Weather
Normalization Adjustment
Part of National Fuel’s
billing calculation includes something called
a Weather Normalization Adjustment (WNA, listed
as “Weather Adjustment” on your bill).
WNAs are common features of many natural gas utility
company bills across New York State. The WNA reduces
the wide swings in bills caused by colder- or
warmer-than-normal weather. “Normal”
temperatures are defined as the average daily
temperature over a 30-year period.
During
colder-than-normal periods, customers typically
use more natural gas to heat their homes, making
bills higher than under normal weather conditions.
Also, during colder-than-normal periods, the market
price of natural gas can be higher due to increased
customer demand. Both of these factors can lead
to significantly higher bills for customers during
these colder periods. On the other hand, when
the weather is warmer than normal, customers use
less gas, and thus, their bills can be significantly
lower. To moderate these weather-related swings,
the WNA applies a credit or surcharge so that
your bill reflects an amount that would be billed
for natural gas delivery services under normal
conditions.
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