Increase in nng O&M in 1999? 
As compared to 1998, o&m has numerous increases and decreases, but 1998 had a number of non-recurring o&m credits, which effectively reduced o&m that year; key are as follows:

Payroll capitalization adjustment $1.3million
FAS 106 trueup $3.8million
Severance/relocation reserve reversal $1.1million
ENE crosscharge adjustment $5.4million
Regulatory credit brought into income $1.7million
Reserve reversal, settled $2million