Nexant - Energy Efficiency Delivery Confidential November, 2015 Brief Overview of Nexant Services and Introduction of SCE ERCx

Nexant - Energy Efficiency Delivery

Confidential

November, 2015

Brief Overview of Nexant

Services and Introduction of

SCE ERCx

Confidential

Nexant Overview– Global Presence

– Major Clients

– Current Offerings in California

SCE Enhance RCx Program– Overview

– Retrocommissioning Refresher

– ERCx vs Traditional RCx

– Data Analytics

– Fault Detection and Diagnostics (FDD)

– Program Benefits

– AutoDR

– How it Works

– Eligibility and Signing Customers

Outline

Enhanced RCx 2

Confidential

• Founded on January 1, 2000

• Headquartered in San Francisco, California – 32 offices located throughout the United States, Europe, the

Middle East, Africa, and Asia

• Leader in the innovative strategy and planning,

design, implementation, and evaluation of many of

the largest commercial, industrial, and residential

DSM and energy efficiency programs in North

America– Senior engineers and consultants have been advising

planners, portfolio managers and implementing utility programs to reduce energy consumption for more than two decades

• Independent provider of intelligent grid software and

clean energy solutions and best-in-class energy

enterprise software

Nexant Overview

www.nexant.com

3Enhanced RCx

ConfidentialEnhanced RCx

Expertise across the globe

AtlantaBostonBoulderChandlerChicagoDes MoinesHoustonJacksonvilleLos AngelesMadisonNashville PhiladelphiaPortlandRaleighSacramentoSalt Lake CitySan FranciscoSan MateoWashington D.C.White Plains

Toronto

San Francisco

LondonUtrechtFrankfurt

BahrainCairo

CotonouAbuja

BeijingKuala LumpurNew DelhiSeoulTokyo

ShanghaiBangkokSingapore

Global Offices

Headquarters

Project Offices

Representative Offices

Planned 2014 Offices

energy industry and software specialists,

many recognized as industry experts600+

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Confidential 5

A diverse customer base

UtilitiesEnergy

CompaniesTransmission &

DistributionFinancial &

Private Equity Government

And many more…

Confidential

PG&E

– Refinery Energy Efficiency Program (REEP)

– Industrial Retrocommissioning Program (IRCx)

– Tribal Casinos

– Enhanced RCx Program (Schools and Municipals)

– Technical support for Retrofit, New Construction, RCx and audit program for PG&E

SCE

– Refinery Energy Efficiency Program (REEP)

– Chemical Products Energy efficiency Program (CPEP)

– Enhanced RCx Program

– Technical Coordinator for Automated Demand Response

SCG

– Engineering Support

SMUD

– Prop 39 Support

LADWP

– Energy Efficiency Technology Assistance Program

Current Offerings in CA

Enhanced RCx 6

Confidential

Third-party program administered by Nexant

Promotes tighter building operation practices

Utilization of Data Analytics and/ or real-time Fault Detection and Diagnostics

(FD&D) i.e. next generation monitoring

Program focus is on large commercial buildings (e.g. offices, hospitals, data

centers), and industrial facilities with an operational Energy Management

System (EMS) and an interval meter

Identification of measures through combination of analytics and onsite

investigation at no direct cost

Customer support and technical assistance during the implementation phase

Detailed M&V for the quantification of final savings and incentives

SCE Enhance Retrocommissioning Program - Overview

Enhanced RCx 7

Confidential

Lawrence Berkeley Labs studied 60 buildings of different types that showed:

Over 50% had control problems

40% had HVAC equipment problems

15% had missing equipment

25% had BAS with economizers, VFDs, and advanced applications that were

simply not operating correctly.

Source: Assoc. of State Energy Research Technology Internships and US Department of Energy

Why is Retro-Commissioning Important?

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Retro-commissioning combines commissioning practices with optimization

practices for existing buildings/ facilities: existing equipment, systems and

controls

Operations typically “drift” away from normal operations decreasing efficiency

and increasing energy costs.

Deficiencies can be identified and addressed through site inspection/ testing

and trend data analysis.

New control technologies can be installed and programmed to further optimize

performance and efficiency.

Retro-Commissioning Refresher

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Confidential

Energy savings measure examples:

HVAC scheduling Chiller Lockout

Variable Speed Drives Chilled Water Temp

Reset

Static Pressure Reset Condenser Water Temp

Reset

OA Economizer Hot Water Temp

Reset

Supply Air Temp Reset Pump Control

CHWV/HWV Repair Air Compressor VFD/ Controls

Refrigeration VFD Controls Lighting scheduling

Retro-Commissioning Refresher – contd.

Enhanced RCx 10

Confidential

Enhanced RCx maintains energy efficiency over time

with the use of Data Analytics and/or FD&D!

ERCx vs. Traditional RCx

Enhanced RCx

-0.5 0 0.5 1 1.50

200,000

400,000

600,000

800,000

1,000,000RCx

ERCx

Years from time of install

kWh

Upon completion of RCx, operations drift increasing energy use to baseline conditions

With an Enhanced RCx solution, energy efficiency is persistent!

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Confidential

A useful screening tool that

provides high level look at the

facility, electric consumption and

demand profiles.

Also used to ensure appropriate

monitoring and energy efficiency

Data Analytics

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Confidential

Data Analytics

Enhanced RCx 13

Confidential

Retro-commissioning combines

commissioning practices with optimization

practices for existing buildings/ facilities:

existing equipment, systems and controls

FD&D software in conjunction with existing

DDC controls can monitor and identify

improper operations that affect energy use

and costs.

By the use of “Rules”, FD&D

is programmed to determine

when a system is not operating

correctly, identify what needs to

be corrected, and what the impact

of an issue is.

Fault Detection & Diagnostics (FD&D)

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15Enhanced RCx

Confidential

Retro-commissioning combines commissioning practices with optimization

practices for existing buildings/ facilities: existing equipment, systems and

controls

Identification of energy saving measures for HVAC, lighting & controls

– The RCx process is accelerated via the use of FD&D or Data Analytics with

deeper implemented savings.

Incentives: (up to 50% of measure cost)

– Advanced lighting measures $0.03/kWh

– Non-lighting measures $0.08/kWh

– Advanced non-lighting measures $0.15/kWh

– Peak demand reduction $150/kW

The ability to maintain ongoing savings and operation visibility

Program Benefits

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For new EMS, Automated Demand Response (ADR) functionality is an add-

on module.

Available from multiple vendors and can be a combined with the FDD.

Incentives available to complete an Auto DR technical study and an

available $300 per kW up to 100% of installed cost.

Auto DR, A Complimentary Offering

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Confidential

Scope the facility Review interval data & walk the facility. Is there ample opportunity?

Investigate the facility Detailed data driven investigation at no cost to the customer Identify ERCx measures and provide feasibility report with energy and cost savings.

Implement selected ERCx measures Save energy, energy costs and earn incentives.

Verify savings M&V makes sure you are saving energy and money.

Incentives are paid out to customers.

Maintain energy savings FDD real time data provide visibility and alerts to operators OR Utilize periodic reports from interval meter analysis for identifying high-level issues

How It Works

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Confidential

SCE customers committed to implementing energy

savings measures

Large commercial and industrial facilities with of

100,000 square feet or larger

Similar facility types that could benefit from HVAC

and lighting control based measures.

Preferably sites with an existing DDC Building

Automation System

Eligibility and Signing Customers

Enhanced RCx 19

Confidential 20

Visit us at www.enhancedrcx.com

Enhanced RCx

Confidential

Chase Kadakia, ERCx Program Manager

909.248.6789

[email protected]

Waqar Mustafa, ERCx Outreach Manager

916.478.0057

[email protected]

Program Contacts

Enhanced RCx 21

mailto:[email protected]

mailto:[email protected]

Confidential

Questions

Enhanced RCx 22

Shared Services GroupSite Services

Southwest Utilities and Conservation

Copyright © 2013 Boeing. All rights reserved.

Southwest RegionRetro-commissioning Project

November 5th, 2015

Shared Services Group | Site Services | Southwest Utilities and Conservation


SCE & SCG Retro-commissioning Programs

Study Phase

– Perform trend based analysis and site survey

– Develop recommendations, savings calculations, cost estimates ROI calculations and available incentives.

– Submit feasibility study (PFS) for review and approval (SCE, So Cal Gas Lincus, CPUC)

Project Implementation Phase

– Sites analyze and prioritize recommendations

– Develop implementation plan including funding and potential incentives

– Identify root causes and implement measures

Measurement and Verification Phase

– Additional trending and analysis

– Site inspection

– Submit Implementation report (IR) for review and approval (SCE, So Cal Gas, Lincus, CPUC) 24

Shared Services Group | Site Services | Southwest Infrastructure Engineering


Commissioning impacts performance

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• Does not meet design performance • Issues will impact performance for

the life of the system • Many customer complaints /

continuous tinkering• Manual operation shortly after

installation• High operating cost /

environmental impact

• Meets design performance • Efficient , sustainable

performance• Comfortable and productive work

environment • lower maintenance costs• Lower operating cost /

environmental impact • longer equipment life

No Commissioning Continuous Commissioning

Retro Commissioning

Initial Commissioning

Customer Satisfaction / System Efficiency



Benefits and Risks

Benefits

Validates current building requirements

Identifies energy saving opportunities

Reduces operating and maintenance costs

Risks Potential savings will not be realized if projects are not implemented properly

How can we mitigate risk? Use consultant (3rd party) to verify that recommendations are implemented

properly.

Implement continuous commissioning (sustainment) to insure that savings do not evaporate over time (Drift).

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Efficiency Drift in Buildings

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Drift Drift

Mini retro-commissioning effort



Site Efficiency Drift Year to Year

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Drift



Major root cause – excessive Chilled water flow resulting in lower Delta T

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Findings and results to date

Many common opportunities at all sites Significant simultaneous heating and cooling

Reduce run hours of equipment

Fix and optimize economizer cycles (free cooling)

In many cases HVAC systems are not modified to accommodate changes in occupancy

Optimize control sequences

–Supply air temp and static pressure reset

– Chiller condenser water temperature reset

–Dehumidification / humidification

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Examples were extracted from installation reports with these qualifications

Life cycle assumes 12 years

Examples were “cherry picked” – average overall simple payback for all measures to date is approximately 11 weeks

Cost to correct measures includes a 50% reduction due to the programs financial incentives

Only electricity costs are factored into the savings. Maintenance, longer equipment life and natural gas savings are not included.

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Equipment Running Continuously

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Root causes – schedule overridden, not linked to schedule, schedule priority too low (shown)

When inefficiencies occurred – project implementation (shown), operationsLife cycle cost – $17,555Cost to correct – $25ROI – 6 days



Dehumidification sequence in-efficiencies

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When inefficiency occurred – design and implementationLife cycle cost – $64,983 Cost to correct – $113ROI - 1 week



Inefficiencies due to changes in occupancies

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Root cause – HVAC systems not modified to address changes in occupancy.In this case large warehouse w/ humidify control 24/7

When inefficiency occurred – Change in occupancyLife cycle cost – $148,624 Cost to correct – $260ROI - 1 week



Simultaneous Heating and Cooling

Root causes – No supply air temp reset programming in place or if in place not working efficiently, min CFM set points too high, boxes out of calibration, VAV seals leaking by, bad VAV controllers or actuators

35

When inefficiencies occurred – Design, implementation (shown) and operations Life cycle cost – $42,193Cost to correct – $115ROI – 12 days



Results - Electricity Use in kWh

36

Measures Implemented



Results – Natural Gas Usage in Therms

BOEING PROPRIETARY 37

Drift

Corrected



Results – Central Plant heat generation in BTU’s

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Results – 93.6 % Reduction in Trouble Calls

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Moving forward

Insure new systems are commissioned and optimized

Provide tools and processes to implement continuous commissioning – Pilot program for Data Analytics and Fault Detection and Diagnostics

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Cx

Baseline &Monitor CCx

RCx

Shared Services GroupSite Services

Southwest Utilities and Conservation


BACKUP

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Copyright © 2013 Boeing. All rights reserved. 42

Commissioning Cycles

New Asset Commissioning (Cx)Formal process for planning, implementing and verifying the construction and operation of a facility according to design intent and user requirements.

Retro-Commissioning (RCx)Asset commissioning for systems not previously commissioned

Continuous-Commissioning (CCx)Use of Baseline & Monitoring data to perform commissioning improvements on an on-going basis. (Desired future state)

Cx

Baseline &

MonitorCCx

RCx

Includes documentation of facility and training of operating and maintenance personnel. (PI DTP 218 New Construction and Renovation Commissioning and Documentation)



Initial Installation Commissioning

Retro-Commissioning

Trending/ Monitoring

Analysis

43BOEING PROPRIETARY

Commissioning Cycle

Continuous-commissioning

New BuildingNew Equipment or SystemMajor Retrofit


Copyright © 2013 Boeing. All rights reserved. 44

Benefits of Commissioning

Commissioning (Cx) Retro-Commissioning (RCx) Continuous Commissioning (CCx)

Reduces rework

Assures operation as-designed

Assures we get what we pay for

Lets our contractors know we are checking their work


System not previously Cx’d

Validates current building requirements

Assures efficient operation

Helps identify opportunities not previously known


Establishes system/ equipment baselines

Monitors operation to baseline for real-time situational awareness

Enables fast reaction to operational problems

Ability to tie-in Condition Based Maintenance

Sustains-the-gains from Cx & RCx


Documents

Nexant - Energy Efficiency Delivery Confidential November, 2015 Brief Overview of Nexant Services and Introduction of SCE ERCx