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Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
This Week in Power & Solar: Factory Paper, Tandem Clocks, and the Tariff Floor (Oct 11)
US solar factory capacity is still mostly announcements, tandem cells got a real timeline, tariffs keep writing module price floors, and storage subsidies spread. This week in power — Oct 11, 2026.
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Solar
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This Week in Power & Solar: Factory Paper, Tandem Clocks, and the Tariff Floor (Oct 11)
US solar factory capacity is still mostly announcements, tandem cells got a real timeline, tariffs keep writing module...
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...
Solar + Battery Storage: The Complete 2026 Guide for Homeowners
Last Updated: August 2026 • Home Solar, Battery Backup & Energy Independence Guide Residential solar has changed. A...
The Complete Guide to the ATESS HPS100-US-220D 100kW Hybrid Inverter With Integrated Transformer
Everything you need to know about the ATESS HPS100-US-220D, a 100kW three-phase hybrid inverter with integrated isolation transformer...
Batteries & Storage
View all Batteries & Storage →
This Week in Power & Solar: Factory Paper, Tandem Clocks, and the Tariff Floor (Oct 11)
US solar factory capacity is still mostly announcements, tandem cells got a real timeline, tariffs keep writing module...
LFP Battery Prices in 2026: The Floor Is Close — What to Buy Now
LFP cell prices hit RMB 0.34–0.41/Wh and pack prices $70–125/kWh in 2026. Why the decline is flattening, what...
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...
Solar + Battery Storage: The Complete 2026 Guide for Homeowners
Last Updated: August 2026 • Home Solar, Battery Backup & Energy Independence Guide Residential solar has changed. A...
Generators
View all Generators →New generators coverage is in the works — browse all generators articles →
Electrical & Code
View all Electrical & Code →New electrical & code coverage is in the works — browse all electrical & code articles →
HVAC
View all HVAC →New hvac coverage is in the works — browse all hvac articles →
Industry Desk
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This Week in Power & Solar: Factory Paper, Tandem Clocks, and the Tariff Floor (Oct 11)
US solar factory capacity is still mostly announcements, tandem cells got a real timeline, tariffs keep writing module...
The Latest
LFP Battery Prices in 2026: The Floor Is Close — What to Buy Now
LFP cell prices hit RMB 0.34–0.41/Wh and pack prices $70–125/kWh in 2026. Why the decline is flattening, what...
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...
Solar + Battery Storage: The Complete 2026 Guide for Homeowners
Last Updated: August 2026 • Home Solar, Battery Backup & Energy Independence Guide Residential solar has changed. A...
The Complete Guide to the ATESS HPS100-US-220D 100kW Hybrid Inverter With Integrated Transformer
Everything you need to know about the ATESS HPS100-US-220D, a 100kW three-phase hybrid inverter with integrated isolation transformer...
What Can a 3000 Watt Solar System Run? — Your Complete 2026 Guide
A 3,000-watt solar system produces 12-15 kWh per day and can run your refrigerator, LED lighting, laptop, Wi-Fi,...
Can a 200W Solar Panel Run a 12V System? Complete Guide
Can a 200 watt solar panel power a 12 volt system? We cover fridge runtime, battery charging, charge...
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This Week in Power & Solar — October 20, 2026
The $0.38/W module price floor lands Dec 4, China's export rebate is gone, NEC 2026 rewrites generator shutdown rules, and standby demand keeps climbing.
This Week in Power & Solar — October 20, 2026
The $0.38/W module price floor lands Dec 4, China's export rebate is gone, NEC 2026 rewrites generator shutdown rules, and standby demand keeps climbing.
