Zimbabwe has experienced acute power cuts in the past, the latest in 2019 that lasted up to 18 hours a day.

Sibanye Stillwater, Impala Platinum, and Anglo American Platinum said they plan to scale up solar and wind farms.

Interim earnings are expected to jump by more than 500%.

A strong price environment had seen miners look at the economics of reopening mothballed operations, one consultancy says.

The country was under a strict lockdown to curb the spread of the coronavirus in April last year, denting output.

Surging demand and prices for commodities including platinum-group metals, iron ore, manganese and coal are generating record mining-company profits and bolstering government revenue.

Nornickel said on Wednesday it is buying 3.4% of its shares for $2 billion to compensate for a smaller recent dividend.