Presentation on theme: "Wattwize at Dunbarton 2006-2010. Where Does Wattwize Fit? Grade 9 Science – Electricity -Audits of classrooms and offices. Environmental Club - Audits."— Presentation transcript:
Where Does Wattwize Fit? Grade 9 Science – Electricity -Audits of classrooms and offices. Environmental Club - Audits of “the commons” – utility rooms, hallway lighting, computers. Co-op - co-op student attached to Urban Watershed Science.
EcoSchools Part II. Energy Conservation Guiding Question: How does your school make decisions, and follow daily routines and operational practices, that significantly reduce its impact on the environment? At DHS: Initial Electrical Use Audit (October 2008) – 80 classrooms audited. Lighting Energy Conservation Program for renovated classrooms (coming in March 2009). Lighting Energy Conservation Strategy for school offices, utility rooms, etc. (To be presented to DDSB Facility Services March 10 2009) Automatic Computer Shutdown Study (April 2009) Final Electrical Use Audit (March-April 2009) – 80 classroom follow-up. Hallway Lighting Load Study (2009-2010)
SNC1D4 Wattwize Initial Findings - 1 December 2006 What We Know DHS Annual Electricity Cost:$174 797 (year to August 2006) DHS Annual Consumption1 674 808 kWh (enough electricity to run a 100 W light bulb for 1912 years, or the output of all six operating reactors at the Pickering Nuclear station for about 35 minutes) ***Why is this less than the number from the bill?
SNC1D4 Wattwize Initial Findings - 2 December 2006 Lighting Total Calculated Lighting Load:275 404 kWh @ $0.113/kWh= $31 120/year. Assumptions34 W bulbs on for 7.5 h/day, 5 days/week, 44 weeks/year. - number includes all halls and classrooms. - number excludes storage rooms, gym lights, outdoor lights, heating system (pumps)….
SNC1D4 Wattwize Initial Findings - 3 December 2006 Difficulties: - actual time lights on? - ballasts in each fixture use from –2W to 25W (not part of our calculations) - Bulbs being changed to T8 from T12.
2 Lamp FL fixture system comparison LampSizeLampwattsFixt.WattsFixt. Current (A) Lumens per lamp Lumens per Watt % T124088.73305069 T123476.63265069- T83259.49290098 + 30 % T5HO541201.0500083 + 17 %
SNC1D4 Wattwize Initial Findings December 2006 What We Found Out We measured or calculated: - electricity consumption for lighting, computers, pop machines. - actual DHS metered consumption for the week of Nov. 28 to Dec. 5. Focus On: Lighting and Phantom Load – these can be controlled by student and teacher behaviour.
WattWize Utility Room Audit Survey Summary of Findings March 2009
Project Summary – to identify potential electrical savings by installing motion sensitive light switches in all offices, washrooms, gymnasiums, change rooms and storage rooms in the Dunbarton North Campus.
Survey: 59 rooms were identified 78 individual light switches were in these rooms These switches controlled 34W light bulbs. Assumptions each light bulb is on for 9 hours each day (8am to 5 pm) all bulbs are 34W motion sensitive switches would cut power use in these rooms between 25% and 50%.
Why Do We Want to Do this? Why Rely on Artificial intelligence, should we not be trying to make our society appreciate the environment? Yes, as a school we are doing other initiatives in order to make our school realize the environment should come first. However, the work rooms are rooms that is the responsibility of everyone and no one. This is an issue that many school may have where everybody can take responsibility because it is an undesignated zone, the issue is that no one ever does. This the reason we would like to rely on Artificial intelligence to control our electrical usage in these rooms that are not being taken care of by students or staff.
Where has our Information Come From ? A group of Grade 9 science classes along with over 30 member of Dunbarton's environmental club over 2 years have all had the opportunity to survey Dunbarton’s electrical usage. It has left us with over 13 pages of raw data this is being used to make calculations as to how we can reduce our electrical consumption Dunbarton High School Wattwize Data Room # Room Type # switche s # bulbs/switc h x 34 W/bulb 100s Level 100s girls' bathroom 2634 100s boys' bathroom 2634 137 science office 11034 137 ●science office ●science office12034 cafeteria right side 15834 cafeteriabottom15634 cafeteriabottom23234 cafeteriabottom42834 cafeteriabottom12634
Doing the work This project has been a culmination of two years of research and raw data. To the left is a member of the Electrical Team recording the number of light switches and how many bulbs each switch controls. The team also takes notice of the number of bulbs in each light bank and how many light banks there are per room. All of these factor into calculating the Kilo Watt usage for each room
The 16 rooms in the 100 area had an overall Kilo Watt consumption of just over 135 Kilo Watts an Hour each day With Motion sensors and a 50 % reduction in electrical use in these rooms the Kilo Watt usage by the 100’s area would be just below 68 KwH This shows a money saving of around of around 8 dollars a day. This means that all 59 rooms will be reducing their emissions from 373 KwH to just above 186 KwH With all motion sensors put in Dunbarton will be saving daily just above 22 $
The yearly output has Dunbarton putting out 74 000 KwH a year, (200 school days) With sensors and a 50 % reduction we reduce that number to 37 000 KwH for the entire year. This also means that we are saving just under 4000 $ annually. Our CO2 output is also much less. We are putting out approximately 10.3 metric tons less of CO2 gasses throughout the year At the local Home Depot motion sensitive light switches are priced at 30$ after tax is 34 $ 59 rooms = 34 X 59 = 2006 $ for all of the lights to be covered and installed. This is assuming we only need one sensor per room. Even at an electrical savings of only 25% we basically cover our cost within the first year. However if we save around 50%, we are then able to use the excess money to maybe move to something like Bullfrog power. An alternative energy company that may cost more but uses completely green energy from wind turbines and solar power. Quick View Heath Zenith Heath Zenith Occupancy Motion Sensor Wal... Store SKU # 1000512067 $29.99 COMPARE Details
In Conclusion Here at Dunbarton in North Campus we have 59 work rooms with manual switches We have an annual kilowatt consumption of 370,014 kilowatt hours With the introduction of automated light switches we can reduce this by 18,300 kilo watt hours This will give us a money saving of 5000 $ and it will cost us 3000 to install meaning we will make our proposed cost back within less than a year. We will save ……. Trees We will take 3232 tons of CO2 out of our earths atmosphere. Which is the equivalent of driving a.. For estimated number of hours.
What We Want Although we are asking for this, it is not our ultimate goal. We are asking that you allow us to be a pilot school. Allow us to be environmental leaders within the Pickering, Ajax and the surrounding Durham region. Allow us have motion light switches, allow us to create green roofs on our newly constructed roofs. Allow us to explore geothermal heating and allow us harness the power of our sun in order to run our school rather than relying on power that ultimately destroys our Earth. Allow us to switch to Bull frog Power. This money could come from the savings produced by the sensors. We want our initiatives to be supported this is ultimately what we are asking for.
We are asking that you allow us to be truly environmental and explore the opportunities of renewable energy, waste reduction and green roofs. We are asking that you support Change. “You must be the change you wish to see in the world” Mahatma Ghandi
EcoSchool Co-op Student Andrew Graham Duties: Energy and Waste Follow up Audit. Renovated Classroom Project. Computer Shutdown Study. EcoSchool Presentation for Feeder Schools. for Feeder Schools. Look for him Wednesday and Thursday afternoons. Thursday afternoons.
DHS Conservation Plan 2008-2011 Goals Develop data based room specific programs to enable conservation behaviour in all room users. Educate staff and students on the importance of energy conservation and train room users in conservation behaviours for the rooms they use. Identify needed infrastructure changes that if implemented would reduce electricity consumption in the school. Engage Facilities Services and School Administration in education and discussion about how to implement infrastructure changes. Monitor electricity consumption in the school for two years. Reduce electricity consumption by 10% in each of our buildings from 2008 levels by June 2010.
How? – The Commons Area 1: The Commons areas of the school that are “un-owned” by any particular individual or group. storage rooms, gymnasiums, hallways, some staff workrooms, washrooms and photocopy rooms. The main use of electrical energy in these rooms is for lighting. There is therefore no easily identifiable “owner” of these spaces who can be educated on energy conservation behavioural change. Strategy: Identify all “commons” rooms. Determine lighting energy consumption in each of these rooms (see attached spread sheet). Identify potential savings if lighting use reduced (see attached power point presentation) Deliver data and strategy to Board officials (February 2009). Ask for the installation of motion and sound sensitive switches to automate “lights off” in these areas (except hallways). Success (see letter indicating approval for the installation of ten of these switches). Fall 2009 – Initiate a study of hallway lighting use with a view to reducing the use of lights in hallways.
How? – Owned Spaces stable and predictable occupancy throughout the school year. stable and predictable occupancy throughout the school year. educating users to reduce electrical consumption through behavioural change. educating users to reduce electrical consumption through behavioural change. Type 1: Newly Renovated Rooms (Science, Math and 2 Computer Labs), South Campus Identify opportunities in the design of the newly installed light switches. Calculate potential $ and CO 2 and kWh savings of each switch combination. Develop a poster and deliver an annual presentation to explain potential savings. Type 2: Rooms With Computers (Library, Computer Labs) Use the Wattwize program to audit energy use in each of these rooms. Each room will receive a poster and a presentation identifying achievable behavioural changes Our Wattwize/ Ecoschools student will begin a study of nighttime computer shut-off. Type 3: All Remaining Classrooms, Main Office Use the Wattwize program to audit energy use in each of these rooms. Each room will receive a poster and a presentation identifying achievable behavioural changes.
DHS Conservation Plan - Outcomes Analysis of possible savings from reduced electrical use in commons. (Fall 2008) Development and delivery of presentation to Board Facilities Services staff on data related to potential savings in commons areas. (Spring 2009 - complete) Installation of motion and sound sensitive switches in commons areas. (Approved for Fall 2009) Development and delivery of energy conservation posters and short presentations to classrooms and offices (two formats, depending on newly renovated room or not). (Spring 2009 – complete) Analysis of computer shut-off data. (June 2009) Development of presentation to Board Facilities Services staff on results of computer shut off study and implementation of any needed strategies. (Fall 2009) Analysis of hallway lighting consumption and identification of areas for conservation of electricity used for this lighting.(Fall 2009) Development and delivery of presentation to school Principal of the proposed hallway lighting conservation plan.(Spring 2010) The school actually uses less power!
Solar Project Coming to Durham Public Board January 05, 2010 “money for green pilot projects at Dunbarton High School in Pickering and the unnamed Lynde Shores public school in Whitby. The program, which received almost $95,000, will see solar technology installed at the locations to heat water, said superintendent David Visser.” "I look forward to seeing the solar panel at Dunbarton at work this spring," said Pickering Trustee Sherry Croteau.