Workshop & Garage: running costs

• Sump Pump800 W, $2.20 a month
• Well Pump1,100 W, $9.08 a month
• Air Compressor1,500 W, $2.06 a month
• Table Saw1,800 W, $4.95 a month
• Shop Vacuum1,200 W, $1.65 a month
• Welder (MIG or Stick)4,000 W, $5.50 a month
• Garage Door Opener500 W, $0.055 a month