Fair Compensation for 
Distributed Solar Generation 
Jason Keyes 
Keyes, Fox & Wiedman LLP 
October 21, 2014 
www.irecusa.org 
@IRECUSA 
#3iForum
Photovoltaics Installations and Pricing 
Source: GTM Research/SEIA, U.S. Solar Market Insight®, 2013 Year-In-Review
DC 
Net Metering Program Caps 
(percent of utility peak demand) 
< 
1 
% 
< 
3 
% 
< 
5 
% 
≥5% 
Unlimited
2014 Net Metering Grades 
(www.freeingthegrid.org) 
DC 
A B C D F N/A
Valuation Highlights 
• Energy value 
• Capacity value 
• Line losses 
• Utility environmental
Valuation Highlights, cont’d 
• Ancillary benefits 
• Market price impacts 
• Societal benefits 
• Costs
AEE/Synapse Benefit-Cost Report 
• Discussion 
of 
Societal 
Benefits/Costs 
• Various 
Cost 
Tests 
• Screening 
and 
Decision 
Analysis 
Templates, 
ValuaDon 
OpDons 
checklist
IREC’s Regulator’s Guidebook 
Distributed Solar: 
• Primarily offsets combined-cycle 
natural gas facilities 
• Should be credited with a 
capacity value upon 
interconnection 
• Should include societal 
benefits
Addressing the “Duck Curve”: TOU rates, demand 
response, and storage 
Credit: CAIISO’s Building a Sustainable 
Energy Future: 2014-16 Strategic Plan
Avoided capacity costs
Hourly Loads for CA IOUs on 9/16/14 
(and what they would have been without NEM solar) 
25000 
20000 
15000 
10000 
5000 
0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
SCE 
PG&E 
SDG&E 
Solar
Cumulative Loads for CA IOUs on 9/16/14 
50000 
45000 
40000 
35000 
30000 
25000 
20000 
15000 
10000 
5000 
0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
SCE 
PG&E 
Solar 
Capacity 
SDG&E
PV narrows the peak, which could ease the ability of 
demand response, storage, etc. to provide capacity 
60,000 
50,000 
40,000 
MW) 
(Generation 30,000 
20,000 
10,000 
0 
PV Penetration and Hour 0% 2% 6% 10% 
PV 
CT 
PS 
Hydro 
CC 
Imports 
Coal 
Nuclear 
Wind 
Geo 
Base 2% 6% 10% 
(no PV) 
Source: 
NREL
NV: 
PUC 
docket 
13-­‐07010, 
E3 
developed 
study 
proving 
NEM’s 
benefit 
to 
grid 
VT: 
2012 
legislaDon 
directed 
the 
V 
PSB 
to 
complete 
an 
evaluaDon 
of 
NEM 
MN: 
2013 
legislaDon 
required 
development 
of 
a 
VOST, 
methodology 
complete 
CA: 
2012 
legislaDon 
required 
a 
CPUC 
study 
of 
costs 
and 
benefits 
of 
NEM; 
LADWP 
considering 
VOS 
approach 
AZ: 
ACC 
workshops 
to 
develop 
methodology. 
MulDple 
studies 
to 
date 
CO: 
PUC 
considering 
Xcel 
cost/benefit 
study 
of 
NEM 
TX: 
AusDn 
Energy 
developed 
a 
VOST 
in 
2012; 
San 
Antonio’s 
CPS 
will 
be 
replacing 
NEM 
with 
a 
SunCredit 
tariff 
NC: 
In 
docket 
No. 
E-­‐100 
Sub 
136, 
NCUC 
is 
examining 
avoided 
cost 
methodology. 
PNNL 
study 
just 
released. 
SC: 
E3 
chosen 
to 
develop 
valuaDon 
methodology 
for 
PSC 
WA: 
Docket 
UE-­‐131883 
to 
discuss 
costs 
and 
benefits 
of 
DG 
LA: 
Consultant 
chosen 
to 
conduct 
benefit/cost 
study 
OR: 
PUC 
recently 
held 
a 
workshop 
to 
discuss 
solar 
rates 
in 
docket 
UM 
1452 
HI: 
NARUC 
funded 
a 
NEM 
benefit/ 
cost 
study 
from 
E3 
AL: 
Consultant 
hired 
by 
PSC 
in 
2014 
to 
study 
costs-­‐benefits 
of 
NEM 
MS: 
ValuaDon 
study 
completed 
ME: 
2014 
legislaDon 
directed 
PUC 
to 
complete 
VOS 
study 
UT: 
Defeat 
of 
proposed 
solar 
charge, 
valuaDon 
study 
forthcoming
For more information 
Jason Keyes 
jkeyes@kfwlaw.com 
irecusa.org

Fair Compensation for Distributed Solar Generation

  • 1.
    Fair Compensation for Distributed Solar Generation Jason Keyes Keyes, Fox & Wiedman LLP October 21, 2014 www.irecusa.org @IRECUSA #3iForum
  • 2.
    Photovoltaics Installations andPricing Source: GTM Research/SEIA, U.S. Solar Market Insight®, 2013 Year-In-Review
  • 3.
    DC Net MeteringProgram Caps (percent of utility peak demand) < 1 % < 3 % < 5 % ≥5% Unlimited
  • 4.
    2014 Net MeteringGrades (www.freeingthegrid.org) DC A B C D F N/A
  • 5.
    Valuation Highlights •Energy value • Capacity value • Line losses • Utility environmental
  • 6.
    Valuation Highlights, cont’d • Ancillary benefits • Market price impacts • Societal benefits • Costs
  • 7.
    AEE/Synapse Benefit-Cost Report • Discussion of Societal Benefits/Costs • Various Cost Tests • Screening and Decision Analysis Templates, ValuaDon OpDons checklist
  • 8.
    IREC’s Regulator’s Guidebook Distributed Solar: • Primarily offsets combined-cycle natural gas facilities • Should be credited with a capacity value upon interconnection • Should include societal benefits
  • 9.
    Addressing the “DuckCurve”: TOU rates, demand response, and storage Credit: CAIISO’s Building a Sustainable Energy Future: 2014-16 Strategic Plan
  • 10.
  • 11.
    Hourly Loads forCA IOUs on 9/16/14 (and what they would have been without NEM solar) 25000 20000 15000 10000 5000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 SCE PG&E SDG&E Solar
  • 12.
    Cumulative Loads forCA IOUs on 9/16/14 50000 45000 40000 35000 30000 25000 20000 15000 10000 5000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 SCE PG&E Solar Capacity SDG&E
  • 13.
    PV narrows thepeak, which could ease the ability of demand response, storage, etc. to provide capacity 60,000 50,000 40,000 MW) (Generation 30,000 20,000 10,000 0 PV Penetration and Hour 0% 2% 6% 10% PV CT PS Hydro CC Imports Coal Nuclear Wind Geo Base 2% 6% 10% (no PV) Source: NREL
  • 14.
    NV: PUC docket 13-­‐07010, E3 developed study proving NEM’s benefit to grid VT: 2012 legislaDon directed the V PSB to complete an evaluaDon of NEM MN: 2013 legislaDon required development of a VOST, methodology complete CA: 2012 legislaDon required a CPUC study of costs and benefits of NEM; LADWP considering VOS approach AZ: ACC workshops to develop methodology. MulDple studies to date CO: PUC considering Xcel cost/benefit study of NEM TX: AusDn Energy developed a VOST in 2012; San Antonio’s CPS will be replacing NEM with a SunCredit tariff NC: In docket No. E-­‐100 Sub 136, NCUC is examining avoided cost methodology. PNNL study just released. SC: E3 chosen to develop valuaDon methodology for PSC WA: Docket UE-­‐131883 to discuss costs and benefits of DG LA: Consultant chosen to conduct benefit/cost study OR: PUC recently held a workshop to discuss solar rates in docket UM 1452 HI: NARUC funded a NEM benefit/ cost study from E3 AL: Consultant hired by PSC in 2014 to study costs-­‐benefits of NEM MS: ValuaDon study completed ME: 2014 legislaDon directed PUC to complete VOS study UT: Defeat of proposed solar charge, valuaDon study forthcoming
  • 15.
    For more information Jason Keyes jkeyes@kfwlaw.com irecusa.org