PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
Latest Articles
Solar Panel Output: Summer vs Winter Production Guide
Compare solar panel output in summer vs winter. See real production data, efficiency drops, and tips to maximize...
Best Portable Generators of 2025: Power On the Go
Discover the top portable generators of 2025—perfect for home backup, camping, and emergencies. From quiet inverter models to...
Solar Becomes Top Electricity Source, Surpasses Natural Gas
In 2024, for the first time in history, solar photovoltaic generation in the United States produced more electricity...
Harnessing AI and IoT: Transforming Solar Energy Production and Efficiency
Harnessing AI and IoT: Transforming Solar Energy Production and Efficiency ~16 min read · PES Supply technical editorial...
Power Up Your Life with the 7.38kW Complete Solar Power System – Reliable, Efficient & Future-Ready!
Power Up Your Life with the 7.38kW Complete Solar Power System – Reliable, Efficient & Future-Ready! A complete...
Transforming Energy Projects with Samlex America's Cutting-Edge Energy Solutions
Samlex America has been building power conversion equipment since 1991, and in a market crowded with brands that...
Installing a Rooftop Junction Box: The Complete Guide for Solar Professionals
Every rooftop PV array has to get its DC homeruns through the roof deck somehow, and there are...
Maximizing Solar Efficiency: How Omni Cable Photovoltaic Cables Transform Renewable Energy Systems
Last Updated: 2026 • NEC references: 690.8, 690.31, 310.16 • Voltage-drop math worked with standard copper resistance values...
Leading the Charge: How Crossroads Solar is Shaping the Future of Renewable Energy
Leading the Charge: How Crossroads Solar is Shaping the Future of Renewable Energy Crossroads Solar modules, social-impact manufacturing,...
Unleashing Power: The Top 10 Benefits of Liquid Cooled Standby Generators for Large Enterprises
When a facility cannot afford even seconds of downtime, the generator protecting it is almost always liquid-cooled. Air-cooled...
Scaling Up Sustainability: The Impact of Panasonic's Largest Photovoltaic Model on the Environment
Last Updated: 2026 • Project figures as announced by Panasonic; economics examples are illustrative and marked as such...
Unveiling the Future of Energy: BYD's First Integrated Home Storage System Explained
Unveiling the Future of Energy: BYD's First Integrated Home Storage System Explained BYD Battery-Box specs, NEC 706 compliance,...
High-Volume Energy Solutions: Why Portlandia Electric Supply Is the Trusted Partner
High-volume energy work lives or dies on supply. The installer with a 40-home subdivision package, the EPC staging...
Unlocking Energy Independence: Fronius GEN24 and BYD Batteries Now Approved for California Homes and Businesses
I've been specifying and commissioning Fronius inverters since the SnapINverter generation, and BYD batteries since their first Box...
Solar Energy Solutions for Disaster Resilience and Emergency Response
When the grid fails, a standard solar array shuts down with it — a fact that surprises thousands...
Best Solar Panel Brands and Companies to Consider in 2025
I've specced, hauled, and warranty-claimed solar modules for a living for years, and the question I get at...
Top 10 Solar Inverter Manufacturers: Leading Solar Panel Innovators 2025
Every watt a solar array produces passes through an inverter, which makes the manufacturer behind that box one...
When is a storage battery installed in the circuit of a solar energy system?
The question sounds academic — when is a storage battery installed in the circuit of a solar energy...
What is a battery energy storage system?
A battery energy storage system (BESS) is exactly what the name says — equipment that stores electrical energy...
Understanding The Power of 10kW Generators
Ten kilowatts is the most misunderstood size in the generator aisle. It is far beyond anything you would...
26kW Generator Guide: Generac Review & Specs (2026)
Complete 26kW generator guide with Generac reviews, amp ratings, wire sizes, and full-house load calculations. Compare models and...
Everything You Need to Know About 22kW Generators
What a 22kW Generator Actually Powers in a Real House Champion 22kW aXis Generator (aXis ATS compatible only)...
A Complete Guide to 18kW Generators
A Complete Guide to 18kW Generators The contractor's reference for 18kW standby generator sizing, fuel systems, electrical design,...
Understanding The Performance of 125kW Generators
At 125kW you've left the residential world entirely behind. This is the class that keeps grocery stores cold,...
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EPA Section 608 Certification: Complete Study Guide (Type I, II, III & Universal)
Free EPA 608 certification study guide. Type I, II, III, and Universal exam prep, 22 practice questions, refrigerant recovery rules, and passing tips.
EPA Section 608 Certification: Complete Study Guide (Type I, II, III & Universal)
Free EPA 608 certification study guide. Type I, II, III, and Universal exam prep, 22 practice questions, refrigerant recovery rules, and passing tips.
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N-Type vs TOPCon vs HJT Solar Panels: Which Technology Is Best in 2026?
Last Updated: August 2026 • Solar Cell Technology Comparison for Installers, EPCs & Commercial Buyers The solar panel market has moved beyond traditional P-type PERC. In 2026, most high-performance modules...
N-Type vs TOPCon vs HJT Solar Panels: Which Technology Is Best in 2026?
Last Updated: August 2026 • Solar Cell Technology Comparison for Installers, EPCs & Commercial Buyers The solar panel market has moved beyond traditional P-type PERC. In 2026, most high-performance modules...
