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The BrightVolt Take: The Grid Doesn’t Need Spinning Steel
Germany pays batteries to provide grid inertia and China just switched on 4 GWh of it. Britain’s stability auction gave batteries none of 7.3 GVA. The barrier isn’t physics — it’s the rulebook.
Australia’s Home Batteries Hit 500,000 as US Credit Ends
Australia has installed 507,000 subsidised home batteries in 13 months, adding 14 GWh of storage, just as the US lets its 30% federal battery credit expire and its market turns down.
The BrightVolt Take: Buy Solar, Get 0%. Lease It, Get 40%
Washington ended the 30% tax credit for homeowners who buy rooftop solar, but kept it, up to 40%, for anyone who leases. Analysts now expect two-thirds of US home solar to be third-party owned.
Long-Duration Storage Found Its Buyer: AI Data Centers
Noon Energy and Sabanci just signed to build 1 GW of 100-hour storage for AI data centers. The multi-day battery utilities would not buy has finally found a customer that will.
The BrightVolt Take: The Transformer Is the Real Bottleneck
The US imports 82% of its large power transformers and makes their core steel in one plant. With lead times near three years, the grid’s real bottleneck is a grey box, not the generation mix.
Amflow’s 2026 E-MTBs: Every Headline Number, Translated
150 Nm, 1,500 W, 144 km and a £3,999 carbon enduro bike. All real, all narrower than they sound — the peak torque lasts 60 seconds and the range figure implies the motor contributing 73 watts.
The Motor Ate the Gearbox: How eCVT E-Bike Drives Work
Two Eurobike drives put the gearbox inside the motor and use electricity instead of cogs to change ratio. It is the hybrid car’s power-split transmission, shrunk — and on an e-bike the efficiency it costs is worth about eight kilometres.
Why an E-Bike Battery Beats a Car Battery on Energy Density
A Taycan pack manages 148 Wh/kg. A 2027 e-bike pack claims 243. The bicycle wins on the same cells, because it does not have to be a crash structure, a cooling system or a fire barrier — and that is also why it has almost no headroom left.
Gobao’s Derailleur-Free Drive Published Its Numbers. One of Them Doesn’t Add Up
150 Nm, 1,500 W peak, 3.85 kg and a 500% stepless range, due February 2027. The weight claim is checkable and holds. The battery line-up says an extra 150 Wh costs 100 grams, which no cell on Earth can do.
Essential reading
The explainers the rest of the site links back to, and the numbers behind the headlines.
- Capacity accreditation: why 100 MW counts as 34 MW
- Peaker plants: the priciest power runs least
- Solar capture rate: why more solar earns less
- Why a 350 kW charger never gives you 350 kW
- EV range: CLTC vs WLTP vs EPA
- Lithium plating: why fast charging degrades batteries
- Why an e-bike battery beats a car battery
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News / Reviews / Insights on all things Electric & Alternative Energy
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News / Reviews/ Insights on all things Electric and alternative enegry
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