“Built for the Valley, Powered by the Sun”
Fresno, California
RESIDENTIAL & COMMERCIAL CONTRACTORS
Featured Products
Storage Systems
Power Management
Our Solar Services
Solar System Design
We provide tailored solar system designs that maximize efficiency, meet your energy needs, and comply with local codes. From residential to commercial projects, our experts ensure every system is optimized for performance, reliability, and long-term savings.
System Install
Our professional solar installation services ensure safe, efficient, and code-compliant system setups. We handle everything from permitting to final connection, delivering clean energy solutions with quality workmanship and attention to detail.
System Maintenance
We offer reliable solar system maintenance to keep your energy investment running at peak performance. From routine inspections to troubleshooting and repairs, our team ensures long-term efficiency, safety, and peace of mind.
EG4 ELECTRONICS.
EG4 Electronics offers reliable, affordable, and user-friendly solar technology designed to put power back in your hands. From high-performance inverters and lithium batteries to cutting-edge microgrid solutions like the GridBOSS, EG4 provides everything you need for energy independence. Their systems are built for flexibility—whether you're off-grid, grid-tied, or hybrid—and backed by industry-leading support, advanced monitoring tools, and trusted engineering.
Choose EG4 if you want:
Unmatched Value: Premium features at competitive prices
Complete Integration: Batteries, inverters, and power management all from one brand
DIY-Friendly: Intuitive designs for smooth installation and easy monitoring
Scalable Solutions: Grow your system as your energy needs increase
Expert Support: Technical help from a U.S.-based team and active installer community
Whether you're powering a home, cabin, or commercial space, EG4 makes solar simple, smart, and sustainable.
About
our company
At GridStone Developments, transparency and trust are the foundation of everything we do. We believe in honest communication, fair pricing, and doing the job right the first time—no surprises, no shortcuts. At the forefront of innovation, we’re proud to deliver cutting-edge renewable and alternative energy solutions that drive sustainability and efficiency. Our expertise empowers homeowners and businesses to reduce their carbon footprint while optimizing energy performance. With a commitment to excellence and integrity, we promise a better experience—one built on trust, innovation, and real results.
Contact Us
We’re here to help you take the next step toward energy independence and smarter building solutions. Whether you're ready for a custom quote, have questions about our services, or just want to explore your options, we’d love to hear from you. At Gridstone Developments, you’ll always get honest answers, expert guidance, and a team that puts your goals first. Reach out today—we’re ready when you are.