NEMS and RSTEM Weather Sensitivities

 

 Weather sensitivities were computed at the regional level for each of residential and commercial sector electricity and natural gas demand. The sensitivities were based upon two NEMS scenarios for which HDD and CDD values were incremented individually by +10%. The arc elasticities were then computed for each of the years 2010-2015. For QB and QS the base and weather scenario consumption quantities; and, WB and WS the corresponding weather variable values, i.e., WS = (1.1)WB, the arc elasticities calculated as:

 

 

In the tables below, for NEMS, for each region and nationally, the elasticity reported is the average for the period 2010-2015. For RSTEM, the value given is the average of the monthly elasticities for the year 2008.

 

 Residential Sector Electricity Consumption

 

Region

NEMS

HDD Elasticity

RSTEM

HDD Elasticity

NEMS

CDD Elasticity

RSTEM

CDD Elasticity

NEC

.0625

.1995

.0389

.0424 

MAC

.0929

.1526

.067

.131 

ENC

.0807

.316 

.0863

.1906 

WNC

.0878

.138

.0998

.1242  

SAC

.0822 

.201

.1782

.2216 

ESC

.118

.174

.1495

.1261

WSC

  .0703

.1526

.2032

.3085 

MTN

.0701  

.0437

.1001

N/A

PAC

.1009

.1163

.044

N/A

National

Average

 

.085

 

.183

 

.1267

 

.1754

 

 Residential Sector Natural Gas Consumption

 

Region

NEMS

HDD Elasticity

RSTEM

HDD Elasticity

NEMS

CDD Elasticity

RSTEM

CDD Elasticity

NEC

.646

1.002

nil

N/A

MAC

.6137

.7936

nil

N/A

ENC

.6242

1.7758 

nil

N/A

WNC

.5934

  .8561  

nil

N/A

SAC

.4974

.7169 

nil

N/A

ESC

.5761

.8772 

nil

N/A

WSC

.3797

.5581

nil

N/A

MTN

.532

.8147

nil

N/A

PAC

.4768

.5589

nil

N/A

National

Average

 

.5632

 

1.268373

 

nil

 

N/A

 

Commercial Sector Electricity Consumption

 

Region

NEMS

HDD Elasticity

RSTEM

HDD Elasticity

NEMS

CDD Elasticity

RSTEM

CDD Elasticity

NEC

  .0337 

.0261

.0792 

.0108

MAC

  .0522

.0607

.0977

.0388 

ENC

  .0456

.0907

.0962

.0307

WNC

.0388 

.0294

.0872

.1135

SAC

.0376 

.0206

.1571

  .0748

ESC

.0343

.1373

.1179  

.5946 

WSC

.0257

.0468

.1637

-.1204(!)

MTN

.022

.0114 

.1028

.0871

PAC

.039

N/A

.0819

.7944

National

Average

 

.0376

 

.0448

 

.1181

 

.2276

 

 Commercial Sector Natural Gas Consumption

 

Region

NEMS

HDD Elasticity

RSTEM

HDD Elasticity

NEMS

CDD Elasticity

RSTEM

CDD Elasticity

NEC

.4809

.5305

.017

N/A

MAC

.5217

.2774

.0079 

N/A

ENC

.5423 

.4878

.0026

N/A

WNC

.4903

.4359

.0008 

N/A

SAC

.3111

.2787

.0299

N/A

ESC

.4288

.4318

  .0138

N/A

WSC

.3077

.1709

.0079

N/A

MTN

.5806

.3527

.0135

N/A

PAC

.2639

.1726

  .0065

N/A

National

Average

 

.4455

 

.4915

 

.0098

 

N/A

 

National Level Elasticity Ratio (RSTEM/NEMS)

Fuel Demand

HDD Elasticity

CDD Elasticity

Residential Sector Natural Gas

2.25

N/A

Residential Sector Electricity

2.15

1.38

Commercial Sector Natural  Gas

1.10

N/A

Commercial Sector Electricity

1.19

1.93