Energy
Why Solar Plus Storage Hit 16% of US Solar Installations
EIA data show co-located solar and storage rose from 2% of solar installations in 2017 to 16%. Here is what drove the jump and what the number can't tell you.
Nov 8 · 7 min read
Featured · Energy · 7 min
Why Solar Plus Storage Hit 16% of US Solar Installations
EIA data show co-located solar and storage rose from 2% of solar installations in 2017 to 16%. Here is what drove the jump and what the number can't tell you.
Explore by interest
Latest articles
New long-form reads, updated weekly.
Reviews
Galaxy Watch Ultra vs Apple Watch Ultra 3: Which Battery Actually Lasts?
Engadget calls the Galaxy Watch Ultra 2 a battery standard-setter. Here is how the original Ultra's rated hours compare with the Apple Watch Ultra 3's.
Nov 7 · 7 min read
Life
5 Ways to Reduce Your Wi-Fi Network’s Electricity Use
Measure what your modem, router, and mesh nodes draw, then decide which settings and shutdowns are worth the trouble.
Nov 6 · 8 min read
Reviews
FiiO EH11 Review: A Charming On-Ear With One Big Trade-Off
The FiiO EH11 pairs a low price and retro styling with a simple question: are you willing to give up noise cancellation and a sealed fit?
Nov 5 · 7 min read
Energy
Can Battery Storage Fix PJM’s Power Crunch?
Batteries can help PJM meet peak demand, but their duration, location, and charging supply limit what they can solve.
Nov 4 · 7 min read
Money
What the 5.51% I Bond Rate Actually Pays
The new 5.51% I bond rate is an annualized starting rate, not a six-month promise. Here is what it means for returns, access and comparisons.
Nov 3 · 7 min read
Tech
Who Does the Hidden Human Work Behind AI?
AI systems depend on people who label data, review outputs, and moderate content, often through work that users never see.
Nov 2 · 8 min read
Energy
How Thermal Batteries Store Renewable Power as Industrial Heat
Rondo’s heat battery points to a different storage job: keeping factories supplied with high-temperature heat, not sending electricity back to the grid.
Nov 1 · 8 min read
The Greadly Letter
Thoughtful reads, sent when they are worth your time.
A calm digest of essays, tools, market notes, and future-facing ideas. No spam, no daily noise.