PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
Latest Articles
Generac XD5000E Diesel Portable Generator | Reliable Power for Every Job Site
Diesel portable generators occupy a niche that gasoline units cannot touch: multi-day runtime, fuel that stores safely for...
545-Watt Solar Panel Price: The Ultimate Buyer's Guide to Costs, Specs, and Value
545-Watt Solar Panel Price: The Ultimate Buyer's Guide to Costs, Specs, and Value By the PES Supply Editorial...
SystemEdge 8kW FLEXpower Radian | Hybrid Solar & Energy Storage Solution
SystemEdge 8kW FLEXpower Radian: Hybrid Solar & Energy Storage, Pre-Wired and Field-Proven The OutBack Radian-based package that turns...
Sonali Solar Panels: The Comprehensive Buyers Guide to Smart Solar Power
Sonali Solar Panels: The Comprehensive Buyer's Guide to Smart Solar Power Specs, durability, system sizing math, and the...
How Does a Whole House Generator Work? — Portlandia Electric Supply Explains
A whole-house generator — also called a standby generator — is a permanently installed backup power system that...
A Guide to the Solar Panel Installation Process
Discover the complete solar panel installation process, from site assessment to commissioning. Actionable guidance for installers, EPCs, and...
A Practical Guide to Installing Solar Panels on Poles
Discover how to properly install solar panels on poles with our expert guide. Learn pole selection, mounting hardware,...
Bluesun Solar Panel Buyer's Guide: How to Choose the Right Panel for Your System
Bluesun Solar Panel Buyer's Guide: How to Choose the Right Panel for Your System By the PES Supply...
Canadian Solar Solar Panels Buyer's Guide: How to Choose the Right Panels for Your Home or Business
Canadian Solar Solar Panels Buyer's Guide: How to Choose the Right Panels for Your Home or Business By...
How to Hook Up Solar Panels to Batteries: An Installer's Guide
Learn how to hook up solar panels to batteries with our expert guide. Get safety protocols, wiring diagrams,...
A Guide to Solar Panel Racking Systems
Explore our guide to solar panel racking systems. Learn how to select the right mounting solution for secure,...
Chargeverter 48V: A Comprehensive Guide to Understanding, Selecting, and Using 48V Chargeverters
A 48V chargeverter — the class of device popularized by the EG4 Chargeverter and similar high-current battery chargers...
Symo Advanced 10.0-3 Inverter, 10.0-3 208-240
Fronius Symo Advanced 10.0-3 208-240: The 10 kW Three-Phase Inverter for Light Commercial Solar Datasheet specs, NEC sizing...
10kW Off-Grid Solar System: Solar Panel & Lithium Battery Power
Looking to power your home or business independently from the utility grid? A 10kW Off-Grid Solar System with...
HVAC Duct Sizing Chart: Complete CFM Guide for 2026
Find the right duct size fast with our HVAC duct sizing chart. Covers round and rectangular CFM calculations,...
A Complete Guide to Solar Cable Connectors for Installers & Developers
Explore our complete guide to solar cable connectors. Learn about MC4 vs. Amphenol types, installation, and NEC compliance...
Buy Whole House Generator: The Essential Buyers Guide for Reliable Home Power
Buy Whole House Generator: The Essential Buyers Guide for Reliable Home Power Sizing math, fuel choices, transfer switches,...
Wiring a Solar Panel: A Professional Guide for Installers & Developers
Learn the essentials of wiring a solar panel, including series vs. parallel connections, safety tips, and NEC compliance...
Briggs and Stratton Propane Generators: The Ultimate Buyer's Guide to Reliable Portable Power
Introduction: Briggs & Stratton propane generators in context Provide an overview of Briggs & Stratton propane generators...
Solar Backup Power Systems: A Guide for Installers & Project Owners
Learn how solar backup power systems ensure energy independence. Find out about components, costs, and how to choose...
7kW Ground Mount Solar Panel System for Home
The Homeowner's Case for Putting Solar on the Ground Most solar quotes start on your roof by default,...
10kW Grid-Tie Solar Kit: String Inverter & Solar Panel System
10kW Grid-Tie Solar Kit: String Inverter & Solar Panel System Complete engineering walkthrough: NEC 690.7 string sizing, DC/AC...
Solis 255kW Three Phase String Inverter - Solar Power with MPPT
Maximize solar power with this 255kW three phase string inverter. Featuring MPPT and high input current, it supports...
Solar Interconnection Backlog Crisis 2025: Grid Constraints Delaying Projects Nationwide
Last Updated: 2026 • Sources: LBNL "Queued Up" reports, FERC Orders 2023/2023-A, ISO/RTO public filings and status reports...
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LADWP and Investor-Owned Utility RFPs - A Bidder's Guide for Electrical and Renewable Equipment Supply
LADWP and Investor-Owned Utility RFPs -A Bidder's Guide for Electrical and Renewable Equipment Supply Responding to Los Angeles Department of Water and Power, Southern California Edison, PG&E, ConEd, Duke, TVA,...
LADWP and Investor-Owned Utility RFPs - A Bidder's Guide for Electrical and Renewable Equipment Supply
LADWP and Investor-Owned Utility RFPs -A Bidder's Guide for Electrical and Renewable Equipment Supply Responding to Los Angeles Department of Water and Power, Southern California Edison, PG&E, ConEd, Duke, TVA,...
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Federal Contractor Buy-American Electrical Requirements - FAR 52.225 Compliance for Electrical, Solar, and Grid Equip...
Federal Contractor Buy - American Electrical Requirements - FAR 52.225 Compliance for Electrical, Solar, and Grid Equipment How Buy American Act (FAR 52.225-1) applies to electrical distribution equipment, solar modules,...
Federal Contractor Buy-American Electrical Requirements - FAR 52.225 Compliance for Electrical, Solar, and Grid Equip...
Federal Contractor Buy - American Electrical Requirements - FAR 52.225 Compliance for Electrical, Solar, and Grid Equipment How Buy American Act (FAR 52.225-1) applies to electrical distribution equipment, solar modules,...
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State Cooperative Purchasing Programs for Electrical Equipment - Sourcewell, OMNIA, TIPS, NASPO ValuePoint
State Cooperative Purchasing Programs for Electrical Equipment - Sourcewell, OMNIA, TIPS, NASPO A working guide to the four cooperative purchasing programs that dominate state and local electrical procurement - Sourcewell,...
State Cooperative Purchasing Programs for Electrical Equipment - Sourcewell, OMNIA, TIPS, NASPO ValuePoint
State Cooperative Purchasing Programs for Electrical Equipment - Sourcewell, OMNIA, TIPS, NASPO A working guide to the four cooperative purchasing programs that dominate state and local electrical procurement - Sourcewell,...
