Analysis

October 23, 2023

Solar energy storage breakthrough could make European households self-sufficient

Norwegian startup Photoncycle says it can store solar energy from summer to winter cheaper than batteries


Mimi Billing

6 min read

One of the biggest issues with solar energy is that it is inconsistent over days and over seasons. Many startups have focused on trying to smooth energy supply over the day — saving up energy during the day for use during the night-time or outside peak hours.

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Picture of Bjørn Brandtzæg, founder of energy storage startup Photoncycle.
Bjørn Brandtzæg, founder of Photoncycle
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Mimi Billing

Mimi Billing is Sifted's Europe editor, based in Stockholm. She covers the Nordics and can be found on X and LinkedIn

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