PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
Solar Charge Controller Sizing Selector — Array Wattage to Controller Amperage
Solar Charge Controller Sizing Selector — Reference Guide Formulas, tables, and worked examples for sizing a solar charge controller — array Vmp/Voc vs controller max input voltage (Voc × 1.25 per NEC...
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Solar Charge Controller Sizing Selector — Array Wattage to Controller Amperage
Solar Charge Controller Sizing Selector — Reference Guide Formulas, tables, and worked examples for sizing a solar charge...
Morningstar TriStar vs OutBack FLEXmax — Off-Grid Charge Controller Comparison
Updated September 2026 — content reviewed and refreshed by the PES team. For current pricing and availability, see...
Victron SmartSolar MPPT vs MidNite Solar Classic — Charge Controller Comparison
Updated September 2026 — content reviewed and refreshed by the PES team. For current pricing and availability, see...
Solar Charge Controller Distributor: Morningstar, Victron, MidNite, OutBack, Schneider
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. Solar Charge Controller Distributor:...
Batteries & Storage
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Hybrid Inverter Guide: How They Work, Sizing & Best Models (2026)
Hybrid inverters combine solar, battery and grid in one box. How they work, sizing math, hybrid vs. string...
Generators
View all Generators →New generators coverage is in the works — browse all generators articles →
Electrical & Code
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Solar Inverter Sizing Reference Guide: DC/AC Ratio, String Voltage, and Configuration Tables
Reference guide for sizing string inverters: DC/AC ratio math, temperature-corrected string voltage against Vdc-max, hybrid vs grid-tie load...
HVAC
View all HVAC →New hvac coverage is in the works — browse all hvac articles →
Industry Desk
View all Industry Desk →New industry desk coverage is in the works — browse all industry desk articles →
The Latest
Morningstar TriStar vs OutBack FLEXmax — Off-Grid Charge Controller Comparison
Updated September 2026 — content reviewed and refreshed by the PES team. For current pricing and availability, see...
Victron SmartSolar MPPT vs MidNite Solar Classic — Charge Controller Comparison
Updated September 2026 — content reviewed and refreshed by the PES team. For current pricing and availability, see...
Solar Charge Controller Distributor: Morningstar, Victron, MidNite, OutBack, Schneider
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. Solar Charge Controller Distributor:...
Solar Inverter Sizing Reference Guide: DC/AC Ratio, String Voltage, and Configuration Tables
Reference guide for sizing string inverters: DC/AC ratio math, temperature-corrected string voltage against Vdc-max, hybrid vs grid-tie load...
Commercial 3-Phase String Inverter Selector: Chint SCA25KTL, SolarEdge SE33.3K, SMA Tripower CORE1, Fronius Symo, Solis
Commercial 3-phase inverter head-to-head for the 20–60 kW class. kW range, voltage, phase configuration, MPPT count, communication, cabinet...
SolarEdge vs Enphase System Architecture: Optimizer+String vs Microinverter
System-level comparison of SolarEdge's HD-Wave + P-series optimizer platform against Enphase's IQ8 microinverter platform — RSD compliance, monitoring,...
EG4 vs Sol-Ark Hybrid Inverter Comparison: 6000XP, 12000XP, 18kPV, FlexBOSS21 vs 5K, 8K, 12K, 15K, 30K
Head-to-head hybrid inverter spec-out from 6 kW residential to 30 kW commercial. Efficiency, MPPT count, battery compatibility, monitoring,...
Solar Inverter Distributor: EG4, SolarEdge, Enphase, Sol-Ark, Fronius, SMA | PES Supply
PES Supply is a direct distributor for 15+ solar inverter brands. Feature matrix, application decision tree, contractor pricing...
SMA vs Fronius Inverters 2026: Sunny Boy vs Primo GEN24 for Installers
SMA vs Fronius Inverters 2026: Sunny Boy vs Primo GEN24 for Installers By the PES Supply Editorial Team...
Solar Inverter Clipping: Causes, Impact, and How to Avoid It
Solar Inverter Clipping: Causes, Impact, and How to Avoid It By the PES Supply Editorial Team Inverter clipping...
Hybrid Inverter vs. Off-Grid Inverter: Choosing the Right System
The most expensive mistake we see in solar system design isn't a bad panel or a cheap charge...
String Inverter Sizing Guide: How to Match Inverters to Your Solar Array
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. 2026 product line update...
Hybrid Inverter Guide: How They Work, Sizing & Best Models (2026)
Hybrid inverters combine solar, battery and grid in one box. How they work, sizing math, hybrid vs. string...
Empowering Change: How General Electric Solar Inverters Drive Success in Renewable Energy Projects
General Electric has been synonymous with electrical power for more than a century — but when contractors ask...
Best Solar Inverters Review: Top Picks for 2025 | Clean Energy Guide
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. 2026 product line update...
2023 Inverter Technology Evolution: String, Hybrid, and Microinverter Advances
Looking back from 2026, 2023 was the inflection year when the inverter stopped being a commodity and became...