TUNIS: On a poultry farm just outside Tunisia’s capital, a backhoe gathers hundreds of chicken carcasses to bury them in a pit. The situation is not unique to this farm in El-Fahs, about 60 kilometers (37 miles) from Tunis, as recent power cuts have sown devastation across the country. With summer temperatures soaring and the need for air conditioning rising in parallel, the national electricity company STEG has resorted to load shedding — rolling blackouts to reduce the strain on the power grid when demand exceeds production capacity. The bill for the dead poultry in El-Fahs is “huge...