4. New buildings comprise just 1-2% of our total building stock* Existing buildings make up majority of commercial building stock Significant CO 2 reductions need to come from existing commercial buildings if Government CO 2 reduction targets are to be achieved Existing Commercial Buildings *Investment Property Forum Research Program 2006 - 2009
5. Each building has unique opportunities for improvement. Good Examples Bad and Ugly
6. Where we are Where Government would like us to be The compromise How do we get from the Range Rover to the Prius? How much can we reasonably expect to save? What should we do next?
8. Emissions Management Aim: Continual Improvement Process 1 2 3 Metering Compliance and coverage Metering and Data Scope & Accuracy Recommendation Report Energy Performance v Best Practice Engineering Systems Health Check Improvement Identification Implement Improvements Validation of Improvements Measure Success CARBON MANAGEMENT Appraisal Evaluate Implement & Monitor
10. The Building Health Check Metering and Measurement Audit Energy Use Energy Data Collated and Used for: Tenant Invoicing & CRC Missing Link Appraisal
11. Health Check - Metering and Measurement Audit Offices 1 st to 6 th floors Reception and Retail Ground Floor Hoare Lea were appointed to investigate why the landlord’s areas (15% of the building) were responsible for 65% of the building electricity consumption. Building Total Area 1,500m 2 Appraisal
12. We undertook a metering “Health Check” Results: Metering scope, strategy, coverage and accuracy was correct Health Check - Metering and Measurement Audit We undertook building performance analysis – Results: Performance as “Typical” for each category of use (Office and Retail) 198 128 226.0 0 50 100 150 200 250 Actual (Office) Good Practice Office Guide F Typical Office Guide F Annual kWh per m² Office Area Energy Use (Electricity) 230 172 231.0 0 50 100 150 200 250 Actual (Retail Unit) Good Practice Retail Guide F Typical Retail Guide F Retail Unit Energy Use (Electricity) Annual kWh per m² Appraisal
13. Data Health Check - Metering and Measurement Audit The Building Energy Use Energy Data Collated and Used for: Tenant Invoicing & CRC Missing Link £37,815.00 £9,549.00 £28,266.00 Appraisal
14. Data Health Check - Metering and Measurement Audit The Building Energy Use Energy Data Collated and Used for: Tenant Invoicing & CRC £37,815.00 Someone was out of pocket by £28,200.00 each year! £37,815.00 Missing Link Appraisal
16. Hoare Lea was appointed to evaluate engineering systems and undertake a health check for a large London portfolio with large energy demands. Electricity 13,122,736 kWh Cooling 2,522,930 kWh Heating 3,171,310 kWh 2,000,000 4,000,000 6,000,000 8,000,000 10,000,000 12,000,000 14,000,000 Annual Energy Demands (2009-2010) kWh Evaluate
21. AHU’s operating 24/7, 365 days per year Evaluate Annual Cost to Operate the AHU Fan: Evaluate AHU 5 Supply Fan Only £0.11 p/kWh 1,053 kWh/week 54,756 kWh/Year £115.83 Week running cost 24hrs/day £6,023.16 Yearly Running Cost
22. Why, was this AHU operating continuously? To serve the night receptionist! Solution: Provide a portable heater for use when necessary Payback instant Use these savings to fund further improvement works Evaluate Savings £3,011.58 £ 27,378.00 Savings electricity kWh 15,057.90 Saving kg CO 2
24. Use the savings to identified during “appraisals and evaluations “ to fund further improvement works that require more intensive capital investment. Develop a strategy and plan Continual monitoring of performance is imperative Implement & Monitor
