Technology

Sha Tin Green Projects Transform Sewage, Water, Retail and Recycling

Facilities and partnerships in Sha Tin apply green technology across sewage relocation, water treatment, retail operations and community recycling.

By Sha Tin Tech Desk · Published 18 July 2026

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Sha Tin is advancing green technology through projects that integrate renewable energy systems, smart controls and environmental monitoring at specific local sites.

Rock Cavern Sewage Relocation and Green AI Monitoring

The relocation of the Sha Tin Sewage Treatment Works involves Asia's largest civilian rock cavern project beneath Nui Po Shan. This initiative uses Green AI technology developed with HKUST to identify and minimise construction impacts on nearby egret colonies. The approach supports scientific and environmental optimisation of sewage treatment in the district.

Sha Tin Water Treatment Works Energy Systems

Sha Tin Water Treatment Works incorporates 50kW photovoltaic panels, a hydro turbine that generates electricity from falling reservoir water, and a rainwater harvesting system for irrigation. These installations form part of the site's operational design for energy and water management.

HomeSquare Solar and IoT Controls

HomeSquare operates the New Territories' largest solar panel area with nearly 600 panels. The facility applies IoT smart technology to provide zoned control of air conditioning and lighting, supporting energy efficiency measures.

Community Green Station at On Ping Street

Sha Tin's Community Green Station at 10 On Ping Street collects low-value recyclables including small electrical appliances and glass bottles. The station also runs environmental education workshops for the public.

These projects demonstrate coordinated activity among government-linked infrastructure operators, research institutions and commercial sites in Sha Tin. The use of AI for ecological monitoring alongside physical renewable installations shows how local organisations apply technology to reduce environmental effects during construction and daily operations. Residents and businesses can visit the Community Green Station at 10 On Ping Street for recycling services and workshops, while the water treatment and retail sites illustrate practical deployment of solar, hydro and smart systems already in place.