watts

hours

rate

Cost

start tem

end temp

diff temp

degree/min

gallons

minutes

Hot Liquor back

4500

4

0.00014

2.52

70

190

120

1.500

20

180

Mash tun

1000

1

0.00014

0.14

140

175

35

0.952

7

33

Boil kettle

4500

2.5

0.00014

1.575

165

212

47

2.000

15

94

                     
   

7.5

cost per batch

4.235

        total min.

307

 

 
                total hrs.

5.122222

Formula from Ken's web page:

Degrees per Minute = Watts / (150 x Gallons)