Average annual total cost

Average annual variable cost

Average renewable production

Spearman’s rho

Average annual total cost

Correlation Coefficient

1.000

0.938**

−0.950**

Sig. (2-tailed)

.

0.000

0.000

N

32

32

32

Average annual variable cost

Correlation Coefficient

0.938**

1.000

−0.900**

Sig. (2-tailed)

0.000

.

0.000

N

32

32

32

Average renewable production

Correlation Coefficient

−0.950**

−0.900**

1.000

Sig. (2-tailed)

0.000

0.000

.

N

32

32

32