Presentation on theme: "Smart Buildings for a Smart Grid Technology & Services to Make Buildings Grid Responsive James Dagley, Vice President of Channel Marketing and Strategy."— Presentation transcript:
Smart Buildings for a Smart Grid Technology & Services to Make Buildings Grid Responsive James Dagley, Vice President of Channel Marketing and Strategy June 24, 2010 National Town Meeting on Demand Response and Smart Grid – Washington, DC
Intro to Johnson Controls Founded in 1885 by Warren Johnson, inventor of the first electric room thermostat Over 40,000 employees dedicated to building efficiency in 500+ locations in 125 countries Market leader in HVAC and controls technology 13,000 HVAC technicians, 12,000 facility mgrs Over 1.4B sq ft of space under direct management, with services provided to a further 20B sq ft Largest ESCO in North America with over $4.9 billion of active cost savings guarantees 140,000 Employees Fortune 100 Multi-Industry Company 2 2
Agenda for Today’s Discussion 3 Demand Response – the Market OpportunityThe Building Perspective on DR Technology as the Key Enabler Example of Automated Demand Response
Technology makes the smart grid possible…. …and buildings are the next wave 4 Source: Johnson Controls analysis of $3.4 billion in SGIG awarded October 2009
Commercial buildings – big load, large potential 5 Source:North American Electric Reliability Corporation (2009) “2009 Summer Reliability Assessment” FERC (2009) “A National Assessment of Demand Response Potential” Residential Medium C&I Large C&I U.S. Electricity Demand (GW) 4% 20% Potential Impact of DR (10-yr) Small C&I Half of U.S. peak demand is medium to large facilities (>20 kW)
The Building Perspective on Demand Response What do mid to large commercial buildings require in order to be interested in DR? Cost-Effective – economics have to work out Convenient – building operators cannot take on a “second job” to manage load shedding Control – unwilling to allow outside parties (utility, service provider, etc) complete control over load Demand Response technology can help with all three Control Convenient Cost- Effective Technology 6
Cost-effective – Automating DR on operations budgets Source: PG&E/LBNL AutoDR Pilot, 2006. Median payback of projects under PG&E’s Auto-DR program is 2.25 years Installation cost for DR automation technology 7
Convenient – If it’s not easy, no one will do it Source: Global Energy Partners (2007) “PG&E 2007 Auto-DR Program Assessment” 2006 CRA SPP C&I Report; Demand Response Research Center 5% load response without technology vs. 10% load response with auto-DR technology Two pilot studies show that automation leads to better response 8
Control – A “Spectrum” of Demand Response Options Direct Load Control (AC Cycling) Logic, decision-making and control can sit with the load-serving entity, the customer, or anywhere between (e.g. an curtailment service provider): Pure Real Time Price Interruptible Rate Wholesale Capacity Programs Traditional “Aggregator” Model Critical Peak Pricing Wholesale Energy Programs Voluntary Demand Bidding Central Control Autonomous Control 9 Historical DR has been centrally controlled, but there is a push to the right of the spectrum. Buildings benefit.
Dynamic Pricing (RTP) Curtailment/Interruptible Rate Demand/Capacity Bidding Direct Load Control Demand Limiting Fixed Time of Use Pricing Critical Peak Pricing Event-Based Market-Based Minimize Energy Cost Maximize Comfort Smart Grid BMS Smart Grid BMS Energy Storage Energy Loads Onsite Generation -Set Points -On/Off Integrated Supervisory Control Technology can help with cost-effectiveness, increase convenience and maintain control 10 Building owner pre-defines load reduction strategies, levels and thresholds based on and comfort and cost preferences
11 Prevents PHEVs from charging during peak hours Adjusts space temp, and chilled water temp set points Dispatches thermal storage or gen-sets in response to loss in solar PV output Throttles servers for non-critical applications Ensures fans don’t overcompensate for new CHW set points Provides real-time visibility to building managers Automatically dims lighting Marginal cost of power increases, T&D systems become congested Curtailment signal or real time price provided by ISO/utility 1 1 2 2 3 3 5 5 7 7 8 8 6 6 9 9 10 4 4 High summer temps drive up cooling loads An example of an automated demand response event 11
Case Study – Automated Demand Response: Georgia Institute of Technology Georgia Institute of Technology is on a dynamic hourly tariff from Georgia Power Each hour, building management system reads prices for for next 48 hours from utility’s web service feed Facilities director sets price threshold for automated load shedding mode Observing a 1MW peak load reduction, ~7% of load for participating buildings Savings during initial summer 2006 pilot 12
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