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The judicious and effective use of energy to maximize profits, minimize costs and enhance competitive positions.

The objective of Energy Management is to achieve and maintain optimum energy procurement and utilization, throughout the organization, to minimize energy costs / waste without affecting production & quality and to minimize environmental effects.

Energy audit- need, Types of energy audit, Energy management (audit) approach-understanding energy costs, Bench marking, Energy performance, Matching energy use to requirement, Maximizing system efficiencies, Optimizing the input energy requirements, Fuel and energy substitution, Energy audit instruments.

Energy conservation is an objective to which all the citizens in the country has to contribute. Whether a household or a factory, a small shop or a Hospital, a farmer or office worker, every user and producer of energy can and must make this effort for his own benefit, as well as that of the nation.

At the same time, concerns over the negative environmental impacts of inefficient uses of energy are growing, both globally and regionally.

How to abate global warming, seen to be caused by the accumulation in the atmosphere of "greenhouse gases" arising from combustion of fossil fuels, is now the subject of international negotiations. Such concerns require greater national efforts and greater international cooperation to promote energy efficiency and energy conservation.

More efficient energy use can increase productivity and economic competitiveness as well as lower greenhouse gas emissions per unit of output.

We have done Energy audit at various Units of Rainbow hospitals like: Banjara Hills, Vikrampuri and Vijayawada.

The overall objective of the assignment is to quantify energy saving in existing system and achieve reduction in energy consumption pattern. Hence the detail objectives are:

• To carry out the energy consumption.
• To evaluate the performance of the equipment.
• To find out the energy saving opportunities.
• To quantify the total energy savings.
• To find out the ways to achieve energy efficiency.
• To minimize financial losses.
• To improve financial Benefit.

• Installations of VFD to OT AHUs.
• DG trails for 0.5 hr/day to be taken in peak hours with load.
• Replacement of tubes and CFLs with LED Lights.
• Voltage optimization for lighting load.
• Reduction in specific consumption for compressor by regular maintenance.
• Insulations to AC units and supply line to avoid AC wastages by that power conservation steps taken.
• Reducing virtual energy consumption kVAh by repairing/installing capacitors.
• Improving operation and maintenance of air conditioning units by regular filter cleaning.
• The outdoor units have been doing service once in 15 days to keep them clean & maintain the heat exchange surfaces effective.
• Compressors have been maintained such that the suction pressure is maintained at 70-75 psi.
• Evaporative pre-cooling of air around the outdoor units.
• Solar Power pack installation initiative has been taken at new Banjara unit in part of energy management.

The Energy Performance Index (EPI) of the hospital is the indicator of the energy performance of the hospital and represents the total specific use of energy consumed in hospital building. It is presented in kWh/ (Sq.m in year).

NATIONAL EPI-BENCHMARK FOR HOSPITALS (BEE STANDARDS)

Air conditioned- EPI: 84 - 865

For compositional climate zone EPI: 200 – 400 (Air conditioned)

• NATIONAL EPI-BENCHMARK FOR HOSPITALS (Bureau of Energy Efficiency Standards)
• Air conditioned- EPI: 84 - 865
• For compositional climate zone EPI: 200 – 400 (Air conditioned)
• Warm & Humid 275
• Composite 264
• Hot & Dry - 261
• Moderate - 247

• Solar Power Generation Capacity is being enhanced.
• AC temperatures fixed at 23 degrees for nonclinical Areas
• Usage of Energy efficient equipment at all levels
• Optimal utilization of solar energy for light and Water heating (installed solar Energy on the rooftop of 6 of our units)
• LED Lights are being installed in Existing projects and New Projects as well to reduce Electrical Power consumption, Efficient Chillers, DG sets, and Pumps have been installed for New Projects.
• Building Management System (BMS) in place for efficient HVAC operations.
• Variable Frequency Drives have been installed to conserve energy across Hospitals.
• As part of the design standard, for all new upcoming projects, existing, standardized hot water generation systems with solar panels and heat pumps are being followed.
• Rainbow Hospitals continues to explore avenues to employ a renewable source of energy like solar power.

Capital Investment we have done in two areas for FY 2021-22

a. Hydernagar – Solar heating system & LED lights fixtures – 2, 92,000/-

b. Delhi Malviyanagar – Motion sensor & LED light fixtures – 7, 00,110/-

c. Rose walk – LED lights – 1, 10,000/-

d. Marathahalli – Motion sensor – 40,000/-

e. BG Road – LED light Fixtures – 2,72,500/-

At Sholinganallur, Chennai for Motion sensors, VFDs and Heat Pumps we have spent – Rs 1706757/-

At Financial District of Hyderabad for Motion sensors and VFDs we have spent – Rs 1206375/-

At Marthahalli 5th floor, Bangalore for Motion sensors and VFDs we have spent around Rs 800000/-

1. Capital Expenditure - investments in specific technologies to improve the environmental and social impacts of product: Investment or Capital expenditure done technologies to improve Environment/ impact

We have done investment at two areas one is on new projects and other one is on running units.

• On projects we have spent Rs 17688934 on Solar roofing, Solar water heaters, Sewage treatment plant, LED lighting system and Energy efficient Heat pumps.
• On running units, we have spent for Energy efficient Heat pumps at Kondapur, LED lights at Marathahalli, Solar roof top at Rosewalkunit , fixing of Aerators at Vijayawada and Hebbal, all together we have spent Rs 2100000/-

Impact of Products: Operational cost reduction, resource optimization, improvement of Energy efficiencies,Energy sources sustainability, Carbon emission reductionsandimproving the life span of Assets etc.

As per previous year Energy consumption levels (Per day/bed) we supposed to be utilized 22230706 Units but we have utilized 18789729 Units, it means that indirectly we saved 3440977 Units in reporting period.

With this we have benefited in two ways – both economically and environmentally, Environmentally we have indirectly reduced Carbon emissions

• Installation of Motion sensors
• Switching off ACs at unutilized areas
• Keeping little high temperatures at restricted areas in un-utilizing times
• Voltage optimization for lighting load.
• Reduction in specific consumption for compressor by regular maintenance.
• Insulations to AC units and supply line to avoid AC wastages by that power conservation steps taken.
• Reducing virtual energy consumption kVAh by repairing/installing capacitors.
• Improving operation and maintenance of air conditioning units by regular filter cleaning.
• The outdoor units have been doing service once in 15 days to keep them clean & maintain the heat exchange surfaces effective.
• Evaporative pre-cooling of air around the outdoor units.
• Solar Power pack installation initiative has been taken at new Banjara unit in part of energy management.

• We saved around 398749 units/year and 33229 units/month i.e. 10 % of energy consumption.
• Financially we saved around Rs 3980000, per year
• Reducing 362 Tons of Co2 production.

• We saved around 605848 units/year and 50487 units/month i.e. 32 % of energy consumption.
• Financially we saved around Rs 6050000 per year
• Reducing 551 Tons of Co2 production.

• We saved around 248645 units/year and 20720 units/month i.e. 25 %of energy consumption.
• Financially we saved around Rs 2480000 per year
• Reducing 226 Tons of Co2 production.

• We saved around 89050 units/year and 7421 units/month i.e. 5%of energy consumption.
• Financially we saved around Rs 890000 per year
• Reducing 81 Tons of Co2 production.

• We saved around 440318 units/year and 36693 units/month i.e. 24 %of energy consumption.
• Financially we saved around Rs 4400000 per year
• Reducing 400 Tons of Co2 production.

• We saved around 233069 units/year and 19422 units/month i.e. 25 %of energy consumption.
• Financially we saved around Rs 2330000 per year
• Reducing 212 Tons of Co2 production.

• We saved around 240871 units/year and 20072 units/month i.e. 39 %of energy consumption.
• Financially we saved around Rs 2400000 per year
• Reducing 219 Tons of Co2 production.

• We saved around 87788 units/year and 7316 units/month i.e.10 %of energy consumption.
• Financially we saved around Rs 870000per year
• Reducing 80Tons of Co2 production.

• We saved around 575163 units/year and 47930 units/month i.e. 62 %of energy consumption.
• Financially we saved around Rs 5750000 per year
• Reducing 523 Tons of Co2 production.

• We saved around 35695 units/year and 2974 units/month i.e.5 %of energy consumption.
• Financially we saved around Rs 350000 per year
• Reducing 32 Tons of Co2 production.

• We saved around 407398 units/year and 33950 units/month i.e. 36 %of energy consumption.
• Financially we saved around Rs 4070000 per year
• Reducing 370 Tons of Co2 production.

• We saved around 78383 units/year and 6532 units/month i.e. 15 %of energy consumption.
• Financially we saved around Rs780000 per year
• Reducing 71Tons of Co2 production