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Energy Management (Energy Insecurity (Impacts on the environement…
Energy Management
Energy Insecurity
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Impact on industry
Shortfalls in electricity cause power cuts e.g. in Pakistan, regular power cuts last for 20 hrs a day, costing 4% of its GDP & causes companies to close
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Global Energy
The balance between energy supply (production) & demand (consumption) determines energy security
- If supply exceeds demand, then a country has an ENERGY SURPLUS
- If demand exceeds supply, there is an ENERGY DEFICIT and the country suffers from ENERGY INSECURITY
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Sustainable Energy
A sustainable energy supply involves balancing supply & demand. It requires individual actions & decisions made by businesses & governments
- Energy demand can be reduced by increasing energy conservation
Case Study- Sustainable energy developments in Malmo, Sweden
Malmo's Western Harbour- houses have been designed to generate & conserve energy & the transport system aims to reduce car usage
POSITIVES
BUILDINGS
- All 1000 buildings use 100% renewable energy
- Solar tubes on outside of buildings produce hot water which can be stored in aquifers
- Energy comes from photovoltaic panels on roofs, a 2MW wind turbine, and biogas from local sewage & rubbish
TRANSPORT
- From 2019, all buses will run on a ,fixture of biogas & natural gas
- Cyclists have priority at crossroads
- Buses and water taxis provide frequent public transport
Reducing Energy Demand
- Financial incentives
- Raising awareness
- Greater use of off-peak energy
- Using less hot water for domestic appliances
How can technology increase efficiency of fossil fuels?
- Cars- improved engines & aerodynamic designs
- Development of electric & hybrid cars (in the USA, electric cars could reduce the use of oil for transport by up to 95%
- Development of biofuel tech- Brazil has reduced petrol consumption by 40% since 1993 by using sugar cane ethanol.
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