darien crimmin vp energy & sustainability · darien crimmin vp energy & sustainability 1....
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Darien CrimminVP Energy & Sustainability
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Solar Pricing –Cost per watt
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Dramatic reduction in pricing is driving growth
• 2008 – Winn Solar (820 kW)$7.19/watt (construction); $9.05/watt (TDC)
• 2012 – Winn Solar II (293 kW)$3.72/watt (construction); $4.80/watt (TDC)
• 2014 – Winn Solar 3 (479 kW)$2.99/watt (construction); $4.10/watt (TDC)
• 2017 – Winn Solar DC (651 kW)$1.95/watt (construction); $3.15/watt (TDC)
Solar Pricing –SRECS
Winn Solar
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Winn has installed over 2 Megawatt of rooftop solar, and subscribes to over 10 MW of Community Solar§ Landlord owned solar § 3rd Party owned solar via Roof Leases, Power
Purchase and Net Metering Credit Agreements § Off site Virtual Net Metering / Community Solar
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Only 20% of roofs are good candidates
§ Orientation§ Site Shading§ Roof Age§ Structural engineering§ Interconnection restrictions§ Insurance restrictions§ Other Equipment
Also - Efficiency First!
Behind the Meter
Behind the Meter
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Source: Solect
Virtual Net Metering aka Community Solar
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What?• Subscriptions purchase Net Metering Credits to match
load• Credits transferred from host to Subscriber
• Reduce subscribers utility electric bill• Not buying electricity; Not tax credits
Where? • Offsite facility – Can be rooftop or ground mounted
Who owns solar asset?• 3rd party solar developer who leases or owns land,
designs, finances and constructs ground or roof mounted system with stand alone meter.
• Developer may be different from long-term owner
Virtual Net Metering aka Community Solar
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Community Solar example
Historic Costs (if no NMC)
NMC Transferred to Property
Projected payments for
credits
Remaining Payments to
Utility
Projected Payments Total
Credit Bank
Jan 27,754.15$ 12,516.01$ 10,638.61$ 15,238.14$ 25,876.75$ Feb 26,778.94$ 16,285.51$ 13,842.68$ 10,493.44$ 24,336.12$ Mar 22,839.22$ 21,175.41$ 17,999.10$ 1,663.81$ 19,662.91$ Apr 22,015.82$ 23,511.97$ 19,985.18$ -$ 19,985.18$ (1,496.15)$ May 19,646.16$ 28,325.39$ 24,076.58$ -$ 24,076.58$ (10,175.38)$ Jun 23,673.17$ 27,270.32$ 23,179.77$ -$ 23,179.77$ (13,772.54)$ Jul 23,508.52$ 29,442.26$ 25,025.92$ -$ 25,025.92$ (19,706.28)$ Aug 31,503.50$ 27,210.05$ 23,128.54$ -$ 23,128.54$ (15,412.83)$ Sep 33,752.60$ 22,548.32$ 19,166.08$ -$ 19,166.08$ (4,208.55)$ Oct 22,354.64$ 17,922.57$ 15,234.18$ 223.52$ 15,457.70$ Nov 18,856.44$ 12,504.11$ 10,628.49$ 6,352.33$ 16,980.82$ Dec 22,666.44$ 10,922.77$ 9,284.35$ 11,743.67$ 21,028.03$ Total 295,349.59$ 249,634.69$ 212,189.49$ 45,714.90$ 257,904.39$
Savings 37,445.20$
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Portfolio Savings via Community Solar
Property Solar FacilityNMC Allocated (Estimated)
Payment Owed for NMC
Estimated Savings
Aparments at Boott Mills Hubbardston 83,649$ 71,102$ 12,547$ Waterfront Lofts Hubbardston 92,217$ 78,384$ 13,833$ Curtain Lofts East Bridgewater 33,998$ 27,198$ 6,800$ Loft Five50 Loft Five50, Boott Mills 59,313$ 53,381$ 5,931$ Voke Lofts Canal Lofts 19,902$ 17,911$ 1,990$ Whalers Place Fairhaven 57,117$ 48,550$ 8,568$ Manomet Place Fairhaven, Onset 74,068$ 62,958$ 11,110$ Pequot Highlands Beverly 225,064$ 191,305$ 33,760$ Whalers Cove Onset 131,959$ 112,165$ 19,794$ Nazing Court Dedham 59,040$ 50,184$ 8,856$ Village at Brookline Dedham 148,384$ 126,127$ 22,258$ Oliver Lofts Dedham 22,467$ 19,097$ 3,370$ Castle Square Dedham 31,349$ 26,646$ 4,702$ Museum Park Lenox 44,888$ 38,154$ 6,733$ Eastbrook Apartments Lenox 14,963$ 12,718$ 2,244$ Coes Pond Shirley 58,844$ 50,017$ 8,827$ Wellington Shirley 30,759$ 26,145$ 4,614$ Sitkowski School Shirley 60,181$ 51,154$ 9,027$ Voke Lofts Shirley 42,796$ 36,376$ 6,419$ Counting House Lofts Shirley 32,097$ 27,282$ 4,815$ Canal Lofts Shirley 37,446$ 31,829$ 5,617$ Loft Five50 II Ayer 37,840$ 32,164$ 5,676$ Allen Park I Gil 116,327$ 98,878$ 17,449$ Allen Park II GIl 71,297$ 60,603$ 10,695$
Total 1,585,965$ 1,350,331$ 235,634$
Future Forecast
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Source: GTM Research
Future scenarios under trade case
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Winn Solar