SCHENECTADY — GE Energy announced new contracts today totaling more than $500 million for gas turbines and generators for power plants owned by Saudi Electricity Co.

The deals entail supplying turbine equipment to two Saudi Arabian engineering, procurement and construction contractors: Al-Khobar-based National Contracting Co. Ltd. and the Al-Toukhi Co. for Industry and Trading of Riyadh. Both firms have been hired by Saudi Electricity Co. to build new power plants and expand existing ones.

GE will supply National Contracting Company with gas turbines for a 960-megawatt expansion of the Rabigh Power Plant in Rabigh City. GE will also provide gas turbines to National Contracting Company Ltd for a 111-megawatt facility in Aljouf City and a 183-megawatt power project in Tabouk City, both located in northern Saudi Arabia.

Contracts with the Al-Toukhi Company for Industry and Trading of Riyadh include gas turbines to build a 260-megawatt power plant in Jizan City in southern Saudi Arabia and a 120-megawatt power plant in Qunfutha City, located in the western part of the country.