Your SlideShare is downloading. ×
Katrina phruksukarn solar thermal
Upcoming SlideShare
Loading in...5

Thanks for flagging this SlideShare!

Oops! An error has occurred.


Saving this for later?

Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime - even offline.

Text the download link to your phone

Standard text messaging rates apply

Katrina phruksukarn solar thermal


Published on

Published in: Education

  • Be the first to comment

  • Be the first to like this

No Downloads
Total Views
On Slideshare
From Embeds
Number of Embeds
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

No notes for slide


  • 1. CSI-Thermal Program & Residential SWH Projects
    Katrina Phruksukarn
  • 2. CSI-Thermal Implementation Timeline
    May 1, 2010: Started accepting single family residential applications
    October 2010: Target date for accepting multi-family and commercial applications
  • 3. CSI-Thermal: Customer Eligibility
    Gas water heating customers of PG&E, SDG&E, or SoCal Gas- Retrofit and new construction
    Electric water heating customers of PG&E, SDG&E, or SoCal Edison- Retrofitprojects only
    Propane users are NOT eligible, even if they are electric customers of the above utilities
  • 4. CSI-Thermal: Technology Eligibility
    Domestic Solar Water Heating Systems
    Not Eligible:
    Pools and Spas
    May be added to the program at a later date:
    Other solar thermal technologies (i.e. space heating and cooling)
  • 5. Incentives
    4 step declining incentive structure
    Single Family: Based on SRCC OG-300 savings
    Multifamily/Commercial (SRCC OG-100)
    Small systems: based on a TRNSYS estimator
    Large systems: based on 12 months of metered performance data
    Different incentive amounts for natural gas vs. electric displacing systems
  • 6. Natural Gas Incentives
  • 7. Electric Incentives
  • 8. Program Requirements
    SRCC certified equipment
    Permits on all projects
    Technical requirements- sizing, freeze protection, overheat protection, and metering
    Mandatory installer workshop
    Focus on QUALITY!!
  • 9. Contractor Participation:
    Must have an active A, B, C-4, C-36, or C-46 License
    License holder must attend a one day workshop
    Maintain eligibility: 3 installations per year or attend workshop annually
  • 10. Current Residential Program Status
    # of residential applications received= 50
    PG&E= 28
    CCSE/SDG&E= 18
    SoCalEdison= 2
    SoCalGas= 2
  • 11. Current Residential Program Status cont.
    Total # of residential applications paid= 33
    20 electric displacing: $979 average incentive
    13 gas displacing: $1,456 average incentive
    Number of eligible contractors = 168
  • 12. Residential SWH Projects
  • 13. Solar Water Heating Pilot Program (SWHPP)
    319 single family projects (July 2007-2010)
    Fuel Displacement:
    Electricity: 141
    Natural Gas: 115
    Propane: 63
  • 14. Residential Statistics by System Type
  • 15. Statistics Summary
    Most common system in San Diego: Indirect - Glycol
    Average price range: $5,500 - $7,000
    Average performance range:
    2100-3200 kWh
    97-141 therms
    Each system has unique characteristics, with differing pros and cons
  • 16. Energy Savings=Financial Savings
    Displacing Electricity:
    Average home uses 4,000 kWh annually for water heating (purchased from utility)
    Average SWH system saves 2,820 kWh
    4,000-2,820= 1180 kWh purchased from utility
    70% savings= 70% reduction on water heating costs
  • 17. Energy Savings=Financial Savings
    Displacing Gas:
    Average home uses 200 thermsannually for water heating (purchased from utility)
    Average SWH system saves 123 therms
    200-123= 77 thermspurchased from utility
    60% savings= 60% reduction on water heating costs
  • 18. Testimonials from your neighbors
    We installed a solar hot water heater and our December natural gas savings was 54%
    -Mark S., San Diego
    We just received our first natural gas bill after installing a solar water heater and we have reduced natural gas usage by 83% over last year –Glen B., San Diego
  • 19. Solar Water Heating Program Contact
    Katrina Phruksukarn - Program Manager