Trusted Solar Technology Partners
At 603 Solar, we believe your solar energy system is only as good as the equipment behind it. That’s why we partner with some of the most trusted manufacturers in the solar industry to provide high-performance solar panels, inverters, and battery storage solutions.
Rather than offering a one-size-fits-all system, we evaluate your home’s energy needs, roof design, budget, and long-term goals to recommend the equipment that delivers the best performance and value. Our partnerships with industry-leading brands allow us to design customized solar solutions backed by proven technology, strong warranties, and reliable support.
Industry-Leading Solar Panel Partners
Solar panels are the foundation of every solar energy system. We work with premium manufacturers known for efficiency, durability, and long-term performance to ensure our customers receive dependable energy production for decades to come.
Qcells
Qcells is one of the most recognized names in residential solar. Known for advanced cell technology, exceptional reliability, and strong warranties, Qcells panels deliver excellent performance in a wide range of weather conditions.
Highlights:
- High-efficiency solar modules
- Proven reliability and durability
- Strong manufacturer warranties
- Excellent value for homeowners
REC Solar
REC Solar has built a reputation for producing premium solar panels with industry-leading efficiency and long-term energy production. Their innovative technology helps maximize power output while maintaining exceptional reliability.
Highlights:
- Premium performance panels
- High energy yield
- Advanced cell technology
- Industry-leading warranty options
SEG Solar
SEG Solar manufactures high-performance photovoltaic modules designed to provide reliable energy production and long-term value. Their products are engineered to meet the demands of modern residential and commercial solar systems.
Highlights:
- Reliable energy production
- Advanced manufacturing standards
- Excellent performance-to-cost ratio
- Durable construction
Silfab Solar
Silfab Solar is one of North America’s leading solar manufacturers, known for producing high-quality panels designed specifically for the North American market. Their products combine efficiency, durability, and excellent warranty protection.
Highlights:
- North American manufacturing
- High-performance modules
- Strong warranty coverage
- Designed for harsh climates
Hyundai Solar
Backed by the Hyundai name, Hyundai Solar panels are recognized worldwide for quality engineering and dependable performance. Their modules are built to withstand challenging weather conditions while delivering strong energy output.
Highlights:
- Global brand recognition
- High-quality engineering
- Reliable performance
- Robust product warranties
Canadian Solar
Canadian Solar is one of the world’s largest solar manufacturers and has installed gigawatts of solar capacity across the globe. Their panels are known for reliability, efficiency, and proven field performance.
Highlights:
- Global industry leader
- Proven performance record
- High-efficiency products
- Trusted by homeowners worldwide
Premium Solar Inverter Partners
Solar panels generate electricity, but inverters make that power usable for your home. We work with industry-leading inverter manufacturers that provide efficient energy conversion, system monitoring, and long-term reliability.
Enphase Energy
Enphase is a leader in microinverter technology, allowing each solar panel to operate independently for improved performance and system visibility. Enphase systems offer advanced monitoring and exceptional reliability.
Highlights:
- Industry-leading microinverters
- Panel-level monitoring
- Increased system efficiency
- Excellent reliability and support
SolarEdge
SolarEdge combines power optimizers with advanced inverter technology to maximize energy production and provide detailed system monitoring. Their systems are trusted by homeowners around the world.
Highlights:
- Advanced optimization technology
- Detailed performance monitoring
- Enhanced system efficiency
- Proven reliability
Home Battery Storage Partners
Battery storage allows homeowners to store excess solar energy for use during outages, peak utility rate periods, or nighttime consumption. We partner with leading battery manufacturers to provide dependable backup power and energy independence.
Enphase IQ Battery
The Enphase IQ Battery integrates seamlessly with Enphase solar systems, offering flexible energy storage and smart energy management for homeowners seeking greater control over their energy usage.
Highlights:
- Modular design
- Smart energy management
- Seamless Enphase integration
- Reliable backup power
Tesla Powerwall
Tesla Powerwall is one of the most recognized home battery systems available today. It stores excess solar energy and automatically provides backup power when the grid goes down.
Highlights:
- Whole-home backup capabilities
- Intelligent energy management
- Sleek design
- Trusted Tesla technology
FranklinWH
FranklinWH delivers whole-home energy management and backup power solutions designed to maximize energy independence and resilience. Their systems provide flexible storage options and comprehensive energy control.
Highlights:
- Whole-home backup solutions
- Advanced energy management
- Scalable storage capacity
- Reliable emergency power
Sigenergy SigenStor
Sigenergy’s SigenStor platform combines battery storage, energy management, and future-ready technology into a flexible home energy solution. Designed for performance and scalability, SigenStor helps homeowners take greater control of their energy.
Highlights:
- Intelligent energy management
- Modular storage architecture
- Backup power capability
- Future-ready technology
Areas We Serve
We proudly serve all of New Hampshire, Southern Maine, and Northern Massachusetts. No matter where you're located within these regions, you can count on reliable, professional service tailored to your local needs.
Not Sure Which Equipment Is Right For You?
Every home is different, which is why 603 Solar designs customized solar energy systems using equipment from the industry’s most trusted manufacturers. Our team will evaluate your property, energy usage, and goals to recommend the ideal combination of panels, inverters, and battery storage.