Solar Asset Management and Performance Monitoring: Panel-to- Grid

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1 High Performance Monitoring Solar Asset Management and Performance Monitoring: Panel-to- Grid Justin Robinson Program Manager DAS October 1, 2012

2 Draker Company Overview Oldest, largest U.S. Based independent service provider of performance monitoring and asset management for commercial and utility-scale solar installations 80 Employees: Burlington VT, Austin TX and Sacramento CA 700+ projects (850+ stations) totaling ~500MW 650 sites in US 60 sites in Ontario <10 international True turnkey solution: Resource assessment campaigns Project specific engineering and field services Data acquisition and supervisory control hardware Local and remote software applications for active performance management and control

3 End-to-End Performance Management Solutions All Draker end-to-end solutions are composed of hardware, software and services SCADA and Instrumentation Hardware Intelligent Array Software Project and Field Based Services

4 Draker PV Prospector Bankable resource assessment Use bankable data to reduce project risk and improve financing terms Conduct an On-Site Measurement Campaign Procure High-Quality Historical Data Analyze Data Sets and Predict Long-Term Resource Quantify Data Uncertainties Power Production Estimates

5 Draker PV Hardware & Instrumentation Complete line of DAS and instrumentation from panel to the grid Fully configurable hardware based on system size and project requirements Environmental sensors measure site-specific natural resources Clarity DC Monitor (Panel and String Level) Clarity DC Optimizer Communications with inverters for status, fault and efficiency information Revenue grade energy meters PV Control: SCADA Integration and HMI development Grid Integration: Transformer, Switchgear and Substation monitoring

6 Clarity TM Monitor Why? Faulty panel detection & isolation Soiling management More cost effective than traditional string monitoring Key Features High accuracy (0.5%) V & I Simple Integration Wireless data transmission Parasitic Selective deployment

7 Clarity TM Optimizer Why: Power Loss Mitigation Seasonal & daily shade Zonal soiling (eg. array edges) Large temperature differentials Panel alignment issues String length variations Irradiance spatial variability Variable module degradation Fill factor variation Key Features Integrated monitoring Selective deployment UL1741, CSA22.2#107.1, & IEC % efficiency DC Disconnect

8 Draker PV Base Station Key Features Campbell Scientific datalogger Optional cell modem Labeled terminal strip for easy field wiring 8-port Ethernet switch UPS Power supply ( VAC)

9 Intelligent Array Software Industry-leading Clarity DC analytics, AC analytics and portfolio level monitoring including management features Portfolio-level dashboard At-a-glance view of portfolio status and performance Project-level Overviews Quickly drill-down on individual projects for site-specific performance data AC Analytics Compare component subgroups within a large PV system to understand DC to AC performance DC Analytics Compare component subgroups within a large PV system to understand solar to DC efficiency

10 Intelligent Array - Key Features anagement Suite Active performance management nd Draker Performance Index Clear identification of loss factors Losses tracked against thresholds Direct link to priority action plan Real Time Soiling Analysis Energy impact quantified Financial impact calculated Threshold based cleaning strategy Array Health Assessment Cumulative impairment impact Constant re-commissioning nfidential

11 Performance Management from Panel-to-Grid (P2G) Draker solutions maximize the efficiency and profitability of PV systems Module level optimization increases yield Clarity TM DC optimizer is a cost-effective solution supporting both selective and array level deployments significantly reducing shading and soiling impacts P2G control solutions for seamless, grid integration SCADA and remote-disconnect capability Panel-level remote-disconnect capability for commercial safety code compliance Reduce downtime and corrective maintenance costs Clarity TM DC performance management system can identify and compensate for panel-level impairments, improving power harvest by as much as 20% in severe cases Draker s intelligent alarms notify operators instantly when a problem is detected so required action can be taken immediately Draker s Directed Dispatch TM O&M resource deployment saves time and money by directing maintenance personnel to the precise location of required repairs Optimize O&M resource allocation Portfolio-level monitoring and comparative intelligence combined with financial metrics and revenue tracking enable ROI-based maintenance prioritization

12 Public View Website Increase adoption through education

13 Draker P2G Commercial Solutions Packaged end-to-end solutions to fit your information needs and your project budget

14 Draker Experience Representative commercial and utility-scale projects and clients Rossi Honda Vineland, NJ (233kW) Enfinity Stardale, ON (27MW) Belectric Bruceville, CA (17.9MW)

15 Contact US For more information contact Draker at: Phone: Vermont / Texas / California