PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
Battery Capacity Chart by Backup Need
Battery Capacity Chart by Backup Need How many kWh of battery backup your essentials need, by load and hours, with solar and generator pairing math. Battery capacity chart by backup need Battery...
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LFP vs NMC: Which Battery Chemistry Belongs in Your Home?
LFP vs NMC home batteries compared: cycle life, safety, cost per kWh, and which chemistry fits your install...
Microgrid Integration with Commercial BESS: Grid-Forming Design | PES Supply
Microgrid Integration with Commercial BESS: Grid-Forming Design and Revenue How a commercial battery becomes a microgrid node —...
Tesla Powerwall Alternatives — Enphase, Fortress, EG4, SimpliPhi | PES Supply
Tesla Powerwall Alternatives — Enphase, Fortress, EG4, SimpliPhi | PES Supply PES Supply doesn't stock Tesla Powerwall —...
Solar Battery & ESS Distributor: Fortress, EG4, SimpliPhi, Enphase, BYD | PES Supply
Solar Battery & ESS Distributor: Fortress, EG4, SimpliPhi, Enphase, BYD | PES Supply PES Supply is the direct...
Batteries & Storage
View all Batteries & Storage →Battery Capacity Chart by Backup Need
Battery Capacity Chart by Backup Need How many kWh of battery backup your essentials need, by load and...
LFP vs NMC: Which Battery Chemistry Belongs in Your Home?
LFP vs NMC home batteries compared: cycle life, safety, cost per kWh, and which chemistry fits your install...
Microgrid Integration with Commercial BESS: Grid-Forming Design | PES Supply
Microgrid Integration with Commercial BESS: Grid-Forming Design and Revenue How a commercial battery becomes a microgrid node —...
Commercial BESS Financing and Investment Tax Credit: 2026 Playbook | PES Supply
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. Commercial BESS Financing and...
Generators
View all Generators →
Generac PWRcell Cost Guide (2026): System Pricing, Sizing & Is It Worth It
Generac PWRcell cost in 2026 — inverter, cabinet and battery module pricing, cost per kWh vs. other home...
Electrical & Code
View all Electrical & Code →
UL 9540 vs UL 9540A BESS Compliance: What the AHJ Actually Asks For | PES Supply
UL 9540 vs UL 9540A BESS Compliance: What the AHJ Actually Asks For The difference between a system...
HVAC
View all HVAC →New hvac coverage is in the works — browse all hvac articles →
Industry Desk
View all Industry Desk →
Commercial BESS Financing and Investment Tax Credit: 2026 Playbook | PES Supply
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. Commercial BESS Financing and...
The Latest
LFP vs NMC: Which Battery Chemistry Belongs in Your Home?
LFP vs NMC home batteries compared: cycle life, safety, cost per kWh, and which chemistry fits your install...
Microgrid Integration with Commercial BESS: Grid-Forming Design | PES Supply
Microgrid Integration with Commercial BESS: Grid-Forming Design and Revenue How a commercial battery becomes a microgrid node —...
Commercial BESS Financing and Investment Tax Credit: 2026 Playbook | PES Supply
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. Commercial BESS Financing and...
Containerized BESS Selection for Commercial Sites: 500 kWh to 5 MWh | PES Supply
Containerized BESS Selection for Commercial Sites: 500 kWh to 5 MWh How to spec, site, and freight a...
UL 9540 vs UL 9540A BESS Compliance: What the AHJ Actually Asks For | PES Supply
UL 9540 vs UL 9540A BESS Compliance: What the AHJ Actually Asks For The difference between a system...
C&I BESS Peak Shaving and Demand Response: Revenue Stacking Guide | PES Supply
C&I BESS Peak Shaving and Demand Response: Revenue Stacking Guide How commercial and industrial sites turn a 250...
Commercial BESS Distributor Guide: 100 kWh to 5 MWh Systems | PES Supply
Commercial BESS Distributor Guide: 100 kWh to 5 MWh Systems How a distributor-tier partner sources, sizes, and freight-optimizes...
Commercial & Industrial Energy Storage Sizing Guide 50-500 kWh | PES Supply
Commercial & Industrial Energy Storage Sizing Guide 50-500 kWh | PES Supply Commercial and industrial energy storage sizing...
LFP Battery Comparison: Fortress vs EG4 vs SimpliPhi vs Pytes vs BYD | PES Supply
Updated September 2026 — content reviewed and refreshed by the PES team. For current pricing and availability, see...
Tesla Powerwall Alternatives — Enphase, Fortress, EG4, SimpliPhi | PES Supply
Tesla Powerwall Alternatives — Enphase, Fortress, EG4, SimpliPhi | PES Supply PES Supply doesn't stock Tesla Powerwall —...
Solar Battery & ESS Distributor: Fortress, EG4, SimpliPhi, Enphase, BYD | PES Supply
Solar Battery & ESS Distributor: Fortress, EG4, SimpliPhi, Enphase, BYD | PES Supply PES Supply is the direct...
How to Extend Solar Battery Life: Maintenance Tips and Best Practices
How to Extend Solar Battery Life: Maintenance Tips and Best Practices Depth of discharge, temperature management, charge rates,...
Solar Battery Sizing: How to Calculate Storage Needs for Off-Grid Living
PES PES Supply Editorial Team Trade expertise from 50,000+ SKUs and 169 authorized brands Solar Battery Sizing: How...
Generac PWRcell Cost Guide (2026): System Pricing, Sizing & Is It Worth It
Generac PWRcell cost in 2026 — inverter, cabinet and battery module pricing, cost per kWh vs. other home...
Battery Backup Runtime Calculator: How Long Will Your Battery Last?
Battery backup runtime chart by battery size and load — the runtime formula, depth-of-discharge rules for LiFePO4 vs...