GSP-Project Ltd to supply Sulzer high-speed turbocompressors for the Izhevsk WWTP under a contract with energy service company - IES-Garant. Energy service contracting can provide a cost-effective route to overcoming barriers to energy efficiency. Energy service contracts allow the client to reduce operating costs, transfer risks and concentrate attention on core activities.  The design capacity of Izhevsk WWTP is about 150 000 m3/d. GSP-Project Ltd to deliver four Sulzer turbocompressors type HST40 with a capacity of 300 kW each. Sulzer’s energy efficient HST turbocompressor is the best choice for aeration in wastewater treatment. It’s unique technology minimizes energy consumption, letting you dramatically cut your treatment plant energy bill. The simple-to-operate, wear-free design provides reliable assurance against breakdowns.