Water Use & Efficiency Update

Finance and Information Technology Board MeetingJuly 18, 2018

0.0%

12.5%

25.0%

37.5%

50.0%

Single Family Residential Accounts Above Tier 2

-

2

4

6

8

0

400

800

1,200Ja

n-1

3

Mar

-13

May

-13

Jul-

13

Sep

-13

No

v-1

3

Jan

-14

Mar

-14

May

-14

Jul-

14

Sep

-14

No

v-1

4

Jan

-15

Mar

-15

May

-15

Jul-

15

Sep

-15

No

v-1

5

Jan

-16

Mar

-16

May

-16

Jul-

16

Sep

-16

No

v-1

6

Jan

-17

Mar

-17

May

-17

Jul-

17

Sep

-17

No

v-1

7

Jan

-18

Mar

-18

May

-18

Monthly MNWD RW Production with ETAF Inches ET

0

20

40

60

80

Total Turf Removal Applications by Month

Residential Commercial NatureScape

Applications

7-2016 8-2016 9-2016 10-2016 11-2016 12-2016 1-2017 2-2017 3-2017 4-2017 5-2017 6-2017 7-2017 8-2017 9-2017 10-2017 11-2017 12-2017 1-2018 2-2018 3-2018 4-2018 5-2018 6-2018

NatureScape 8,703 18,782 7983 6,520 10,083 1,020 3,025

Commercial 167,285 105,813 51,389 25,127 54,155 106,459 0 845 8,200 0 11,590 0 0 11,173 13,120 0 25,702 1,379 - 6,351 2,074 6,557 443,242 30,423

Residential 21,110 46,682 31,654 23,193 23,023 13,087 15,149 12,700 17,343 12,223 19,485 13,796 9,733 20,348 10,838 27,346 7,086 5,573 13,016 17,411 20,606 14,826 5,125 17,882

-

50,000

100,000

150,000

200,000

250,000

300,000

350,000

400,000

450,000

500,000

Total Turf Removal Application Size by Month

Residential Commercial NatureScape

Square Feet

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

4,000,000

4,500,000

5,000,000

5,500,0001

1-2

01

1

1-2

012

3-2

012

5-2

012

7-2

012

9-2

012

11

-20

12

1-2

013

3-2

013

5-2

013

7-2

013

9-2

013

11

-20

13

1-2

014

3-2

014

5-2

014

7-2

014

9-2

014

11

-20

14

1-2

015

3-2

015

5-2

015

7-2

015

9-2

015

11

-20

15

1-2

016

3-2

016

5-2

016

7-2

016

9-2

016

11

-20

16

1-2

017

3-2

017

5-2

017

7-2

017

9-2

017

11

-20

17

1-2

018

3-2

018

5-2

018

Total Turf RemovedSquare Feet

5,197,000

-

50

100

150

200

250

300

350

Residential Indoor Devices

HE Toilet HE Clotheswasher

$-

$10,000

$20,000

$30,000

$40,000

$50,000

$60,000

$70,000

Residential Indoor Dollars

HE Toilet HE Clotheswasher

-

20

40

60

80

100

120

140

Residential Outdoor Devices

Smart Timer Nozzles Rain Barrel Smart Timer - Direct Install

$-

$5,000

$10,000

$15,000

$20,000

$25,000

Residential Outdoor Dollars

Smart Timer Nozzles Rain Barrel Smart Timer - Direct Install

-

1

2

3

4

5

6

7

8

9

Commercial Indoor Devices

HE Toilet HE Urinals

$-

$0

$0

$0

$0

$1

$1

$1

$1

$1

$1

Commercial Indoor Dollars

HE Toilet HE Urinals

-

10

20

30

40

50

60

70

80

Commercial Outdoor Devices

Smart Timer Nozzles Rain Barrel

$-

$10,000

$20,000

$30,000

$40,000

$50,000

$60,000

$70,000

Commercial Outdoor Dollars

Smart Timer Nozzles Rain Barrel

Landscape Transformation Program

• MWD’s new turf replacement program

• Watershed approach to landscape design

• Native plants recommended

• $2 per square foot incentive

• Artificial turf allowed in MNWD program

SDG&E Low-Income Assistance Pilot Program

• One-stop shop approach

• Free high efficiency water and energy devices

• Free installation of devices

• Qualifying residential customers

SDG&E Business Solutions Pilot Program

• Targets commercial kitchens and restaurants

• Free water & energy audit

• Discount on high-efficiency water & energy devices

• SDG&E On-Bill Financing available

REBATE FUNDING LEVELS

July 11, 2018

Residential Device Rebates Parameters MWD MWDOC MNWD Total Incentive

High Efficiency Clothes Washers 85.00$ -$ 200.00$ 285.00$

Premium High Efficiency Toilets

1.06 gpf or less 40.00$ -$ -$ 40.00$

Weather Based Irrigation Controller

(Areas less than 1 acre) maximum of 2 WBICs 80.00$ -$ 150.00$ 230.00$

Soil Moisture Sensor per sensor 80.00$ -$ 150.00$ 230.00$

Rotating Nozzles minimum of 30 nozzles 2.00$ -$ 4.00$ 6.00$

Rain Barrels maximum of 2 barrels 35.00$ -$ -$ 35.00$

Cisterns tiered - caps at $350 250.00$ -$ -$ 250.00$

Non-Device Incentives Parameters MWD MWDOC MNWD Total Incentive

Turf Removal - Residential per square foot 1.00$ 0.50$ 0.50$ 2.00$

Commercial Device Rebates Parameters MWD MWDOC MNWD Total Incentive

Large Rotary Spray Nozzles per set; minimum of 8 13.00$ -$ 15.00$ 28.00$

Rotating Sprinkler Nozzles minimum of 30 2.00$ -$ 4.00$ 6.00$

Weather Based Irrigation Controller

(Areas greater 1 acre) per station 35.00$ -$ 40.00$ 75.00$

Soil Moisture Sensor per station 35.00$ -$ 40.00$ 75.00$

In-Stem Flow Regulator per regulator 1.00$ -$ -$ 1.00$

Ultra Low and Zero Water Urinal 200.00$ -$ -$ 200.00$

Connectionless Food Steamer per compartment 485.00$ -$ 500.00$ 985.00$

Air Cooled Ice Machine 1,000.00$ -$ 750.00$ 1,750.00$

Dry Vacuum Pump per 0.5 HP 125.00$ -$ -$ 125.00$

Laminar Flow Restrictor minimum of 10 10.00$ -$ -$ 10.00$

Plumbing Control Valve minimum of 10 5.00$ -$ -$ 5.00$

Cooling Tower Conductivity Controller 625.00$ -$ 600.00$ 1,225.00$

Cooling Tower pH Controller 1,750.00$ -$ 1,000.00$ 2,750.00$

Non-Device Incentives Parameters MWD MWDOC MNWD Total Incentive

Turf Removal - Commercial per square foot -$ -$ 2.00$ 2.00$

Spray to Drip - Commercial per square foot 0.20$ -$ 0.20$ 0.40$

Water Savings Incentive Program contact Water Efficiency 0.60$ 0.60$ 1.50$ 2.70$

RESIDENTIAL

COMMERCIAL