Presentation is loading. Please wait.

Presentation is loading. Please wait.

RECP Clubs: resource materials

Similar presentations


Presentation on theme: "RECP Clubs: resource materials"— Presentation transcript:

1 RECP Clubs: resource materials
July 2015 Better Business – Cleaner Environment – Green Economy Resource Efficient and Cleaner Production (RECP) for Small and Medium Businesses Developed by the United Nations Industrial Development Organization under the Regional RECP Demonstration Programme for Eastern Partnership Countries, with funding support from European Union under EaP GREEN Initiative EaP GREEN RECP Demonstration Component

2 RECP Clubs: resource materials
July 2015 Today’s Workshop Assess progress on environmental profile Why? You can only manage what you know What? Baseline profile of the use of materials, energy and water and generation of waste, effluent and emissions Next Step Priority issues to manage Proceed to energy efficiency Overview What ? – Global, national and business concerns Why ? – Business benefits of energy efficiency How ? – To build the energy profile and identify energy efficiency options Discussion and assignment EaP GREEN RECP Demonstration Component

3 Environmental Profile
Report back Baseline profile with RECP indicators Use of materials, water and energy Generation of waste, emissions and effluents Business case What are the five most critical non-product outputs ? What is the cost of these non-product outputs? Data gaps?

4 RECP Clubs: resource materials
July 2015 Module 2 – Energy What? Why? How? EaP GREEN RECP Demonstration Component

5 Energy: a global concern
RECP Clubs: resource materials July 2015 What ? Energy: a global concern Continued rise in primary energy consumption 38% increase since 2000 Energy use causes 69% of global greenhouse gas emissions Manufacturing and construction responsible for 39% of energy related CO2 emissions All energy use is associated with other environmental impacts Depletion of natural resources Land use Air and water emissions and waste generation BP 2015 Statistical Review of World Energy IEA 2014 CO2 emissions from fossil fuel EaP GREEN RECP Demonstration Component

6 Energy: national challenges
What ? Energy: national challenges Sum up national challenges in regard to energy

7 What are business concerns?
Cost to business Prices of fuel and energy Unexploited potential for energy efficiency Risk to business Lost production due to interrupted energy supply Volatility in fuel and energy prices, due to market and political factors Impact on environment Contribution to climate change, due to emissions of Greenhouse Gas (GHG) Generation of smoke and other air emissions, slags, etc.

8 Causes CO2 emissions of:
What? Energy and Climate Do you know that.. One unit of: Causes CO2 emissions of: 1 kg light fuel approx. 3.2 kg 1 kg heavy oil approx. 3.1 kg 1 m³ natural gas approx. 1.8 kg

9 Benefits from energy efficiency
Why ? Benefits from energy efficiency Direct and indirect savings Reduce direct energy cost Indirect savings: Reduced maintenance Longer life of equipment Less materials including toxic materials Business security Reduce dependence on volatile energy price Improve energy security New business opportunities Energy efficient products Potential for innovation Better positioning on the market Social responsibility Climate change mitigation Energy efficiency culture Source Bain&Co

10 Why ? Business Examples National examples

11 Challenges to energy efficiency
RECP Clubs: resource materials July 2015 Why ? Challenges to energy efficiency Limited energy awareness Actual energy use and its associated costs Impacts of behaviour and process conditions on energy consumption Lack of energy knowledge Specific energy knowledge Lacking benchmarking Energy saving techniques and practices Access to technology High costs of energy efficient technology EaP GREEN RECP Demonstration Component

12 RECP for Energy Efficiency
What? Source: Where is energy used for what purpose? Cause: What factors influence these energy uses? Option: How to minimize these energy uses?

13 Understanding your energy use
What ? Understanding your energy use Source Main questions: What types of energy are used? How much energy is used? Where is energy used? Production processes Utility systems – steam, compressed air, cooling Buildings Others

14 Assessing energy consuming processes ...
How? Assessing energy consuming processes ... What do we need to know? Source Energy assessment of production Process steps Process flowcharts Energy inputs Types of energy Process conditions Temperature Pressure Batch size Energy and water intensity Utilities Warm water Steam Compressed air Cooling and heating Process performance Input /output quantitative data Performance indicators Energy losses Cost

15 Data collection Overview of energy input Overview of energy output
What? Data collection Source Overview of energy input Types of energy (electricity, fuel, gas, heat, etc.) Monthly and annual consumption Overview of energy output Types of energy flows Energy lost with energy flows Cost of lost energy Energy cost Consumption of energy Connection, base-load and peak demand charges Penalties and other charges

16 Sources of energy data Input data Output Point of use What? Source
Meters (fuel, gas, heating, electricity) Data from suppliers Accounting documents Internal records Equipment technical manuals and platters Calculations Peak loads and power factors Output Meters (steam, warm water) Utilities technical parameters (flows, temperatures, pressures, etc) Point of use Variables that affect energy consumption (production, temperatures, pressures, etc) List of equipment (functioning hours, rated power, fabrication data)

17 Energy, power, demand ... Typical calculations of heat fluxes:
What? Energy, power, demand ... Source Q – amount of heat required to raise temperature Cp – specific heat m – mass T – changes in temperature U-Factor--measure of rate of heat flow Typical calculations of heat fluxes: transport of heat power in fluids Q = m  cp  T energy to heat up a (solid) mass m Q = m  c  T heat flux through a wall Q = F  U  T energy = kWh or kJ power = energy per time unit = kW or kJ/s Source: UNEP, Pre-SME’s Toolkit

18 Root causes of inefficient use
How? Root causes of inefficient use Cause PLANT PEOPLE PROCESS INPUTS Process Control Equipment Design LOW Energy Efficiency Technology Choice Internal Value External Value WASTE PRODUCT

19 Root causes of inefficient use
How? Root causes of inefficient use Cause Root Cause Category Some examples (compressed air system) Process Inputs Temperature at air intake People Inappropriate use e.g. for drying, cleaning, etc. Plant Process Control Operating pressure intervals Equipment Maintenance status of compressor Design, dimensioning and lay out of compressed air distribution Technology Type of compressors (compressed air supply) Product Pressure at point of use Alternative power sources (compressed air uses) Waste Internal Value Waste heat from compressors – replaces heating demand External Value Waste heat from compressors – adds to air conditioning load

20 RECP for energy efficiency
How? RECP for energy efficiency Option PLANT MODIFICATION HOUSEKEEPING INPUT CHANGE Better Process Control Equipment Modification Technology Change HIGH energy efficiency On Site Reuse Useful Byproduct UTILIZATION PRODUCT MODIFICATION

21 RECP for energy efficiency
How? RECP for energy efficiency Option RECP Practices Some examples (compressed air system) Input Change Change air intake – cool and shielded location Good Housekeeping Avoid unnecessary use Plant Modification Process Control Improved controls on operating pressure Equipment Modification Fix all leaks, eliminate disused parts of reticulation system, minimize pressure reduction Improve maintenance on compressors Technology Change Energy efficient compressor systems Product Modification Switch to alternatives for compressed air – direct powered tools, electronic controls, etc. Reuse On Site Reuse Recover waste heat for building heating Useful By Product Insulate to eliminate non-useful use of heat of compressor

22 Typical energy efficiency options for main energy users
How ? Typical energy efficiency options for main energy users Compressed air Cooling/freezing/air conditioning Thermal systems Load management systems Electrical motors Lighting Buildings What do we need to know? Energy balance Typical savings Reuse of energy losses

23 How ? 1. Compressed air Compressed air system Heat dissipation ~ 5% Pressured air ~ 10 % Recoverable heat from oil cooling ~ 85 % Energy supply (Current) 100 % Compressor energy flow diagram About 10% from the electric power is converted into compressed air. The rest is given off as heat. About 85% of energy in the form of heat can be recovered and re-used from the cooling oil. The remaining 5% are emitted as radiation losses into the environment.

24 Typical solutions to save energy
How ? Typical solutions to save energy Saving energy for compressed air Correct dimensioning of the system Elimination of system leaks Avoid inappropriate use Preventive maintenance Control demand events Replace poor systems Locate in clean and cool environment Control working pressure

25 2. Cooling/refrigeration/air conditioning
How ? 2. Cooling/refrigeration/air conditioning Source:

26 Typical solutions to save energy
How ? Typical solutions to save energy Cold supply Saving energy for cooling systems Adjust the system to the real needs Replace inefficient cooling machines Ensure system insulation Optimize control and regulation Minimize or avoid hydraulic pipes Use freecooling facility Install and optimize heat recovery on cooling system

27 3. Thermal systems - Boilers
How ? 3. Thermal systems - Boilers Heat balance - Boiler energy flow diagram Source: UNEP CP-EE Manual

28 Typical solutions to save energy
How ? Typical solutions to save energy Heat and warm water supply Saving energy for thermal systems Replacing old and inefficient boilers and heat exchangers Optimal combustion (air concentration) Condensate recovery Maintenance of water quality control and blowdown Insulation of boiler, heat exchangers and pipes Optimising hydraulic pipes Feeding water / intake air temperature

29 4. Electric motors How ? Load Motor Efficiency = Pin (w)/Pout(w)
Plods Motor Power Pin (w) Load Power Pout (w) Motor Efficiency = Pin (w)/Pout(w) Efficiency levels (EU) : IE1 Standard Efficiency (Jun, 2011) IE2 High Efficiency (Jan, 2015) IE3 Premium Efficiency (Jan, 2017)

30 Typical solutions to save energy
How ? Typical solutions to save energy Saving energy with motors Replace old , inefficient motors with new motors generation Reduce under loading Avoidance of oversize motors Proper ventilation and heat evacuation Regular check on motor loading to monitor variations Improve maintenance Improve power input Use variable speed drivers

31 Waste heat recovery and use
How ? Waste heat recovery and use Which waste heat is available? Heat from fluegas, compressors, motors, condensers Temperature level Load profile (when and which performance, time pattern) What are the potential heat users? Heating/pre-heating (air, water) Necessary temperature level Load profile (which is when power needed?) Local conditions Distance between heat accumulation and potential heat users

32 5. Lighting Choose the right light
How ? 5. Lighting The lighting systems Choose the right light Task-lighting - position at point of requirement Use only when needed for as long needed Match illumination level with needs Source: UNEP CP-EE Manual

33 Typical solutions to save energy
How ? Typical solutions to save energy Saving energy for lighting system Task lighting Manual and decentralized controls Efficient light bulbs (e.g. LED) Periodic maintenance and cleaning Automatic control (motion and/or daylight sensors) Use daylight

34 4. Load management systems
How ? 4. Load management systems Electricity cost: Energy costs in the true sense (i.e. the cost of the kWh consumed)- can be reduced primarily by reducing electricity consumption Costs of power demand (i.e. the cost of the peak electrical power requirement) - can be reduced by reducing peaks of power consumption Electric load management control of maximum demand scheduling of its occurrence during peak/off peak periods.

35 Typical solutions for load management
How ? Typical solutions for load management Saving energy through load management Rescheduling loads Staggering of motor loads Storage of products Shedding of non-essential loads

36 5. Buildings performance
How ? 5. Buildings performance Building envelope Walls Floor Roof (major source of loss) Building materials Insulation Windows Doors External influence Topography and landscaping Exposure to sun and wind Vegetation and tries

37 Energy management in buildings
How ? Energy management in buildings Reducing energy for heating Envelope insulation Double and triple glazing windows Revolving doors Re-organizing inside space and activities Reducing energy for cooling Reduce glass area Ensure shadowing Reduce heat gain due to interior activities Heat loss Heat gain

38 Taking your pulse….

39 Energy use 2. Primary Energy Users A: Direct use in production
A: Direct use in production Please list major energy consuming processes/equipments ID Energy source (electricity, coal, gas etc) Energy User/ Equipment Rated energy consumption (kW) Annual Operating Hours (hrs/yr) Estimated Annual Energy Consumption (kWh/yr) Purpose of Use What factors influence total energy consumed by this energy user? 1 2 3 4 5 6 7 8 9 10  Total accounted energy use in production % of total energy consumption #DIV/0!

40 Hidden Profit Experience shows that most small businesses can easily save at least 10% of their energy costs… What is the profit margin of your company? What is the share of energy costs in your company’s costs? Reduce energy costs by 10%, how much does that increase your profit? 10% energy savings in a company with profit margin of 15% and where energy represents 15% of costs, will increase operating profit by 10%.

41 Next Step Introduction of self assessment module on energy Identification of possible bottlenecks

42 Wrap Up – Take Aways What ? Energy efficiency is critical for reducing GHG emissions and their effects on climate change Energy efficiency significantly reduces the business cost and increases it’s profitability and security Why ?

43 Wrap Up – Take Aways Improving energy efficiency requires to:
To understand: Energy direct and indirect use, consumption and cost To identify: Factors influencing energy use Causes for energy inefficiency and losses To generate and implement RECP options to increase energy efficiency How ? Source Cause Option


Download ppt "RECP Clubs: resource materials"

Similar presentations


Ads by Google