Portlandia Electric Supply
Trusted by homeowners and Installers
Industry-leading equipment pricing with no hidden fees or markups
Residential Kits
🚀 Equipment only pricing • Installation available separately • Save $10,000-50,000 vs traditional solar
Complete DIY solar kits for homeowners
| System Size | Equipment Cost | After Tax Credit | Annual Savings | Payback | ||
|---|---|---|---|---|---|---|
| 5kW | $4,950 | $5,740 | $912 | 6.3 years | ||
| 8kW | $7,920 | $9,184 | $1,459 | 6.3 years | ||
| 10kW Most Popular | $9,900 | $11,480 | $1,824 | 6.3 years | ||
| 12kW | $11,880 | $13,776 | $2,189 | 6.3 years | ||
| 15kW | $14,850 | $17,220 | $2,736 | 6.3 years |
| Company | Residential | Installation | Warranty | Value | |||
|---|---|---|---|---|---|---|---|
| PowerLink Network | $0.99/W | Optional | 25+ years | Best Value | |||
| Tesla Solar | $2.40/W | Included | 25 years | ||||
| Sunrun | $3.20/W | Included | 25 years | ||||
| SunPower | $3.80/W | Included | 25 years |
Residential:
$0.99/WInstall:
OptionalWarranty:
25+ yearsFinancing:
2.99% APRResidential:
$2.40/WCommercial:
$2.80/WUtility:
N/AInstall:
IncludedWarranty:
25 yearsFinancing:
3.99% APRResidential:
$3.20/WInstall:
IncludedWarranty:
25 yearsFinancing:
4.99% APRResidential:
$3.80/WInstall:
IncludedWarranty:
25 yearsFinancing:
5.99% APRGet your custom quote today and see exactly how much you can save
Equipment Starting Price
Local Installer Ready Kit's
Average Savings
Portlandia Electric Supply delivers premium solar and electrical power solutions directly to Gaithersburg, Maryland. With access to 3,800+ SKUs and 229 top-tier brands, we serve homeowners, contractors, and developers with high-quality components and expert support.
Solar Panels – Choose from residential modules (400–500 W), commercial panels (500–650 W), and utility-scale units (up to 800 W). All options come with 25-year warranties and BABA compliance, offering durability and efficiency.
Inverters – Flexible options include string inverters (3 kW–125 kW) from SolarEdge, Fronius, and SMA; hybrid inverters from Sol-Ark, SolarEdge, and Outback for energy storage; and microinverters like Enphase IQ8 and APSystems QS1/DS3 for module-level optimization.
Batteries / ESS – Stackable residential ESS from EG4, Fortress Power, Sol-Ark; rackmount commercial/industrial systems from Pylontech, BYD, and CATL; and LiFePO₄ options from Battle Born, Victron, Renogy. These units include 10-year warranties and support hybrid setups.
Generators – Backup power in every form: home standby generators (12–24 kW) from Generac, Kohler, and Briggs & Stratton; commercial generators (25–200 kW) from Cummins and Kohler; plus portable units (2–15 kW) from Champion, Honda, Yamaha.
Local Solar Incentives – Gaithersburg residents enjoy ~4.2 peak sun-hours/day, with electricity around $0.14/kWh, making solar systems highly cost-effective.
Wholesale Pricing & PowerLink Network – Access wholesale discounts, certified installer-ready kits, and benefits like volume pricing and design support.
Residential Solar + Storage – Ideal pairing of panels, hybrid inverters, and stackable ESS for energy independence and resilience.
Commercial or Small-Scale Utility – High-output modules plus hybrid or string inverters give dependable performance for businesses or multi-unit developments.
Backup Power – Standby generators provide seamless reliability during outages in both residential and institutional settings.
Portlandia Electric Supply is your go-to source in Gaithersburg for wholesale pricing, trusted brands, speedy delivery, and technical support. Whether you're installing solar, building microgrids, or securing backup power, we tailor system packages to match local specs, incentives, and your budget.
Get matched with certified professionals for transparent pricing and expert installation services.
Comprehensive solar technology comparison climate and conditions
High-efficiency monocrystalline PERC solar panels
Excellent performance in 4A climate
Latest N-Type TOPCon solar technology
Superior low-light performance conditions
15% more energy generation vs standard
Bifacial glass-glass solar panels optimized
Enhanced durability weather conditions
Ground reflection boost from seasonal snow coverage
Central string inverters solar installations | Brands: Fronius, SolarEdge, Sungrow
Panel-level microinverters complex roof installations | Brands: Enphase, AP Systems
Power optimizers partially shaded installations | Brands: SolarEdge, Tigo
| System Size | Equipment | Installation | Total Cost | Federal Credit | Net Cost | Annual Production | Annual Savings | Payback | Monthly Payment |
|---|---|---|---|---|---|---|---|---|---|
| 5kW | $3,750 | $2,500 | $6,250 | $1,875 | $4,375 | 6,515 kWh | $912 | 4.8 years | $38 |
| 6kW | $4,500 | $3,000 | $7,500 | $2,250 | $5,250 | 7,818 kWh | $1,095 | 4.8 years | $46 |
| 8kW | $6,000 | $4,000 | $10,000 | $3,000 | $7,000 | 10,424 kWh | $1,459 | 4.8 years | $61 |
| 10kW | $7,500 | $5,000 | $12,500 | $3,750 | $8,750 | 13,031 kWh | $1,824 | 4.8 years | $77 |
| 12kW | $9,000 | $6,000 | $15,000 | $4,500 | $10,500 | 15,637 kWh | $2,189 | 4.8 years | $92 |
| 15kW | $11,250 | $7,500 | $18,750 | $5,625 | $13,125 | 19,546 kWh | $2,736 | 4.8 years | $115 |
| 20kW | $15,000 | $10,000 | $25,000 | $7,500 | $17,500 | 26,061 kWh | $3,649 | 4.8 years | $153 |
| 25kW | $18,750 | $12,500 | $31,250 | $9,375 | $21,875 | 32,576 kWh | $4,561 | 4.8 years | $191 |
Everything you need to know about solar build kits, installation, costs, and incentives
Our solar build kits include everything needed: Tier 1 panels (420W-550W), inverters (Enphase IQ8+, SolarEdge, Fronius), mounting systems, monitoring, and permits. Traditional solar companies in charge $2.50-$4.00/W for the same equipment.
✓ Tier 1 solar panels (REC, Panasonic, Q Cells)
✓ Premium inverters (Enphase, SolarEdge, Fronius)
✓ Professional mounting systems (IronRidge)
✓ Monitoring systems and production tracking
✓ Professional design and permit drawings
✓ 25-year comprehensive warranties
Traditional solar companies markup equipment 200-400% to cover sales commissions, marketing costs, and dealer profits. PES eliminates these markups by selling direct to customers at wholesale pricing.
• 40% Sales commissions
• 25% Marketing & advertising
• 20% Dealer markups
• 15% Corporate overhead
• Complex financing fees
• No sales commissions
• No marketing markups
• Direct from distributor
• Wholesale pricing only
• Simple cash pricing
REC Solar
Alpha Pure-R
420W
Efficiency:22.3%
Warranty:25 years
Panasonic
EverVolt
445WE
fficiency:22.2%
Warranty:25 years
Q Cells
Q.PEAK DUO
500W
Efficiency:21.9%
Warranty:25 years
All PES solar build kits include only Tier 1 solar panel manufacturers - companies with proven financial stability, manufacturing quality, and 25+ year track records. These panels are identical to those used by Tesla, SunPower, and other premium Installer Ready Kit's.
✓ Financial stability (Bloomberg Tier 1 rating)
✓ Proven manufacturing quality control
✓ 25-year performance warranties
✓ Industry-leading efficiency ratings
✓ Low degradation rates (<0.5%/year)
✓ Excellent weather resistance
✓ Strong resale value protection
✓ Insurance compatibility
Monocrystalline PERC:High efficiency, excellent low-light performance
N-Type TOPCon:Latest technology, higher efficiency, better temperature performance
Bifacial Glass-Glass:Dual-sided production, 30-year lifespan, commercial applications
Brands:Enphase IQ8+, SolarEdge Power Optimizers
Performance:Panel-level optimization
Monitoring:Individual panel monitoring
Shading:Excellent shading tolerance
Warranty:25 years
Safety:No high-voltage DC on roof
Cost Premium:+$0.10-0.15/W
Brands:Fronius, SolarEdge, SMA
Performance:String-level optimization
Monitoring:String-level monitoring
Shading:Reduced output with shading
Warranty:10-12 years
Safety:High-voltage DC on roof
Cost:Lower upfront cost
Choose Microinverters if:You have shading issues, complex roof shapes, want maximum production, or plan to add panels later
Choose String Inverters if:You have simple roof layouts, no shading, want lower upfront costs, or have utility-scale installations
Most Popular:75% of residential customers choose Enphase IQ8+ microinverters for the 25-year warranty and superior performance
Microinverters (Optimal Conditions):
Annual Production: 16,200 kWh
25-Year Production: 405,000 kWh
String Inverters (Optimal Conditions):
Annual Production: 15,800 kWh
25-Year Production: 390,000 kWh
EG4 LifePower4
Capacity:5kWh modules
Type:LiFePO4
Cycles:6,000+
Warranty:10 years
Cost:$1,200-1,500
Tesla Powerwall 3
Capacity:13.5kWh
Type:Lithium-ion
Cycles:5,000
Warranty:10 years
Cost:$15,000-18,000
Enphase IQ Battery
Capacity:5kWh modules
Type:LiFePO4
Cycles:6,000+
Warranty:15 years
Cost:$7,000-9,000
✓ Backup power during outages
✓ Peak shaving (reduce demand charges)
✓ Time-of-use optimization
✓ Grid independence capability
✓ Storm preparedness
✓ Electric vehicle charging
✓ Future grid resiliency
✓ Increased home value
Essential Loads (lights, refrigerator, WiFi):10-15kWh (1-2 batteries)
Partial Home Backup:20-30kWh (2-3 batteries)
Whole Home Backup:40-60kWh (3-4 batteries)
Off-Grid Capable:60-100kWh (4-6+ batteries)
Federal Solar Tax Credit (ITC) Details for 2024:
✅ What Qualifies
• Solar panels and mounting systems
• Inverters and electrical components
• Battery storage systems (if solar charged)
• Installation labor costs
• Permits and inspection fees
• System design and engineering
💰 Tax Credit Calculation
10kW System Cost: $17,195
Federal Tax Credit (30%) : $5,159
Net System Cost: $12,036
Effective Cost per Watt: $1.13/W
Important Tax Credit Rules Residents:
• Tax credit is dollar-for-dollar reduction in federal taxes owed
• Must have sufficient tax liability to claim full credit
• Unused credits can be carried forward to future tax years
• System must be placed in service by December 31, 2034
• Credit applies to primary and secondary residences
• No maximum limit on credit amount
⏰ Tax Credit Schedule (Don't Wait!):
2024-2032: 30% tax credit
2033: 26% tax credit
2034: 22% tax credit
2035+: No federal tax credit
The 30% federal solar tax credit saves the average homeowner $5,000-15,000 on their solar build kit installation. This is a dollar-for-dollar reduction in federal taxes owed, not a deduction.
Local Solar Incentives & Rebates:
IN State Solar Incentives
Local Utility Programs
Total Incentive Stack Example (10kW System):
System Cost (PES Build Kit + Installation):
$17,195
Federal Tax Credit (30%):
-$5,159
State/Local Incentives:
-$1,000
Utility Rebates:
-$500
Net Cost After All Incentives:
$10,536
Effective Cost: $0.99/W Installed!
⚠️ Important Incentive Deadlines:
PES solar specialists stay current on all incentives and will help you maximize available rebates and tax credits. Total incentives typically reduce system costs by 40-60%.
Get a custom quote for your solar build kit with professional installation
Real savings and payback results from PES equipment and Installer Ready Kit's
$16,500
Average Total Savings
$1.61/W
Installed System Cost
6.5 years
Average Payback
2-3 weeks
Install Timeline
JR
Jennifer R
PowerLink Installation
⚡ 8.5kW • 💰 Saved $1,551/year vs traditional pricing
The PowerLink Installer Ready Kit's was professional and the pricing was transparent. Our Duke Energy bills went from $168 to under $20/month. The system produces exactly what was promised.
✓ PES Customer
Installed 5 months ago
MT
Mark T
DIY Installation
⚡ 12kW DIY • 💰 Saved $6,689 total vs traditional pricing
Saved $4,500 on installation by going DIY. The kit included everything needed and the support team helped with Hamilton County permitting. System performs better than expected climate.
✓ PES Customer
Installed 11 months ago
S&BK
Sarah & Bob K
PowerLink Installation
⚡ 15kW Commercial • 💰 Saved $3,284/year vs traditional pricing
Our manufacturing facility needed reliable backup power. The PowerLink team coordinated everything including Duke Energy interconnection. ROI exceeded projections by 15%.
✓ PES Customer
Installed 10 months ago
JR
Jennifer R
PowerLink Installation
⚡ 8.5kW • 💰 Saved $1,551/year vs traditional pricing
The PowerLink Installer Ready Kit's was professional and the pricing was transparent. Our Duke Energy bills went from $168 to under $20/month. The system produces exactly what was promised.
✓ PES Customer
Installed 5 months ago
MT
Mark T
DIY Installation
⚡ 12kW DIY • 💰 Saved $6,689 total vs traditional pricing
Saved $4,500 on installation by going DIY. The kit included everything needed and the support team helped with Hamilton County permitting. System performs better than expected climate.
✓ PES Customer
Installed 11 months ago
S&BK
Sarah & Bob K
PowerLink Installation
⚡ 15kW Commercial • 💰 Saved $3,284/year vs traditional pricing
Our manufacturing facility needed reliable backup power. The PowerLink team coordinated everything including Duke Energy interconnection. ROI exceeded projections by 15%.
✓ PES Customer
Installed 10 months ago
🎯 Join thousands of customers saving with PES wholesale pricing
Professional-grade equipment with up to 25 year warranties
PES delivers revolutionary pricing with fast payback periods - Real equipment, real savings
Equipment Pricing
Avg Payback
Warranties
Professional Equipment • Fast Payback • 25-Year Warranties • Local Installation
