Power Factor Analysis (Sample) The Widget Factory Power Factor Analysis
Rate 21 SD
General Service - Large Month | Indicated
kW | Power
Factor | Present
Billing
kVA | Billing
kVA at
90% PF | Billing
kVA at
95% PF | Billing
kVA at
98% PF | January | 215.0 | 94.0 | 263.8 | 263.8 | 248.6 | 241.0 | February | 215.5 | 94.9 | 263.8 | 263.8 | 248.6 | 241.0 | March | 220.2 | 95.0 | 263.8 | 263.8 | 248.6 | 241.0 | April | 201.0 | 95.4 | 263.8 | 263.8 | 263.8 | 241.0 | May | 250.0 | 93.8 | 266.5 | 266.5 | 263.2 | 255.1 | June | 171.0 | 91.1 | 297.5 | 297.5 | 285.3 | 276.5 | July | 272.0 | 91.0 | 298.9 | 298.9 | 286.3 | 277.6 | August | 295.2 | 89.5 | 329.8 | 328.0 | 310.7 | 301.2 | September | 286.0 | 91.0 | 314.3 | 314.3 | 301.1 | 291.8 | October | 280.3 | 91.1 | 307.7 | 307.7 | 295.1 | 286.0 | November | 260.0 | 93.1 | 279.3 | 279.3 | 273.7 | 265.3 | December | 235.0 | 94.5 | 263.8 | 263.8 | 248.6 | 241.0 | TOTAL: | 3,001.2 | | | 3,411.2 | 3,273.6 | 3,158.5 | AVERAGE: | 250.1 | 92.9 | 284.4 | 284.3 | 272.8 | | PEAK: | 295.2 | 89.5 | | | | 263.2 | Account #: | 1234-56 | | | Rate Schedule: General Service - Large | | Contract Capacity: 0 kVA | | Correction to 90%: | Add 6 kVAR @ 208 Volts | Estimated Annual Savings: | 1 kVA X $5.75/kVA=$5.75 | | Installed Cost: | $166 to $249 | | | Simple Payback: | 28.91 to 43.36 Years | | Correction to 95%: | Add 67 kVAR @ 208 Volts | Estimated Annual Savings: | 139 kVA X $5.75/kVA=$799.25 | | Installed Cost: | $2,004 to $3,006 | | | Simple Payback: | 2.51 to 3.76 Years | | Correction to 98%: | Add 116 kVAR @ 208 Volts | Estimated Annual Savings: | 254 kVA X $5.75/kVA=$1,460.50 | | Installed Cost: | $3,487 to $5,231 | | | Simple Payback: | 2.39 to 3.58 Years | | NOTE: | Capacitors were sized based on the peak demand and associated power factor.
The above capacitors may not be standard sizes available from a manufacturer.
Nearest standard rating should be installed.
Example: If calculation was 58 kVAR, next standard size is 60 kVAR.
Installed cost based on $30 to $45 per kVAR. |
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