Measuring Performance of Long-Term Power Generating Portfolios - Green Energy and Efficiency: An Economic Perspective - page 418

Pumped load factor. Sample period: 1998:01 2013:08, i.e. 188 monthly

-

observations Tables A.7 and A.8 .

Table A.7 OLS estimates of pumped load seasonality
Coef cient t-ratio

d(1)

0.00150627 3.7567

d(2)

0.0012892 5.5566

d(3)

0.00827051 13.3275

d(4)

0.0123687 10.2670

− −

d(5)

− 0.00954283 − 8.4641

d(6)

0.00018299 0.1880

d(7)

0.00347042 2.8817

− −

d(8)

0.000364568 1.3049

− −

d(9)

0.00139669 1.2297

d(10)

0.000694149 0.7116

d(11)

0.000860186 1.8030

d(12)

0.0118433 10.5627

Table A.8 Regression analysis statistics
Mean-dependent var S.D.-dependent var

0.000053 0.007214

−

Sum squared resid S.E. of regression

0.002323 0.003633

R-squared Adjusted R-squared

0.761330 0.746413

F(12, 176) P-value(F)

62.45414 6.75e-57

Log-likelihood Akaike criterion

795.5788 1567.158

−

Schwarz criterion Hannan-Quinn

− 1528.320 − 1551.422

Rho Durbin-Watson

0.152526 2.304938

−

Average pumped load factor: 0.0845. Pumped load volatility: 0.4660.

−

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