BrightVolt charts

Every chart and diagram we have published — 85 of them — free to reuse with a credit and a link.

We draw these ourselves, from primary sources, and check the figures against a second source before publishing. Take any of them: open the embed code under a chart and paste it into your page. It carries the credit link with it, and because it points at our copy of the file, a correction reaches your page too. Full terms.

Gear range: what the new drives are matching
Neither new drive claims more gear than a 12-speed cassette. They claim the same gear with nothing hanging off the frame. Source: manufacturer figures.The Motor Ate the Gearbox: How eCVT E-Bike Drives Work · 2026-08-15

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How a power-split eCVT makes gears without cogs
The Prius transmission, shrunk, with your legs where the petrol engine goes.The Motor Ate the Gearbox: How eCVT E-Bike Drives Work · 2026-08-15

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What drivetrain efficiency is worth, on a 750 Wh e-bike
The whole measured spread between the best chain and the worst hub gear is about eight kilometres. Source: BrightVolt calculation on a 750 Wh pack at 10 Wh/km.The Motor Ate the Gearbox: How eCVT E-Bike Drives Work · 2026-08-15

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The trade the new drives are asking you to make
Everything in the right-hand column except efficiency and price is a straight win. Those two are the whole argument.The Motor Ate the Gearbox: How eCVT E-Bike Drives Work · 2026-08-15

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An e-bike pack against the cars
Only a low-volume semi-solid pack and a record-breaking concept car beat the bicycle. Source: Battery Design teardown figures; Gobao claimed specification.Why an E-Bike Battery Beats a Car Battery on Energy Density · 2026-08-15

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Everything in a car pack that is not a cell
The bicycle is denser because it is allowed to be simpler, not because it is more advanced.Why an E-Bike Battery Beats a Car Battery on Energy Density · 2026-08-15

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Gobao's three packs — and the jump that does not add up
The jump to the top pack implies 150 extra watt-hours for 100 extra grams — a marginal density past what lithium-ion allows. Source: Gobao, via Velomotion.Why an E-Bike Battery Beats a Car Battery on Energy Density · 2026-08-15

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The two units, side by side
The same package at two power levels. Source: Gobao.Gobao’s Derailleur-Free Drive Published Its Numbers. One of Them Doesn’t Add Up · 2026-08-15

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The two power numbers on the same drive unit
Not a loophole. The EU limit is a continuous rating, and a motor that holds 250 W all day can give six times that for the seconds a steep pitch lasts. Source: Gobao.Gobao’s Derailleur-Free Drive Published Its Numbers. One of Them Doesn’t Add Up · 2026-08-15

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Gobao's claimed charge time to 80%
Roughly 1.7C. Most electric cars cannot hold the equivalent rate. Source: Gobao, via Velomotion.Gobao’s Derailleur-Free Drive Published Its Numbers. One of Them Doesn’t Add Up · 2026-08-15

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Two derailleur-free drives, two levels of disclosure
Both drives delete the derailleur. Only one of them tells you what it weighs. Source: figures released at Eurobike 2026.Avinox Showed a Gearbox Motor and Almost No Numbers · 2026-08-15

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What still has to happen before the MG is a product
Three of the four have not happened. The last one is where Pinion stalled.Avinox Showed a Gearbox Motor and Almost No Numbers · 2026-08-15

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How often gas plants actually run
Baseload gas runs thousands of hours a year; the peakers being retired run dozens. Hours derived from 2022 capacity factors. Source: EIA (fleet); CESA / Strategen (Maine plants).Peaker Plants: Why the Grid’s Priciest Power Runs Least · 2026-08-15

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Levelized cost of new US power, 2026
Gas peaking is the most expensive new power on the system. Bars show range midpoints. Source: Lazard LCOE+ 2026.Peaker Plants: Why the Grid’s Priciest Power Runs Least · 2026-08-15

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Gas peaker versus four-hour battery
The duty is identical. Everything else favours the battery.Peaker Plants: Why the Grid’s Priciest Power Runs Least · 2026-08-15

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Why utilities flipped from fighting rooftop solar to paying for home batteries
The objection was never customer-sited power. It was undispatchable power.The BrightVolt Take: Utilities Want Your Home Battery Now · 2026-08-14

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How a virtual power plant dispatch turns thousands of home batteries into one peak resource
One dispatch, thousands of basements. Source: Green Mountain Power, July 2026.The BrightVolt Take: Utilities Want Your Home Battery Now · 2026-08-14

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US virtual power plant capacity today against the DOE's 2030 target
Power-plant numbers, built from hardware bought for other reasons. Source: Wood Mackenzie (2025); US DOE Liftoff target (2023).The BrightVolt Take: Utilities Want Your Home Battery Now · 2026-08-14

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Sealion 08 pre-order pricing in China
Pre-order pricing, 13 August 2026. Source: CarNewsChina; CnEVPost.BYD Sealion 08: 900 km and a Nine-Minute Charge, Translated · 2026-08-14

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Reading BYD's nine-minute charge claim in C-rate terms
The claim is a window, not a curve. Expressed as a rate, it is remarkable. Source: BrightVolt calculation.BYD Sealion 08: 900 km and a Nine-Minute Charge, Translated · 2026-08-14

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What a megawatt is worth to the grid, by resource
The spread is enormous, and it depends on which hour the grid is worried about. Source: PJM class ratings; MISO.Capacity Accreditation Explained: Why a 100 MW Wind Farm Counts as 34 MW · 2026-08-14

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How accreditation turns a wind farm into a smaller wind farm, on paper
The turbines do not change. The revenue does.Capacity Accreditation Explained: Why a 100 MW Wind Farm Counts as 34 MW · 2026-08-14

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PJM accreditation is moving, and not in the same direction
Nothing about wind got worse. There is simply more of it on the system. Source: PJM ELCC class ratings.Capacity Accreditation Explained: Why a 100 MW Wind Farm Counts as 34 MW · 2026-08-14

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The tariff stack on a Chinese-built EV, in percentage points
Whether the headline rate is 102.5% or 127.5% depends entirely on the third bar. Source: US HTS; Section 301.Waymo Is Importing Chinese Robotaxis at Double Price. Here’s Why. · 2026-08-14

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Cost per robotaxi chassis, before autonomy hardware
Even at the higher tariff reading, the Zeekr lands at under half the cost of the Jaguar it replaces. Source: CarNewsChina; Forbes.Waymo Is Importing Chinese Robotaxis at Double Price. Here’s Why. · 2026-08-14

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Two ways to get a purpose-built robotaxi
The Arizona plant is not a cost decision. It is the exit from a regulatory deadline.Waymo Is Importing Chinese Robotaxis at Double Price. Here’s Why. · 2026-08-14

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July 2026 NEV year-on-year change, by measure
The same month, three ways. Source: CAAM and CPCA, via CnEVPost.The BrightVolt Take: China’s EV Growth Is All Exports Now · 2026-08-13

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Two official scoreboards for July 2026, CAAM wholesale versus CPCA retail
Two official scoreboards, one market.The BrightVolt Take: China’s EV Growth Is All Exports Now · 2026-08-13

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China NEV volumes, domestic versus export, January to July
Domestic sales down ~12%, exports up 120%. Source: CAAM, via CnEVPost; 2025 back-calculated from reported year-on-year changes.The BrightVolt Take: China’s EV Growth Is All Exports Now · 2026-08-13

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Comparison diagram weighing a 2027 trial production line against a mass-market solid-state car across volume, technology readiness, price segment, timing and what each proves
The 2027 milestone and the product are not the same event. Source: CATL and BYD statements, 2026.The BrightVolt Take: Solid-State’s 2027 Is Not a Car · 2026-08-12

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Bar chart of cell energy density in watt-hours per kilogram: LFP around 180, high-nickel NMC around 350, and a solid-state target near 500
The payoff is real: roughly 40% more energy per kilogram. The price is the problem. Source: CATL; industry cell figures.The BrightVolt Take: Solid-State’s 2027 Is Not a Car · 2026-08-12

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Horizontal bar chart showing sulphide solid-state cells cost three to five times a conventional lithium-ion cell
Why the first cells go into flagships, not hatchbacks. Source: CATL, via electrive.The BrightVolt Take: Solid-State’s 2027 Is Not a Car · 2026-08-12

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Flow diagram of a Gogoro battery swap: ride up to the station, dock the two empty 9 kg packs, the station charges and health-checks them, lift out full packs by hand, ride away in under six seconds
A scooter swap needs no cable, no robot and no wait. Source: Gogoro.Why Battery Swapping Works for Scooters, Not Cars · 2026-08-12

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Bar chart comparing energy in one swappable pack: a scooter pack at 1.7 kWh against a car pack at 75 kWh
The single number that decides the economics. Source: Gogoro; typical EV pack.Why Battery Swapping Works for Scooters, Not Cars · 2026-08-12

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Two US sodium-ion factories, one that failed and one being built, compared by investment, capacity, market and status
Natron tried to out-build sodium’s density problem. Peak designed around it. Source: IEEE Spectrum; Canary Media.US Sodium-Ion Bets on the Grid, Not the Car · 2026-08-12

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Bar chart of cell energy density showing sodium-ion today around 140 Wh/kg and its prototype ceiling near 200, against LFP at 180 and NMC at 265
Sodium’s optimistic ceiling lands where LFP already sits. Source: pv magazine; CATL; battery.mba.US Sodium-Ion Bets on the Grid, Not the Car · 2026-08-12

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How lithium ions are meant to enter the anode, versus what plating does instead
Intercalation stores charge; plating deposits metal. The difference is about a tenth of a volt.Lithium Plating: Why Fast Charging Degrades Batteries · 2026-08-10

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The plating cascade, from a cold fast charge to lost capacity and short-circuit risk
Most fast charges never reach the end of this chain. Design aims to break it at the first link.Lithium Plating: Why Fast Charging Degrades Batteries · 2026-08-10

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The three RWE offshore leases cancelled in the buyback, by planned capacity in gigawatts
The 5.8 GW RWE walked away from. Source: RWE lease filings via Maritime Executive.The US Is Paying $4 Billion to Cancel Offshore Wind · 2026-08-10

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RWE's $1.22bn buyback, redirected almost dollar for dollar into gas
The buyback cheque and the gas cheque are the same size. Source: Fortune; Maritime Executive.The US Is Paying $4 Billion to Cancel Offshore Wind · 2026-08-10

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The buyback pipeline, from federal lease to cancelled capacity
How the buyback empties the offshore pipeline. Source: US Department of the Interior.The US Is Paying $4 Billion to Cancel Offshore Wind · 2026-08-10

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US utility-scale capacity added in 2026, by source, in gigawatts: solar 43.4, battery storage 24, wind 11.8, natural gas 6.3, nuclear zero
What actually comes online in 2026. Gas is 7% of it. Source: EIA Short-Term Energy Outlook, 2026.The BrightVolt Take: Gas Didn’t Win the AI Power Race · 2026-08-07

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GE Vernova gas turbine backlog by quarter in gigawatts, rising from 100 in the first quarter of 2026 to 116 in the second and an estimated 125 by year end
The backlog grows while delivery dates slide to 2031. Source: GE Vernova Q2 2026 results, via Utility Dive.The BrightVolt Take: Gas Didn’t Win the AI Power Race · 2026-08-07

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Bar chart of theoretical full-charge time at each C-rate: 1C is 60 minutes, 2C is 30, 4C is 15, 5C is 12, 10C is 6
Rate and charging time are the same fact stated two ways: time equals one divided by C.What C-Rate Tells You About How Fast an EV Charges · 2026-08-07

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Flow diagram of a charging session: plug in, a brief peak at the rated C-rate, a taper as the pack fills, and an average well below the peak
The headline C-rate is the height of the spike, not the area under the curve.What C-Rate Tells You About How Fast an EV Charges · 2026-08-07

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European solar capture factors by market, April 2026
How much of the average wholesale price solar earned, April 2026. Source: Pexapark via pv magazine, 13 May 2026.Solar Capture Rate Explained: Why More Solar Earns Less · 2026-08-04

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How solar erodes its own price
The merit-order effect: solar depresses the price in exactly the hours it sells into.Solar Capture Rate Explained: Why More Solar Earns Less · 2026-08-04

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Heat pumps sold per 1,000 households in 2024, by country
Heat pumps sold per 1,000 households in 2024, by countryThe BrightVolt Take: Heat Pumps Sell on the Price Ratio · 2026-08-03

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European heat pump sales, year-on-year change
European heat pump sales, year-on-year changeThe BrightVolt Take: Heat Pumps Sell on the Price Ratio · 2026-08-03

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Combined system power against two rivals
Combined system output as claimed by each manufacturer. Sources: CnEVPost; CarNewsChina; Denza.1,113 Horsepower, 185 km of Range, and One of Those Numbers Is CLTC · 2026-08-02

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CLTC as published against an EPA-equivalent estimate
CLTC as published, against an EPA-equivalent estimate using the 26% haircut from our range-cycle explainer. The right-hand bars are our arithmetic, not Geely’s.1,113 Horsepower, 185 km of Range, and One of Those Numbers Is CLTC · 2026-08-02

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What a 500 kW charger actually delivered
One measured session, January 2026. Source: EV Charging Stations DC fast charging analysis.Why a 350 kW Charger Never Gives You 350 kW · 2026-08-02

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Current required to deliver 350 kW, by pack voltage
Amps needed for 350 kW. A CCS plug handles about 500 A continuously.Why a 350 kW Charger Never Gives You 350 kW · 2026-08-02

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The stages of a fast-charging session
What happens across a session. Sources: evkx.net; World Electric Vehicle Journal, August 2024.Why a 350 kW Charger Never Gives You 350 kW · 2026-08-02

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MCS: the standard against the hardware
The standard against the hardware. Sources: CharIN; Milence; electrive, 30 July 2026.Why a 350 kW Charger Never Gives You 350 kW · 2026-08-02

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Solar capture factors, April 2025 against April 2026
Solar capture factors, April year on year. Source: Pexapark via pv magazine, 13 May 2026.The BrightVolt Take: Europe’s Solar Problem Is Value · 2026-08-02

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Volume up, value down
Volume up, value down. Sources: Ember; SolarPower Europe; Kpler; LevelTen Energy.The BrightVolt Take: Europe’s Solar Problem Is Value · 2026-08-02

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Battery-electric heavy truck registrations, 2025
Heavy truck electrification, 2025. Denominators differ by market. Sources: CVWorld via CnEVPost; ACEA; CALSTART.Europe Sold 4,991 Electric Trucks. China Sold 231,100. · 2026-08-02

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Total cost of ownership gap, electric against diesel long-haul
TCO gap against diesel long-haul, 2026. Source: ICCT, April 2026.Europe Sold 4,991 Electric Trucks. China Sold 231,100. · 2026-08-02

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China's H1 2026 power mix
China’s H1 2026 generation mix. Source: National Energy Administration, 30 July 2026.China’s Coal Share Fell Below Half. Coal Still Grew. · 2026-08-02

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China's new solar capacity, first half
New solar capacity, first half. Source: National Energy Administration, released 22 July 2026.China’s Coal Share Fell Below Half. Coal Still Grew. · 2026-08-02

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Crop yield under panels against open field
Yield under panels against open field. Source: Energies 19(2) 539, 2026 systematic review.Agrivoltaics: What 320 Experiments Actually Found · 2026-08-02

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Capital cost and electricity yield by mounting type
Capex and electricity yield by mounting type. Source: Energieagentur Rheinland-Pfalz, January 2026.Agrivoltaics: What 320 Experiments Actually Found · 2026-08-02

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Pumped storage under construction, by region
Pumped storage under construction, end 2025. Source: IHA World Hydropower Outlook 2026.The West Licenses Pumped Storage. China Builds It. · 2026-08-02

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Capital cost per kWh of storage capacity
Capital cost per kWh of storage. Fengning and Goldendale derived from published capex; not inflation-harmonised. Sources: State Grid; Rye Development; Lazard LCOE+ June 2025.The West Licenses Pumped Storage. China Builds It. · 2026-08-02

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Denza Z Coupe pricing, China against the United Kingdom
Denza Z Coupe pricing, China against the United KingdomBYD’s Denza Z Costs 88% More in Britain Than China · 2026-08-01

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Leapmotor B-series range by trim
Leapmotor B-series range by trimLeapmotor Just Broke the 800V Price Floor · 2026-08-01

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Battery attachment rate on new residential solar
Battery attachment rate on new residential solarNet Metering Is Ending. Homeowners Are Buying Batteries. · 2026-08-01

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US residential solar installations by year
US residential solar installations by yearNet Metering Is Ending. Homeowners Are Buying Batteries. · 2026-08-01

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The two estimates of California's 2024 rooftop solar cost shift
The two estimates of California's 2024 rooftop solar cost shiftNet Metering Is Ending. Homeowners Are Buying Batteries. · 2026-08-01

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Gravimetric energy density by cell chemistry
Gravimetric energy density by cell chemistrySodium-Ion Batteries: Why They Won’t Replace Lithium · 2026-08-01

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Sodium-ion against LFP on the attributes that decide deployment
Sodium-ion against LFP on the attributes that decide deploymentSodium-Ion Batteries: Why They Won’t Replace Lithium · 2026-08-01

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Announced sodium-ion capacity against what is actually operating
Announced sodium-ion capacity against what is actually operatingSodium-Ion Batteries: Why They Won’t Replace Lithium · 2026-08-01

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Battery-grade lithium carbonate price, China spot
Battery-grade lithium carbonate, China spot. Sources: Benchmark Mineral Intelligence; Gasgoo; Trading Economics.Sodium-Ion Batteries: Why They Won’t Replace Lithium · 2026-08-01

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PJM capacity accreditation across three auctions
Onshore wind down seven points, four-hour storage up nine. Source: PJM BRA ELCC class ratings, 2026/27 to 2028/29.The BrightVolt Take: Storage Just Overtook Wind on Winter · 2026-08-01

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PJM's indicative forward accreditation to the mid-2030s
PJM’s preliminary class ratings, which the operator labels non-binding and indicative only. Source: PJM.The BrightVolt Take: Storage Just Overtook Wind on Winter · 2026-08-01

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Onshore turbine prices, West against China
Onshore turbine prices, West against ChinaThe BrightVolt Take: Storage Just Overtook Wind on Winter · 2026-08-01

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Electric range against battery size in large EREVs
Electric range on the CLTC cycle against usable battery. Sources: CarNewsChina and CnEVPost, 30 July 2026; CnEVPost, 16 July 2026.Xiaomi’s SkyNomad Isn’t Electric, and Isn’t a Brand · 2026-08-01

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US utility-scale capacity additions planned for 2026 by technology
Electric range on the CLTC cycle against usable battery. Sources: CarNewsChina and CnEVPost, 30 July 2026; CnEVPost, 16 July 2026.Solar and Storage Are 79% of New US Grid Capacity in 2026 · 2026-07-31

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BYD Racco range by battery option
Solar capture factors, April year on year. Source: Pexapark via pv magazine, 13 May 2026.Japan’s First 300km Electric Kei Car Is Chinese · 2026-07-31

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How the same vehicle's rated range changes by test cycle
China’s H1 2026 generation mix. Source: National Energy Administration, 30 July 2026.EV Range Explained: Why CLTC, WLTP and EPA Disagree · 2026-07-30

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Active capacity in the US interconnection queue by technology, end of 2025
Active capacity in the US interconnection queue by technology, end of 2025The BrightVolt Take: Solar Isn’t the Bottleneck. The Queue Is. · 2026-07-30

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Median months from interconnection request to commercial operation, 2008 to 2025
Median months from interconnection request to commercial operation, 2008 to 2025The BrightVolt Take: Solar Isn’t the Bottleneck. The Queue Is. · 2026-07-30

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Year-over-year change in US battery-electric vehicle sales, Q4 2025 through Q2 2026
Year-over-year change in US battery-electric vehicle sales, Q4 2025 through Q2 2026US EV Sales Q2 2026: Decline Slows as Hybrids Take Over · 2026-07-30

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Year-over-year change in US retail sales by powertrain, Q2 2026
Year-over-year change in US retail sales by powertrain, Q2 2026US EV Sales Q2 2026: Decline Slows as Hybrids Take Over · 2026-07-30

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