SPS Energy Efficiency & Load Management Presentation to the NMPRC

September 15, 2011 Shawn White – Manager, Energy Efficiency Marketing

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SPS DSM Requirements

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EUEA Requirements

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2014 – 5% of 2005 total New Mexico retail kWh sales in 2014

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2020 – 10% of 2005 total retail kWh sales in 2020

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2005 retail sales = 3,750,469 MWh

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SPS calculates its 2014 Goal - 208.949 GWh (net generator) and 187.523 GWh (net customer)

SPS Portfolio

Residential & Low Income

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Electric Water Heating Evaporative Cooling Home Energy Services Home Lighting and Recycling Residential Low-Income Refrigerator Recycling Saver’s Switch School Education Kits Business

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Cooling Efficiency Custom Efficiency Interruptible Credit Option Large Customer – Self Direct Lighting Efficiency Motor & Drive Efficiency Small Business Lighting

Pump Off Controller

     Oil & Gas Extraction Customers Motor and Drive Efficiency Few opportunities for efficiency initially found with these customers Evaluated operations and equipment, utilized customer’s expertise Pump off controllers are used by oil producers on rod pumps to remove oil from the well in fewer cycles

Pump Off Controller

 Nine wells retrofitted with pump off controllers  Annual energy savings: 400,650 kWh  Annual peak demand reduction: 45.9 kW  Xcel Energy rebate: $10,035  Annual energy cost savings: $26,300  Targeting 5 large multi-site customers and approximately 40 mid sized customers

Pump Off Controller

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Evaluated market potential for project

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Third party evaluator M&V savings

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Researched and developed deemed savings

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Prescriptive program in 2011 DSM Filing

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Working with customers to retrofit all existing wells

Low Income Home Energy Services

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Comprehensive Evaluation of income qualified customer residences with direct install of energy efficiency measures

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401 homes retrofitted since 2010

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Open program delivered by participating contractors

Low Income Home Energy Services

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Homeowner installed:

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Attic Insulation

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Duct Sealing

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Weather stripping

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Carbon Monoxide testing included as a safety precaution in each home

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In this case dangerous levels were discovered.

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Investigation revealed leaking gas and defective water heater venting

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Repairs made. Contractor returned to ensure that homeowner was safe and home was at safe CO levels