Tesla Energy news covering Powerwall, Megapack, and solar products. Plus battery technology breakthroughs, 4680 cell updates, and grid-scale energy storage developments.

Tesla UK Launches Renewable Energy Bundle With Solar, Powerwall 3 & Model 3

Tesla UK Launches Renewable Energy Bundle With Solar, Powerwall 3 & Model 3

ChargingSarah Chen 1 min read

Tesla UK's new Renewable Energy Bundle pairs solar + Powerwall 3 for £199/month. Add a Model 3 and it's £494/month total. Here's what existing owners need to know.

Giga Texas Is Building Tesla's Folding Superchargers at Scale

Giga Texas Is Building Tesla's Folding Superchargers at Scale

ChargingSarah Chen 3 min read

Tesla's Giga Texas Supercharger workshop has been running for 6 months, now assembling Folding Unit V4s that cut install costs 20% and deploy 2x faster.

Tesla Semi's 25 kW ePTO Can Power Refrigerated Trailers

Tesla Semi's 25 kW ePTO Can Power Refrigerated Trailers

Energy & BatterySarah Chen 3 min read

Tesla's Semi ePTO delivers 25 kW to run refrigerated trailers without diesel. Here's what it means for fleet electrification and the Semi's commercial case.

Is Tesla's 4680 Battery Bet Costing It Its EV Lead?

Is Tesla's 4680 Battery Bet Costing It Its EV Lead?

Energy & BatterySarah Chen 3 min read

Fred Lambert argues Tesla's 4680 in-house battery strategy is hurting its competitive position. Here's what the data actually shows. Read the full analysis.

Tesla Semi Long Range Battery Specs Confirmed: 822kWh, NMCA 4680 Cells

Tesla Semi Long Range Battery Specs Confirmed: 822kWh, NMCA 4680 Cells

Energy & BatterySarah Chen 3 min read

Regulatory filings confirm the Tesla Semi Long Range packs an 822kWh battery using NMCA 4680 cells, delivering 500 miles at 82,000 lbs GCW. Here's the full picture.

Tesla Megapack Project Breaks Ground in South Australia

Tesla Megapack Project Breaks Ground in South Australia

Energy & BatterySarah Chen 2 min read

A $225M Tesla Megapack battery project is coming to Koolunga, SA — 444 units, 800MWh capacity, commissioning set for September 2027. Here's what to know.

Tesla Australia: Battery Storage Now 55% of Revenue in 2025

Tesla Australia: Battery Storage Now 55% of Revenue in 2025

Energy & BatterySarah Chen 2 min read

Tesla Australia's battery storage hit 55% of revenue in 2025 while earning its first $3M from emissions credits. Here's what the numbers actually mean.

Tesla Adding In-App Battery Certificates for Repairs and Replacements

Tesla Adding In-App Battery Certificates for Repairs and Replacements

Energy & BatterySarah Chen 1 min read

Tesla is rolling out official in-app certificates for high voltage battery repairs and replacements — a transparency win for resale value and buyer confidence.

Tesla Supply Chain Director Chris Long Departs for Bloom Energy

Tesla Supply Chain Director Chris Long Departs for Bloom Energy

Energy & BatteryMarcus Reed 1 min read

Chris Long, Tesla's Director of Data Center and Electronics Supply Chain, has left the company to return to Bloom Energy. Here's what we know.

Musk's Lunar Mass Driver Vision: The Path to Petawatt Energy

Musk's Lunar Mass Driver Vision: The Path to Petawatt Energy

AI & RoboticsSarah Chen 3 min read

Elon Musk says mass drivers on the Moon are the path to petawatt-scale energy. Here's what that means, what SpaceX is planning, and how far along it is.

Tesla Powerwall 3P Launches in Europe at Gigafactory Berlin

Tesla Powerwall 3P Launches in Europe at Gigafactory Berlin

ChargingSarah Chen 2 min read

Tesla Energy officially launched the Powerwall 3P at Gigafactory Berlin. Here's what European homeowners need to know about specs, capacity, and availability.

Tesla's Lathrop Megafactory Now Produces 200 Megapacks a Week

Tesla's Lathrop Megafactory Now Produces 200 Megapacks a Week

Energy & BatterySarah Chen 1 min read

Tesla's Lathrop Megafactory hits 200 Megapacks per week — 10,000 annually, 40 GWh of storage capacity. Here's what the milestone means for Tesla Energy.