PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
AC-Coupled vs. DC-Coupled Battery Systems: Pros, Cons, and Use Cases
Every battery-storage conversation we have at the counter eventually lands on the same fork in the road: AC-coupled or DC-coupled? The terms describe where the battery connects to your solar system —...
Read the featured article →Latest Articles
Battery Management Systems (BMS): What They Do and Why They Matter
Every lithium battery pack that is safe to own has a battery management system inside it, and every...
Home Battery Backup: Lithium vs. Lead-Acid vs. Saltwater (2026 Guide)
Home battery backup in 2026 comes down to three chemistries: lithium iron phosphate (LiFePO4), lead-acid in its three...
Tesla Powerwall 2 Guide (2026): Specs, Cost, Installation & What It Runs
Tesla Powerwall 2 in 2026 — 13.5 kWh specs, gateway requirements, real installed cost, what it can run...
Home Battery Bank Sizing Guide: How Many kWh of Storage Do You Actually Need?
Size your home battery bank from real usage data: kWh math by load, lithium vs lead-acid, and in-stock...
Battery Storage Cost Parity 2025: When Solar+Storage Beat Peaker Plants
Sometime in 2025, without any single headline announcing it, the economics of the American grid crossed a line:...
Virtual Power Plants 2024: How Distributed Solar+Storage Became Grid Infrastructure
A few summers back I was standing in a garage in Houston with a homeowner, a fresh Powerwall...
Battery Storage in 2022: The Year Grid-Scale Storage Went Mainstream
Every industry has a year it points to and says "that is when everything changed." For American battery...
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...
