Around the world, energy security is becoming a policy priority. In large part, this new focus stems from a fear of energy weaponization. In a world marked by increasingly volatile geopolitical tensions, interconnected energy systems can be used as pawns in conflicts. In Europe’s very recent experience with Russia, they already have.

However, there’s also a drive for broader resilience — the ability to keep the lights on and key industries powered as economies search for growth and as the climate changes. You only need to look to April’s blackout across the Iberian Peninsula to see the impact a major power outage can have.

When it comes to bolstering energy security, attention often focuses to the biggest assets — for example, how to build new major power stations or protect major interconnectors. These facilities, at scale, do have a part to play. However, for the best results, a significant opportunity will come from thinking smaller — to assets that are