PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
Fuel Transfer Pumps and Handling Equipment for Generators: Selection and Design Guide
Stationary fuel transfer pump sizing (5-100 GPM), day-tank fill controls, duplex arrangements for Level 1 systems, portable transfer for refueling, and the small components that decide reliability.
Read the featured article →Solar
View all Solar →
Safety First: OSHA and NFPA Requirements for Solar Installation Crews
Safety First: OSHA and NFPA Requirements for Solar Installation Crews By the PES Supply Editorial Team Solar installation...
EG4 Solar Products: Leading the Charge in Energy Solutions for Homeowners and Businesses
EG4 Solar Products: The Installer's Guide to the Lineup for Homeowners and Businesses ~16 min read · Brand...
Power Your Life with Champion Portable Generators: Electric Start & Inverter Options
Champion Power Equipment built its reputation the hard way: generators that start on the second pull in January,...
Discover the Best RV Generators: Expert Reviews and Insights on Cummins Inverter Options
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. I've spent enough nights...
Batteries & Storage
View all Batteries & Storage →
Diesel Fuel Storage for Emergency Backup Power: Tanks, Containment, Polishing, and NFPA 110
UL-142 vs UL-2085 tank selection, day tank + main tank layouts, SPCC and NFPA 30, fuel polishing, Tier...
Backup Generators: A Comprehensive Guide to Sizing, Types, Installation, and Maintenance
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. I've been behind the...
Home Generator Solutions: Finding the Best Backup Power for Your Needs
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. Every September the calls...
Generators
View all Generators →
Fuel Transfer Pumps and Handling Equipment for Generators: Selection and Design Guide
Stationary fuel transfer pump sizing (5-100 GPM), day-tank fill controls, duplex arrangements for Level 1 systems, portable transfer...
Diesel Fuel Storage for Emergency Backup Power: Tanks, Containment, Polishing, and NFPA 110
UL-142 vs UL-2085 tank selection, day tank + main tank layouts, SPCC and NFPA 30, fuel polishing, Tier...
Propane Tank and Gas Line Sizing for Standby Generators: NFPA 54 and 58 in Practice
LP tank sizing for runtime and vaporization at design low temp. NFPA 54 vapor-line sizing tables, worked example...
Generator Fuel Infrastructure Complete Guide: Tanks, Lines, Regulators, and Runtime by Fuel
LP vs natural gas vs diesel selection for standby power. Tank sizing by kW and runtime target, NFPA...
Electrical & Code
View all Electrical & Code →
Standby Generator Load Reference Chart — kW Sizing by Appliance
Reference chart of typical residential and small-commercial appliance running and starting watts, plus a load-tier lookup for standby...
Transfer Switch Sizing Chart: Match Amps to Your Generator & Panel
Transfer switch sizing chart — match ATS amperage to your generator kW and service panel, service-entrance vs. select-circuit,...
2024 Generator Market Update: Standby Power Demand Surges with Grid Instability
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. I've spent the last...
HVAC
View all HVAC →New hvac coverage is in the works — browse all hvac articles →
Industry Desk
View all Industry Desk →
2024 Generator Market Update: Standby Power Demand Surges with Grid Instability
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. I've spent the last...
The Latest
Diesel Fuel Storage for Emergency Backup Power: Tanks, Containment, Polishing, and NFPA 110
UL-142 vs UL-2085 tank selection, day tank + main tank layouts, SPCC and NFPA 30, fuel polishing, Tier...
Propane Tank and Gas Line Sizing for Standby Generators: NFPA 54 and 58 in Practice
LP tank sizing for runtime and vaporization at design low temp. NFPA 54 vapor-line sizing tables, worked example...
Generator Fuel Infrastructure Complete Guide: Tanks, Lines, Regulators, and Runtime by Fuel
LP vs natural gas vs diesel selection for standby power. Tank sizing by kW and runtime target, NFPA...
Standby Generator Load Reference Chart — kW Sizing by Appliance
Reference chart of typical residential and small-commercial appliance running and starting watts, plus a load-tier lookup for standby...
Kohler Standby Generator Authorized Distributor — Contractor Pricing
KOHLER authorized-distributor coverage from PES Supply. RESA / RESV residential and commercial diesel & NG standby stocked, contractor...
Briggs & Stratton Standby Generator Authorized Distributor — Contractor Pricing
Briggs & Stratton authorized-distributor coverage from PES Supply. Vanguard residential and Fortress commercial standby stocked with contractor tiers...
Cummins Standby Generator Authorized Distributor — Contractor Pricing
Cummins authorized-distributor coverage from PES Supply. Quiet Connect residential and C-series commercial stocked, contractor tiers, freight economics from...
Generac Standby Generator Authorized Distributor — Contractor Pricing
Generac authorized-distributor coverage from PES Supply. Guardian and Protector Series stocked with matched transfer switches, contractor tiers, next-day...
Standby Generator Distributor — Generac, Cummins, Briggs & Stratton, Kohler
PES Supply is your OEM-authorized standby generator distributor for Generac, Cummins, Briggs & Stratton, and Kohler — contractor...
Generator Transfer Switch Types: Manual vs. Automatic (ATS) Guide
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. Every August we get...
Standby Generator Sizing Calculator: How to Choose the Right kW
PES PES Supply Editorial Team Trade expertise from 50,000+ SKUs and 169 authorized brands Key figures Motor starting...
Generac Extended Warranty Guide: 10-Year Coverage, Cost & Registration
Generac extended warranty explained — what the 5/7/10-year plans cover, what they cost, activation deadlines, and whether the...
Transfer Switch Sizing Chart: Match Amps to Your Generator & Panel
Transfer switch sizing chart — match ATS amperage to your generator kW and service panel, service-entrance vs. select-circuit,...
Generator Fuel Consumption Chart: Propane, Natural Gas & Diesel by kW
How much propane, natural gas, or diesel does a generator use per hour? Consumption chart by kW at...
Safety First: OSHA and NFPA Requirements for Solar Installation Crews
Safety First: OSHA and NFPA Requirements for Solar Installation Crews By the PES Supply Editorial Team Solar installation...
Backup Generators: A Comprehensive Guide to Sizing, Types, Installation, and Maintenance
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. I've been behind the...
EG4 Solar Products: Leading the Charge in Energy Solutions for Homeowners and Businesses
EG4 Solar Products: The Installer's Guide to the Lineup for Homeowners and Businesses ~16 min read · Brand...
Power Your Life with Champion Portable Generators: Electric Start & Inverter Options
Champion Power Equipment built its reputation the hard way: generators that start on the second pull in January,...
Home Generator Solutions: Finding the Best Backup Power for Your Needs
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. Every September the calls...
Discover the Best RV Generators: Expert Reviews and Insights on Cummins Inverter Options
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. I've spent enough nights...
2024 Generator Market Update: Standby Power Demand Surges with Grid Instability
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. I've spent the last...
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Solar Panels Generators Batteries EV Chargers Circuit Breakers Charge Controllers Commercial SolarBlog posts
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New on the Floor: Five Project Kits That Just Landed
Five new project kits hit the PES catalog this week — from a $591 balcony solar pack to a full Enphase storage BOM. Real specs and live prices, verified October...
New on the Floor: Five Project Kits That Just Landed
Five new project kits hit the PES catalog this week — from a $591 balcony solar pack to a full Enphase storage BOM. Real specs and live prices, verified October...
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Winter Storm Season: Portable Generator Demand Climbs — What to Stock Now
Cold-weather outages drive the year's sharpest spike in generator demand. Here's what contractors and homeowners are buying, and how to beat the rush.
Winter Storm Season: Portable Generator Demand Climbs — What to Stock Now
Cold-weather outages drive the year's sharpest spike in generator demand. Here's what contractors and homeowners are buying, and how to beat the rush.
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String Inverter vs Microinverter vs Power Optimizer: How the Architecture Changes
Last Updated: September 2026 • A Technical Comparison for Installers, Contractors, and System Owners Every grid-tied solar system has to convert DC power from the panels into AC power the...
String Inverter vs Microinverter vs Power Optimizer: How the Architecture Changes
Last Updated: September 2026 • A Technical Comparison for Installers, Contractors, and System Owners Every grid-tied solar system has to convert DC power from the panels into AC power the...
