GGE offers energy efficiency and renewable energy solutions to reduce clients' energy costs and environmental impact. They perform an initial energy audit to assess savings opportunities, then develop and implement customized plans including infrastructure upgrades, energy management systems, and on-site power generation. GGE guarantees energy savings and handles project execution and maintenance to eliminate risks for clients, who benefit from lower energy bills without investment costs. Case studies demonstrate annual savings over 1 million euros for one client through measures like CHP, lighting, and energy monitoring systems.