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Tom Osborn - BPA

Tom Osborn - BPA. Results of Spud Onion Shed Efficiency Projects. Discussion Topics. What is a Spud Shed? Measurement & Verification Results. Request for approval of kWh savings per HP. Estimating Savings. Spreadsheet tool Measure Fan or Pump kW 3 year billing history Load in / out dates.

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Tom Osborn - BPA

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  1. Tom Osborn - BPA Results of Spud Onion Shed Efficiency Projects

  2. Discussion Topics What is a Spud Shed? Measurement & Verification Results. Request for approval of kWh savings per HP

  3. Estimating Savings Spreadsheet tool Measure Fan or Pump kW 3 year billing history Load in / out dates

  4. Estimating Savings Vendors using spreadsheet tool Measure Fan or Pump kW 3 year billing history Load in / out dates

  5. Estimating Savings using spreadsheet

  6. Estimating Savings

  7. Estimating Savings

  8. Estimating Savings

  9. M&V Savings(results may vary) Monitor 6 months or an entire season. Use utility meter, sub meter, or VFD display data. Monthly records desirable.

  10. Why Different Results? Crop Type Load in & Out Dates Tonnage Quality Crop Owner Storage Manager Storage type (w/ refrigeration?) Analysis Quality Drive Failure

  11. Vendor Driven Program -Utilities explained program to vendors and shed operators. -Generally, suppliers of the shed control system market the utility program. e.g. -Suberizer -Custom Chemical -JMC Ventilation -Industrial Ventilation Inc

  12. Results -43 projects or more! Average savings of 32% Average savings 1,255 kWh/HP Average Cost of $282 Average rebate claimed $129

  13. Summary Spud Sheds with VFDs can be run more efficiently! Economics are good. Product quality can improve. Savings can vary, but average savings of 32%. BPA requests approval of savings/HP.

  14. Questions? Tom Osborn 509-527-6211

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