Algeria has little if any capacity to ramp up supplies, never mind replace Russian gas in any meaningful way. But the longer-term picture for Algeria could be brighter.

Russia’s invasion of Ukraine has increased fears in Europe that vital Russian gas supplies could be disrupted. As such, the continent is scrambling to line up alternative volumes.

The IEA this week unveiled a suite of measures it says could cut Europe’s imports of Russian gas by a third. Sourcing alternative...