PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
Engineering Deep Dive: Sizing Solar Arrays for Maximum ROI in Commercial Projects
Commercial solar is won or lost in the sizing model, not on the roof. A 500 kW rooftop that clips 4% annually, ignores the demand tariff, and overvolts its strings on the...
Read the featured article →Latest Articles
Complete Solar System Sizing Guide: From Residential to Commercial (2026 Edition)
A 7 kW array on a roof in Denver and the same 7 kW array on a roof...
Heat Pump and Electrification Boom 2025: Impact on Electrical Supply Demand
The electrification wave arrived at my counter as a parts problem before it arrived anywhere as a policy...
Community Solar Expansion 2025: State Programs and Market Growth
Community solar spent 2025 doing something the industry doesn't like to talk about: contracting. Total U.S. installations fell...
No articles in this category on this page — try the search above or another category.
Shop by Category:
Solar Panels Generators Batteries EV Chargers Circuit Breakers Charge Controllers Commercial SolarBlog posts
View all-
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...
-
How Many Solar Panels Do I Need for 10,000 kWh Per Month? - The Complete 2026 Guide
Need 10,000 kWh per month from solar? This complete 2026 guide from Portlandia Electric Supply breaks down the exact panel count, inverter sizing, battery storage options, and costs for large-scale...
How Many Solar Panels Do I Need for 10,000 kWh Per Month? - The Complete 2026 Guide
Need 10,000 kWh per month from solar? This complete 2026 guide from Portlandia Electric Supply breaks down the exact panel count, inverter sizing, battery storage options, and costs for large-scale...
