pasco Building Department (or Benton County if outside city limits). Here's what you need to know:
City of Pasco Building Department
Permit Type: Residential Solar Photovoltaic System Permit
Application Method: In-person or mail to 525 N 3rd Ave
Typical Fee: $450 - $750 (based on system value)
Required Documents: Site plan, electrical diagram, structural calculations
Contact: Pasco Building Department: (509) 545-3406
Processing Time: 7-10 business days
Pasco-Specific Requirements
Structural Review: Required for all roof-mounted systems
Wind Loading: Must meet Eastern WA wind requirements
Snow Load: 25 psf minimum for roof structures
Setback Requirements: From roof edges and ridges
Energy Code: Must meet Washington State Energy Code
Historic Districts: Additional review if applicable
Benton County Permits
When Required: Properties outside Pasco city limits
Department: Benton County Building Department
Location: 2618 N. Columbia Center Blvd, Richland
Fee Structure: Similar to city, based on valuation
Rural Considerations: Additional requirements for agricultural zones
Contact: (509) 736-3080
Pasco City & County Inspection Requirements
After installation, your solar system must pass multiple inspections before receiving Permission to Operate (PTO) from Franklin PUD:
Electrical Rough-In Inspection
Timing: After wiring, before wall/ceiling closure
Inspector: City of Pasco or Benton County Electrical Inspector
Focus: Wiring methods, grounding, junction boxes
Code: National Electrical Code (NEC) + Washington amendments
Result: Approval sticker if passed
Scheduling: Call (509) 545-3406 for city inspections
Final Electrical Inspection
Timing: After full system installation
Inspector: City/County Electrical Inspector
Focus: Complete system safety, labeling, disconnect switches
Critical Check: Rapid shutdown compliance (NEC 690.12)
WA Specific: Washington State Labor & Industries requirements
Result: Final approval for electrical work
Franklin PUD Interconnection Inspection
Timing: After City/County electrical approval
Reviewer: Franklin PUD Engineering Department
Focus: Net metering equipment, production meter
Requirement: Must use Franklin PUD-approved bi-directional meter
Location: 1415 W. Clark St, Pasco
Result: Permission to Operate (PTO) letter
Pasco Inspection Tip:
Schedule your electrical inspections by calling the Pasco Building Department at (509) 545-3406 (or Benton County at 509-736-3080). Most inspections can be scheduled within 2-3 business days. Your solar installer typically handles all inspection scheduling and coordination, including Franklin PUD requirements.
Franklin PUD Connection Process
Franklin PUD has specific requirements for connecting your solar system to the grid. Following their process ensures smooth net metering activation:
Interconnection Application
Form: Franklin PUD Distributed Generation Interconnection Agreement
Timing: Submit before or with permit application
Requirements: System specifications, single-line diagram
Fee: $100 application fee + $500 deposit (refundable)
Approval Time: 15-20 business days
Contact: Franklin PUD Engineering: (509) 547-5591
Equipment Requirements
Meter: Franklin PUD installs bi-directional meter
Inverter: Must be UL 1741 SA compliant
Disconnect: Visible, accessible AC disconnect required
Labeling: Specific warning labels per Franklin PUD standards
Size Limit: Residential systems typically limited to 25 kW AC
Insurance: $1 million liability insurance may be required
Net Metering Program
Program: Franklin PUD Net Energy Metering (NEM)
Credit Rate: Retail rate for excess generation
Annual True-Up: Settlement each April
Carryover: Credits roll over month-to-month
Payment: Excess credits paid at avoided cost rate annually
System Size: Cannot exceed 100% of annual consumption
Pasco Solar: Timeline from Quote to Activation
Understanding the complete timeline helps set proper expectations for your Pasco solar project. Here's the typical schedule from start to finish in Eastern Washington:
Complete Pasco Solar Project Timeline
Weeks 1-2: Consultation & Design
Activities: Site assessment, energy analysis, proposal review
Decision Point: Sign contract, select equipment
WA Benefit: Review Washington sales tax exemption
Weeks 3-5: Permitting & Planning
Activities: Engineering plans, Pasco permit submission, Franklin PUD application
Key Milestone: Permit approval from Pasco Building Department
Washington Timing: Franklin PUD review takes 15-20 business days
Week 6: Installation
Activities: Equipment delivery, roof mounting, electrical work
Duration: Typically 2-4 days of active work
Weather Advantage: Pasco's sunny climate minimizes delays
Weeks 7-9: Inspections & Approval
Activities: City/county electrical inspections, Franklin PUD review
Key Milestone: Permission to Operate from Franklin PUD
Utility Step: Franklin PUD installs net meter
Week 10: Activation & Monitoring
Activities: System commissioning, app setup, monitoring activation
Result: Solar production begins, savings start immediately
Eastern WA Bonus: High production due to abundant sunshine
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