BP16 - Solar water heater

Address: Tan Thuan Export Processing Zone, Ho Chi Minh City
Name of the Manager: Hsu I Yang
Project Summary: A garment enterprise in Ho Chi Minh city has installed a solar water heating system for supplying hot water to electric steam boilers. The program objective is to reduce energy costs and greenhouse gas (GHG) emission.
Year of implementation: 2018

Status before implementation

Fresh water at 25 °C is supplied to the electric steam boilers. The water amount used in one operation day (8 hours) is about 2.2 m3.

Electric steam boiler

Result

The plant has installed a solar water heating system for supplying hot water to the electric steam boilers. Temperature of the preheated water supplied to the electric steam boilers is about 60°C.

Solar hot water system 

Status before implementation

Fresh water at 25 °C is supplied to the electric steam boilers. The water amount used in one operation day (8 hours) is about 2.2 m3.

Electric steam boiler

Result

The plant has installed a solar water heating system for supplying hot water to the electric steam boilers. Temperature of the preheated water supplied to the electric steam boilers is about 60°C.

Solar hot water system 

Result of the project:
Total investment costs: VND 44 Million
Power saving: 26,484 kWh/year
Cost savings: VND 50 Million
Payback time: 0.9 year