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energy

Our coverage spans conventional power generation, renewables, nuclear, grids, storage, and emerging energy technologies.

4/10/2026
World’s first commercial-ready deep borehole nuclear waste disposal inches closer to reality

World’s first commercial-ready deep borehole nuclear waste disposal inches closer to reality

The SCALEUP program bridges the gap between pilot-scale demonstration and full commercial deployment.

Scientists develop water-based zinc-ion battery that delivers 900-cycle lifespan

Scientists develop water-based zinc-ion battery that delivers 900-cycle lifespan

The battery addresses current challenges by using low-cost materials and a water-based, simplified assembly process.

Mrigakshi Dixit

2 hours ago

Largest US uranium discovery in decade begins production with 6-million-pound resource

Largest US uranium discovery in decade begins production with 6-million-pound resource

Only half of the property at Burke Hollow has been explored so far, with another 4 million of inferred resources.

Ameya Paleja

5 hours ago

UK approves biggest solar farm with size of 1,700 football fields to power 180,000 homes

UK approves biggest solar farm with size of 1,700 football fields to power 180,000 homes

The move aims to boost domestic renewable energy and cut reliance on volatile fossil fuels amid Middle East instability.

Jijo Malayil

7 hours ago

4/9/2026
Finland’s deep nuclear waste vault in 1.9 billion-year-old bedrock nears launch

Finland’s deep nuclear waste vault in 1.9 billion-year-old bedrock nears launch

Finland prepares to launch the world’s first deep underground nuclear waste storage facility.

Neetika Walter

17 hours ago

US’ nuclear fusion startup to build radioactive batteries for use in space

US’ nuclear fusion startup to build radioactive batteries for use in space

DARPA’s Rads to Watts Program aims to build nuclear batteries that deliver more than 10 watts per kilogram of energy.

Ameya Paleja

a day ago

100-foot tall US nuclear DOME launched for advanced 20 MW microreactor testing

100-foot tall US nuclear DOME launched for advanced 20 MW microreactor testing

This facility streamlines the path from nuclear concept to functional unit, saving both time and money.

Aman Tripathi

a day ago

US scientists turn plastic waste into fuel with 60% gasoline yield at 392°F

US scientists turn plastic waste into fuel with 60% gasoline yield at 392°F

The team used aluminum chloride-containing molten salts to break down the long hydrocarbon chains of the polymer.

Korean scientists develop eco-friendly thermoelectric material to turn heat into electricity

Korean scientists develop eco-friendly thermoelectric material to turn heat into electricity

This technology is expected to be applicable to small-scale power generation systems.

4/8/2026
‘Snap like glass’: First real-time view shows weakness in brittle lithium dendrites

‘Snap like glass’: First real-time view shows weakness in brittle lithium dendrites

Scientists capture lithium dendrites snapping in real time, revealing risks for solid-state battery design.

Neetika Walter

2 days ago

Hydrogen cooking stove runs for hours using only 100 ml water and 1 kWh power

Hydrogen cooking stove runs for hours using only 100 ml water and 1 kWh power

The system produces only water vapor as exhaust during cooking.

US firm’s micro nuclear reactor could make vessels cruise for decades without refueling

US firm’s micro nuclear reactor could make vessels cruise for decades without refueling

The initiative follows AMPERA’s plans to seek a license under newly finalized NRC regulations.

Aman Tripathi

2 days ago

4/7/2026
US unlocks cheaper jet fuel with new catalyst that converts ethanol in one step

US unlocks cheaper jet fuel with new catalyst that converts ethanol in one step

The process could help meet rising global jet fuel demand by 2050.

China’s new sodium battery forms internal firewall to stop fires, survives 572°F test

China’s new sodium battery forms internal firewall to stop fires, survives 572°F test

The battery operates reliably across temperatures from -40 to 140 degrees Fahrenheit.

US nuclear startup Antares gets DOE approval for its Mark-0 reactor demonstrator

US nuclear startup Antares gets DOE approval for its Mark-0 reactor demonstrator

The startup now enters the final phase of its review process where the DOE needs to grant it approval for starting up its microreactor.

Ameya Paleja

3 days ago

4/6/2026
India’s first 500 MWe fast breeder nuclear reactor achieves key criticality milestone

India’s first 500 MWe fast breeder nuclear reactor achieves key criticality milestone

Years in the making, the PFBR now enters a crucial testing phase before full power generation begins.

Aamir Khollam

4 days ago

4/5/2026
China targets retired EV batteries, mandates digital traceability for recovery

China targets retired EV batteries, mandates digital traceability for recovery

China is tightening control over EV supply chains by introducing new rules to standardise lithium-ion battery recycling.

4/4/2026
4/3/2026
US scientists watch sunlight turn water into fuel in real time at nanoscale level

US scientists watch sunlight turn water into fuel in real time at nanoscale level

The study introduces a new way to watch photocatalysts work in real time.

US plasma breakthrough resolves decades-old heat load mystery in nuclear fusion reactors

US plasma breakthrough resolves decades-old heat load mystery in nuclear fusion reactors

Accounting for core rotation’s influence on edge flows allows scientists to more accurately predict exhaust behavior.

Aman Tripathi

7 days ago

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About Energy

Energy sits underneath almost everything, industry, transport, computing, and cities, but is often discussed only when something breaks or gets expensive. This category examines how energy is produced, stored, moved, and used in the real world, and how those systems are changing under technical, economic, and political pressures.
Coverage at Interesting Engineering spans conventional power generation, renewables, nuclear, grids, storage, and emerging energy technologies. That includes solar and wind systems, batteries, hydrogen, carbon capture, advanced reactors, transmission infrastructure, and the software increasingly used to monitor and manage them. The focus isn't on abstract targets or idealized transitions, but on the engineering decisions that determine whether new systems are reliable, scalable, and affordable.
Energy systems are defined by constraints. Power density, intermittency, materials availability, land use, safety, and cost all shape what can be deployed and where. This category examines those trade-offs, along with the reasons many promising technologies struggle to move beyond pilots or subsidies. Grid integration, permitting delays, supply chains, and long build times, matters as much as technical performance.
We also look at how energy demand is shifting, driven by electrification, data centers, AI workloads, industrial decarbonization, and transportation. These pressures are forcing upgrades to aging infrastructure and raising questions about resilience, redundancy, and long-term planning. Reliability is as central as sustainability, especially as energy systems become more complex and more interconnected.
Energy also examines who builds these systems, who pays for them, and what determines whether new energy projects survive beyond early pilots.
Rather than framing energy as a single transition, this category treats it as a series of overlapping, uneven changes. It tracks what's being deployed now, what’s quietly failing, and what still requires significant engineering work before it can operate at scale. The emphasis is on systems that endure; not just technologies that look good on paper, but those that can deliver power consistently, safely, and economically over decades.