Austin Water Conservation Commercial / Multifamily Rebates AAFAME Luncheon November 14, 2017

Transcription

1 Austin Water Conservation Commercial / Multifamily Rebates AAFAME Luncheon November 14, 2017 Cate Jones Conservation Program Associate Austin Water Conservation Division City of Austin

2 Bucks for Business Rebate $100,000 maximum rebate per eligible project $0.50/1,000 gallons saved over ten-year lifetime or 50% of equipment costs, whichever is less Examples of eligible projects: Reuse of high quality rinse water used in the high tech industry Laundry water use reduction (e.g., ozone treatment, water recycling) New equipment and processes that reduce or replace amount of potable water used for cooling towers 2

3 Water Efficiency Audit Rebate 75% of audit cost, up to a maximum of $5,000 Must have annual water use of 100,000 gallons or more Must commit to fixing controllable leaks and adjusting equipment settings to qualify 3

4 Irrigation System Upgrade Rebate Central Computer Irrigation Controller System 50% of equipment cost for each station, up to $50 / station; $5,000 maximum per property Flow Sensors $300 each Converting all nozzles in a station Spray to multi-stream, multi-trajectory nozzles; $4/ nozzle Master Valves $100 each on systems installed before Jan. 1,

5 Central Irrigation Controllers Makes following City watering restrictions easier Avoids travel time and costs by controlling irrigation from your office computer or mobile device Allows for easier and more frequent seasonal scheduling adjustments Helps quickly detect and stop leaks by monitoring water flows Reduces over-watering by automatically adjusting watering times based on rainfall or soil moisture 5

6 Auxiliary Water Programs Rainwater Harvesting Rebate Up to $5,000 per site $0.50 (non-pressurized) or $1.00 (pressurized) per gallon Reclaimed Water $1.99/1000 gallons (versus $ $6.57/1000 gal. potable water for commercial customers) 6

7 Rebate Process Summary AWU has a rebate for almost every kind of water saving device and equipment Must be an AWU customer to qualify Must exceed code requirements Rebate goes to AWU customer/account holder Incentive programs application must be submitted before purchase Larger rebate programs require pre- and post installment inspections Rebates are taxable income customer s W-9 is required Invoices must be marked paid Do not leave money on the table AE and Texas Gas rebates Do ROI based on water, wastewater, energy and operational savings 7

8 Cooling Tower Requirements Registration with AW Annual Inspections Forms available Nov. 15 th on website First report due March 1, 2018 New cooling tower of 100 tons or greater combined capacity Connection to CEMS or UMD Blow down water reuse or makeup water offset 8

9 Evaporative Loss Credit Program Reduce monthly wastewater bills for the amount of evaporated water from cooling towers that is not returned to the wastewater system Program managed by Consumer Services Division (TAPS) Application available online

10 Water Efficient Alternatives Air cooled systems for <300 tons Hybrid towers and/or geothermal (ground coil) heat pump units Variable Refrigerant Volume systems Combined heat and power systems using desiccant systems for HVAC dehumidification 10

11 AC Condensate Recovery New commercial and multifamily facilities with a combined cooling capacity of > 200 tons [310.10, local amendment to 2015 UMC] Rebates on retrofit projects to recover and use AC condensate can receive up to $100,000 Bucks for Business Rebate application To be eligible, facilities must have been constructed before September 6,

12 Potential uses of AC Condensate Cooling tower makeup water Irrigation Ornamental water features Vehicle washing Manufacturing processes Toilet flushing Fire or dust suppression 12

13 Cate Jones Conservation Program Associate (512)

14 BAE Reclaimed Cooling Water Reclaimed water retrofit and water treatment system for two chilling stations Saved 10 million gallons per year in potable water Increased cycles of concentration to over 40 cycles Investment $120,000 Annual water cost savings of $65,000 Payback period of two years Total rebate amount over $21,

15 Applied Materials Recycles over 6 million gallons per year of manufacture process water for cooling tower makeup and other nonpotable water uses Average daily potable water savings of 16,440 gallons Annual water and wastewater cost savings of $84,000 Equipment costs: $85,600 Rebate: $29,000 Payback period less than one year 15

16 SFA Intercontinental Hotel Ozone Treatment Laundry System Laundry water use dropped by 35% Peak daily savings over 3,200 gallons Annual water and wastewater cost savings of $18,250 Decreased use of chemicals Increased life of linens Total rebate amount $5,844 Investment $22,000 Payback period less than one year 16

17 UT Austin Irrigation system Dashboard Irrigation system efficiency upgrades 66% water use reduction million gallons saved annually Extensive reclaimed water use 17