🦜 Joule Post
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Energy transition news: solar, wind, energy storage, hydrogen, nuclear, and electric vehicles.
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Global Electric Car Registrations Hit 11 Million as US Sales Fall 29 Percent
https://www.joulepost.com/global-ev-registrations-11-million-2026/
Published: November 3, 2026 01:00
PwC counted a record 11 million battery-electric registrations in 43 markets in the first nine months of 2026, while the United States fell to about 746,000 and Germany surged 58 percent to 604,000.
UK Warm Homes Loans Offer £15,000 for Solar Panels With No Upfront Cost
https://www.joulepost.com/uk-warm-homes-loans-solar-battery-2026/
Published: November 2, 2026 20:00
The UK government opened Warm Homes loans on 27 October 2026 through ten lenders, with solar panels and batteries each capped at £15,000 (pounds sterling) and some loans interest free.
A 25-Year Solar Panel Warranty Covers Three Different Clocks
https://www.joulepost.com/solar-panel-warranty-explained-2026/
Published: November 2, 2026 14:00
Most panels carry a 25-year performance warranty, while product cover runs 12 to 40 years by model and workmanship cover is a separate installer term that buyers must check before signing.
Hydrogen Cars Carry 42 California Stations Against 263,141 EV Charging Ports
https://www.joulepost.com/hydrogen-cars-vs-battery-evs-2026/
Published: November 2, 2026 09:00
California had 42 open retail hydrogen stations in September 2026 against 263,141 electric charging ports nationwide, and that gap decides the car choice for most drivers today.
Solar and Storage Saved Texas and California $6.05 Billion in One Summer
https://www.joulepost.com/solar-storage-saved-texas-california-6-billion-2026/
Published: November 1, 2026 20:00
SEIA puts summer 2026 wholesale savings at $3.55 billion in Texas and $2.5 billion in California, even as demand rose, while retail bills still climbed on wires costs.
US Solar Installs Waited 63 Business Days on Average to Switch On
https://www.joulepost.com/solar-permit-interconnection-timeline-2026/
Published: November 1, 2026 14:00
NREL’s 2015 study measured 63 business days from interconnection application to permission to operate, while the physical install took just 4 days and Germany now approves small systems in 5 minutes.
Community Solar Cuts Bills 5 to 25 Percent for Homes That Cannot Host Panels
https://www.joulepost.com/community-solar-explained-renters-no-roof-2026/
Published: November 1, 2026 09:00
NREL analysis puts community solar savings at 5 to 25 percent of the bill, with no panels, no roof, and no upfront payment in most subscriptions.
Solar Battery Storage Co-Location Hit 16 Percent of New US Solar in 2026
https://www.joulepost.com/solar-battery-storage-co-location-eia-2026/
Published: October 31, 2026 20:00
More than 30 percent of solar planned for 2027 and 2028 includes a battery, up from 2 percent in 2017, and the shift is reshaping when solar power reaches the grid.
EV Charger Panel Upgrades Are Unnecessary for 70 to 80 Percent of Homes
https://www.joulepost.com/ev-charger-panel-upgrade-load-calculation-2026/
Published: October 31, 2026 14:00
A written load calculation settles the question for most homes because 70 to 80 percent of Level 2 installs need no panel upgrade at all.
Solar Panels in Winter Keep Working in Cold and Snow With One Costly Exception
https://www.joulepost.com/solar-panels-winter-snow-output-2026/
Published: October 31, 2026 09:00
Cold air lifts panel output while snow cover and short days cut winter production, and three snow-covered days on an 8 kW roof cost about $10 in lost power.
CATL Launches 9 MWh TENER+ Battery Into a Market Where Storage Just Beat Gas
https://www.joulepost.com/catl-tener-9mwh-australia-batteries-beat-gas-2026/
Published: October 31, 2026 01:00
CATL launched a 9 MWh container battery in the week Australian grid batteries supplied 8% of evening peak power, ahead of gas at 5.1%. The product launch matters because the market it serves just changed shape.
SEG Solar Commits $950 Million to a 4 GW Texas Solar Cell Plant
https://www.joulepost.com/seg-solar-950m-4gw-texas-cell-plant-2026/
Published: October 30, 2026 20:00
SEG Solar signed a land deal for a $950 million Texas cell plant adding 4 GW of annual capacity in two phases. The real test is whether domestic cells can close the gap to module capacity.
What EV Tax Credits Are Left in 2026 After the $7,500 Credit Ended
https://www.joulepost.com/ev-tax-credit-left-2026/
Published: October 30, 2026 14:00
No federal EV purchase credit remains in 2026. The surviving federal break is a loan-interest deduction worth a few hundred dollars a year for most buyers, and state rebates now do the heavier work.
Joining a Virtual Power Plant Pays Home Battery Owners $75 to $400 a Year in 2026
https://www.joulepost.com/virtual-power-plant-home-battery-worth-it-2026/
Published: October 30, 2026 09:10
A virtual power plant pays a typical home battery owner $75 to $400 a year, but the 20 to 30 percent backup reserve and extra cycling mean it works as an adder, not a payback plan.
What Happens to Old Solar Panels? 78 Million Tonnes of Recycling Math for 2050
https://www.joulepost.com/old-solar-panels-recycling-reuse-2026/
Published: October 30, 2026 09:00
Recycling a retired solar panel recovers up to 95% of its material, yet about 90% of US panels still reach landfill. The gap is economics, and the fix starts with glass.
DOE Offers Constellation $5 Billion to Add 1.1 GW at 8 Operating Nuclear Plants
https://www.joulepost.com/doe-constellation-5-billion-nuclear-uprates-2026/
Published: October 30, 2026 01:00
A conditional $5 billion federal loan would back 1.1 GW of uprates at eight operating Constellation plants, but no individual project has reached a final investment decision yet.
Australia Switched On 7.1 GWh of Big Batteries in Six Months, Beating All of 2025
https://www.joulepost.com/australia-battery-storage-7-1-gwh-h1-2026/
Published: October 29, 2026 20:00
Nine big batteries totalling 7.1 GWh switched on in six months, already beating the 5.1 GWh added across all of 2025, as wholesale prices fell 47%.
Offshore Wind Turbines Are Built for 25 Years and Can Run for 40
https://www.joulepost.com/offshore-wind-turbine-lifespan-repowering-decommissioning/
Published: October 29, 2026 14:00
Offshore turbines reach a fork after about 25 years and owners must choose extension, repowering, or removal, while the removal bill is funded before construction starts and blades stay the hardest part to recycle.
DOE Closes a $5.1 Billion Alliant Loan for 2.6 GW of Iowa and Wisconsin Power
https://www.joulepost.com/doe-alliant-5-1-billion-loan-2026/
Published: October 29, 2026 01:00
The $5.1 billion package funds gas plants, storage and upgrades for nearly 1.8 million homes, up 70% from its $3 billion conditional commitment.
Owning an EV in an Apartment Works in 2026 Without a Home Charger
https://www.joulepost.com/apartment-ev-charging-no-home-charger-2026/
Published: October 28, 2026 20:00
Most apartment drivers need only one or two charges a week, and a workplace-heavy mix costs about $533 a year against $1,334 on fast charging alone.
Samsung Signs a 1 GWh US Battery Deal That Triples Its Alpha Omega Supply to 1.5 GWh
https://www.joulepost.com/samsung-alpha-omega-1-gwh-battery-deal-2026/
Published: October 28, 2026 14:00
Samsung will supply 1 GWh of US-built storage to Alpha Omega, lifting their total to 1.5 GWh for solar projects in Texas and the West from 2027.
Heat Pump vs Gas Furnace Cost in 2026 Favours the Heat Pump by $2,730 Over 10 Years
https://www.joulepost.com/heat-pump-vs-gas-furnace-cost-2026/
Published: October 28, 2026 09:00
A heat pump saves about $2,730 in fuel over 10 years against a 95% furnace at Sacramento rates, before rebates. The winner flips where gas is cheap or winters are severe.
China Leads a New 16-Country Electrification Index as the US Risks Stalling
https://www.joulepost.com/electrification-competitiveness-index-2026-china-us/
Published: October 28, 2026 01:00
China tops a new 16-country electrification index, while the US has more than 2 TW of generation and storage stuck in its interconnection queue, above its 1.3 TW of existing capacity.
Best EV Road Trip Charging Planner Apps in 2026 Put ABRP, PlugShare and Built-In Nav to the Test
https://www.joulepost.com/best-ev-road-trip-charging-planner-apps-2026/
Published: October 27, 2026 20:00
No single app covers a 2026 EV road trip. ABRP plans the route, PlugShare verifies charger status, and built-in nav executes it — a three-app workflow that holds up on real trips.
Maryland Launches a $200 Million Clean Energy Auction to Replace Lost Federal Tax Credits
https://www.joulepost.com/maryland-megawatts-clean-energy-auction-2026/
Published: October 27, 2026 14:00
Maryland’s $200 million Megawatts for Maryland auction replaces canceled federal tax credits with state grants for solar and storage, aiming to add hundreds of megawatts of in-state power over two years.
How to Find a Dead Solar Panel With Your Monitoring App Before It Costs You $100 a Year
https://www.joulepost.com/solar-monitoring-app-dead-panel-2026/
Published: October 27, 2026 09:00
One dead panel cuts a typical 8 kW system by 5% yet hides in monthly totals for months; your monitoring app exposes it in minutes via the per-panel array view.
US EV Sales Split in Q3 2026 as Hybrids Hit 16% and Battery EVs Fell to 6%
https://www.joulepost.com/us-ev-sales-q3-2026-eia-hybrids/
Published: October 27, 2026 01:00
Battery EVs fell to 6% of US sales in Q3 2026 while hybrids hit 16%. Luxury EVs collapsed from 31% to 12% as the post-credit market reset.
Palisades, Crane and Duane Arnold Target 2.25 GW of Nuclear Restarts
https://www.joulepost.com/us-nuclear-restarts-palisades-crane-duane-arnold-2026/
Published: October 26, 2026 20:00
Three shuttered US nuclear plants target 2.25 GW of restarted capacity backed by $4.42bn in federal loans, as 2026 turns restart announcements into fuel loading and hardware.
Check a Used EV’s Battery Health Before You Buy Using SoH, LeafSpy and Red Flags
https://www.joulepost.com/used-ev-battery-health-check-2026/
Published: October 26, 2026 14:00
A used EV is only as good as its battery. A pack at 85% SoH stores 85% of its original energy, so check SoH, LeafSpy readings and red flags before paying.
Net Billing Cut a 9,000 kWh System’s Annual Solar Value to $830 at Low Self-Consumption
https://www.joulepost.com/net-metering-vs-net-billing-2026/
Published: October 26, 2026 09:00
Under net billing, a 9,000 kWh system earns about $830 a year at 35 percent self-consumption, but about $1,377 at 80 percent, so the export credit decides the payback.
US Targets 2.6 GW New England Wind Project in Fourth Offshore Permit Reversal in Days
https://www.joulepost.com/new-england-wind-permit-remand-2026/
Published: October 25, 2026 20:00
US seeks a New England Wind permit remand. The 2.6 GW Massachusetts project is the fourth offshore wind approval targeted, putting 5.5 GW back in play.
Do Solar Panels Need Cleaning? Most Need Far Less Than Sellers Claim
https://www.joulepost.com/do-solar-panels-need-cleaning-2026/
Published: October 25, 2026 14:00
Most tilted, rain-washed rooftop systems need cleaning rarely. Soiling costs about 2% of annual output, and washing pays only when inspection shows a real problem.