Nairobi, July 23 -- The Geothermal Development Company (GDC) is on the spot after an audit flagged Sh15.93 billion drilling rigs that are either idle or non-functional, adding to a list of underutilised assets at the government-owned firm.

In the latest report for the year ended June 2025, the Auditor-General has questioned the value for money of the seven drilling rigs acquired several years ago, noting that three have remained out of operation for the past five years with no clear repair plan, while GDC also lacks staff capacity to operate all the rigs.

"Review of documents provided by management in respect to the operating condition of the rigs revealed that three rigs were not in good working condition," the report states.

The rigs...