Energy
Kilowatts and kilowatt-hours describe different things
Power describes a rate. Energy describes an amount. Keeping the two apart makes specifications and bills easier to read.
A clearer view of energy and industry
Independent explainers on energy, materials and practical technology. Context and useful questions, beyond the headline.
Latest explainers
Industry
Reading an energy claim: start with the boundary
An energy claim becomes useful when you know what was counted, what was left out and what the comparison actually covers.
Technology
Why repairability belongs in a product specification
Repairability is a practical purchasing question. Ask how a product can be maintained before a small failure makes the answer urgent.
Energy
A useful energy audit starts with an ordinary week
A week of ordinary observations can reveal better questions about energy use than a single unusually busy day.
Industry
Recycled content and recyclability are separate questions
A product can contain recycled material without being easy to recycle again. Ask about its past and its next destination separately.