Capacity factor turns nameplate gigawatts into actual electricity. Here are the real 2024–25 numbers for solar, wind, coal, gas and nuclear.
Author: Daniel Mercer
Daniel Mercer covers solar, energy storage and the energy transition for Joule Post.
Battery Chemistries Explained: LFP vs NMC vs Sodium-Ion
LFP, NMC and sodium-ion batteries all store clean energy — but they trade energy density, lifespan and cost very differently. Here’s the breakdown.
Net Metering Explained: How Rooftop Solar Credits Work — and Why Utilities and Solar Owners Fight Over Them
Net metering credits rooftop solar owners for power they send to the grid. Here’s how it works — and why it’s the most fought-over policy in solar.
Northland Power Switches On Alberta’s Largest Battery: 80 MW / 160 MWh Jurassic Project
Northland Power switches on Alberta’s largest battery: the 80 MW / 160 MWh Jurassic project, delivered ahead of schedule and fully contracted.
CBAK Energy Signs Deal for 12 GWh Sodium-Ion Battery Plant in Nanjing
CBAK Energy signs a deal for a 12 GWh sodium-ion battery plant in Nanjing, with lines designed to run either sodium-ion or lithium-ion chemistry.
Gotion Targets 400 Wh/kg Solid-State Batteries at $150/kWh With New Jinshi Cells
Gotion targets 400 Wh/kg and US$150/kWh for its Jinshi solid-state cells, raising the bar on the industry’s long-promised battery breakthrough.
Perovskite-Silicon Tandem Solar Cell Hits 30.77% Efficiency With a “Healing” Film Treatment
Perovskite-silicon tandem cells hit 30.77% certified efficiency as a “healing” MASCN treatment solves the defect problem on industrial textured silicon.
Heliene Launches “Fully American” Rooftop Solar Panel With Sunrun Purchase Deal
Heliene’s new 108HC All-Black module uses American-made polysilicon, wafers and cells — with Sunrun signed on as a nationwide residential buyer.
ARRAY Technologies Opens $50 Million Albuquerque Factory, Its Largest Yet
ARRAY Technologies opened a $50M, 216,000-sq-ft Albuquerque factory — its largest — tripling local capacity and adding ~300 solar tracker jobs.
FERC Suspends PJM’s Emergency Data-Center Power Auction Until 2027
FERC suspended PJM’s 6.8 GW data-center-driven capacity auction for five months, ordering the grid operator to make large loads pay their share.