• Solar air heating system installed in Ladakh

  • Solar air heating system installed in Ladakh

Solar space heating in Ladakh - SolLad

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Ladakh is exposed to sub-zero temperatures for more than seven months per year. Conventional heating is not only very expensive but also traditional heating (e.g. Bukharis, LPG, electrical heater, etc.) has an adverse impact on health and environment. To address similar challenge of high altitude, cold desert climatic condition a system was designed in Altiplano, Argentina for the last 15 years. With the “Altiplano Solar Air heating system” an environmental friendly, economical and proven technology option for high altitude regions exists and is now being replicated in Ladakh.

The experience form the “Altiplano” solar air heating concept will be adopted for high altitude region Ladakh (above 3,000m). The project is implemented jointly with international experts from Solar-Institut Jülich - University of Applied Sciences Aachen, Steinbeis Transfer Center for Solar and Thermal Technology (SWT), University Stuttgart, associated experts and local stakeholders in Ladakh, such as Ladakh Ecological Development Group (LEDEG) and state nodal local agencies in Leh and Kargil, LREDA and KREDA.

A big advantage of the system is, that it can be built and installed with locally available materials and resources. During the project period local people will be trained on the various aspects of the system, incl. manufacturing of components, dimensioning and installation. Furthermore an optimised insulation of the buildings equipped with the solar heating systems is part of the project. Different insulation materials and methods within or outside Ladakh are being explored and used at the demonstration sites.  Within the monitoring phase, the data is analysed to further optimise the system design and techno-economics.

The project will help in promoting the active solar space heating technology with thermal energy storage and insulation/heat protection. Capacity building measures/trainings will be conducted for various stakeholders and local handy-craftsmen. The use of solar energy will contribute reducing greenhouse gas (GHG) emissions and shall act as a light-house project for future replications. Use of renewable energy sources will further minimising negative health and environment impacts as otherwise caused by traditional heating systems viz. bukharis (wood stove), LPG, etc.

After successful demonstration of the feasibility and advantages of the system a large scale up-scaling of the solar space heating concept e.g. through development of suitable support schemes and policies shall be supported.

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Summary

  • Implementation of solar air heating systems for Ladakh, Himalayan region
  • Simple, economical and locally manufactureable technology
  • Low maintenance, frost proof operation, air as heat transfer medium
  • Transfer of a well-known proven solution from Altiplano project (Andes, Argentina)

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