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energy

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

10/1/2026
Texas clears full-scale drilling test to bury spent nuclear fuel deep underground

Texas clears full-scale drilling test to bury spent nuclear fuel deep underground

A Texas drilling permit clears the way for a full-scale test of deep borehole technology designed for nuclear waste disposal.

Neetika Walter

13 hours ago

50-MWh battery line swaps drying ovens for electron beams, runs at one-fifth the cost

50-MWh battery line swaps drying ovens for electron beams, runs at one-fifth the cost

Ateios’ new Indiana line cures battery electrodes in seconds, cutting binder use while supporting higher material loadings.

Neetika Walter

14 hours ago

$13.5 million US nuclear tech deal targets depleted uranium for fluorine recovery

$13.5 million US nuclear tech deal targets depleted uranium for fluorine recovery

NANO Nuclear plans to acquire licensed US technology for depleted uranium processing in a $13.5 million transaction.

Neetika Walter

18 hours ago

Nuclear diamond batteries could power 150 million sensors, from deep mines to bridges

Nuclear diamond batteries could power 150 million sensors, from deep mines to bridges

The battery stores small amounts of energy before using it to transmit sensor data.

Megawatt-level nuclear battery chosen for second-ever reactor test at 100-foot-tall DOME

Megawatt-level nuclear battery chosen for second-ever reactor test at 100-foot-tall DOME

Deployable Energy is the second company ever selected to utilize the testbed.

Aman Tripathi

a day ago

US nuclear plant expands by 190 MW under Amazon deal, can power 1.3 million homes

US nuclear plant expands by 190 MW under Amazon deal, can power 1.3 million homes

The agreement will also help Amazon manage its energy costs for facilities throughout the region.

US conducts nuclear blast detection test to catch rivals’ ‘decoupled’ detonations

US conducts nuclear blast detection test to catch rivals’ ‘decoupled’ detonations

NNSA tests underground “decoupled” explosion to refine sensors and algorithms for detecting concealed nuclear tests.

Sujita Sinha

a day ago

9/30/2026
Trump unveils Korea-backed $200B US energy plan with 8 reactors, 6.5-GW Texas plant

Trump unveils Korea-backed $200B US energy plan with 8 reactors, 6.5-GW Texas plant

South Korea backs a $120B U.S. nuclear push, $22.3B Texas power project and Alaska LNG plans.

Neetika Walter

2 days ago

Bill Gates-backed nuclear fusion firm inks record 6,200-mile reactor tape deal for grids

Bill Gates-backed nuclear fusion firm inks record 6,200-mile reactor tape deal for grids

CFS is building SPARC, which is a prototype designed to prove net energy gain.

Aman Tripathi

2 days ago

119 gas turbines to bring 1.7 GW of rapidly deployable power to US data centers

119 gas turbines to bring 1.7 GW of rapidly deployable power to US data centers

The 119 gas turbines will power Dynamis mobile systems built for data centers, utilities and industrial facilities.

Neetika Walter

2 days ago

Homing beacon gets US support to direct solar power beams from orbit to Earth

Homing beacon gets US support to direct solar power beams from orbit to Earth

The technology could provide power to remote military bases without relying on fuel convoys.

First 300 MW advanced small modular nuclear reactor approved for construction in US

First 300 MW advanced small modular nuclear reactor approved for construction in US

The compact design uses less land and water, letting utilities scale capacity incrementally with demand.

Aman Tripathi

2 days ago

Landfill gas and captured CO2 turned into 2.5 barrels of jet fuel by new US tech

Landfill gas and captured CO2 turned into 2.5 barrels of jet fuel by new US tech

The synthetic fuel can be blended with conventional jet fuel at concentrations up to 50 percent.

US scientists create soft porous material that guides lithium ions for better batteries

US scientists create soft porous material that guides lithium ions for better batteries

Metal-organic frameworks (MOFs), contain tiny, ordered channels that can either hold or move specific ions making them valuable for solid-state batteries.

Ameya Paleja

2 days ago

US scientists develop catalyst to turn woody biomass into jet fuel components

US scientists develop catalyst to turn woody biomass into jet fuel components

A selective catalyst could turn lignin into jet fuel components.

Atharva Gosavi

2 days ago

Chinese tokamak achieves hydrogen-boron fusion with 100 million reactions a second

Chinese tokamak achieves hydrogen-boron fusion with 100 million reactions a second

The experiment was carried out using ENN Group’s EXL-50U spherical tokamak.

9/29/2026
US-backed 10,000-ton plant makes iron, steel in one step, cuts emissions by up to 98%

US-backed 10,000-ton plant makes iron, steel in one step, cuts emissions by up to 98%

Hertha’s 10,000-ton plant will target a key US magnet supply gap with a process claiming 25% lower steel production costs.

Neetika Walter

3 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.