LiveSmart BC Training for Business Energgyy Advisors PRESENTED BY: Robert Greenwald, P.Eng., MBA PREPARED BY: Alvaro Reyes, PEng, and Robert Greenwald, P.Eng., MBA October 20, 2011 OObbjjecttiive TThhe BBusiiness EEnergy AAddviisor ((BBEEAA)) workks with small businesses to identify potential eenneerrggyy ssaavviinngg ooppppoorrttuunniittiieess TTodday we wiillll proviidde some off tthhe ttechhniicall fundamentals required to do this effectively 2 OOuuttlliinnee • The Audit Process • Quantifying Energy Consumption and Costs • HVAC Systems – HVAC Controls – Demand Control Ventilation –– VVaarriiaabbllee SSppeeeedd DDrriivveess • Thermal Systems – Boilers – Domestic Hot Water Heaters Parking Lot • Motors • Refrigeration 3 • Wrap Up and Q&A TTHHEE AAUUDDIITT PPRROOCCEESSSS AAuddiitt OOverviiew 1. Carry out billing analysis before going on siitte 2. Understand the current end uses through on siitte auddiitt andd ddatta gatthheriing 3. Calculate the existing energy use for siigniiffiicantt areas off consumpttiion 4. Identify which opportunities apply and estimated cost and savings, including incentives 5. Put together an appropriate “package” 5 that meets financial expectations DDevellop energy proffiilles ffrom bbiilllls • ie Base gas vs. weather dependent Building "A" Building "B" Gas Space Heat & Gas Domestic Hot Water, Electric A/C Electric Space Heat, Electric A/C, Gas Domestic Hot Water 16,000 18,000 14,000 16,000 14,000 h 12,000 h WW WW 1122,000000 k 10,000 k nt nt 10,000 e 8,000 e al al 8,000 v 6,000 v ui ui 6,000 Eq 4,000 Eq 4,000 2,000 2,000 0 0 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Monthly Electricity Consumption Monthly Gas Consumption Monthly Electricity Consumption Monthly Gas Consumption Building "C" Building "D" Gas Space Heat & Domestic Hot Water, no A/C Gas Space Heat & Process Heat, 2 Week August Shutdown 12,000 12,000 1100,000000 1100,000000 h h W 8,000 W 8,000 k k nt nt e 6,000 e 6,000 al al v v ui 4,000 ui 4,000 q q E E 2,000 2,000 00 00 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 6 Monthly Electricity Consumption Monthly Gas Consumption Monthly Electricity Consumption Monthly Gas Consumption Savinggs Apppproach: Match the Need & Maximize Efficiency 2nd / 3rd 1st Priority Priority Lower Cost Higher Cost Action ((ooppeerraattiioonnaall)) ((tteecchhnnoollooggiiccaall)) Eliminate Manual control Automatic control WWaassttee Maximize Operating Efficient EEffffiiciiency conddiittiions equiipmentt 22nndd // 33rrdd 44tthh Priority Priority 7 Exampple: Match the Need HVAC Control • SSettbbackk//SSettup • Start/Stop • Outside Air Reset • Ventilation on Demand 8 EExamplle: MMaxiimiize EEffffiiciiency • Proper Maintenance •• HHiigghh EEffffiicciieennccyy MMoottoorrss • Energy Star Equipment 9 UUnnddeerrssttaanndd tthhee RRaattee aanndd CChhaarrggeess • Use the correct rate for yyour savinggs calculations Further information: https://www.bchydro.com/youraccount/content/lgs_explainer.jsp 10