Geothermal Collaborative Summit Transmission Session June 9, 2005 Ronald Davis Davis Power Consultants
Dec 25, 2015
Geothermal Collaborative Summit
Transmission SessionJune 9, 2005
Ronald DavisDavis Power Consultants
Strategic Value Assessment
• SVA is a methodology for evaluating renewable technology benefits– Assess renewable technology resource potential for
meeting RPS goals– Identify key focus areas– Evaluate economics and timeframe– Evaluate points of interconnection– Consider solutions with environmental, economic and
non-energy benefits– Provide solutions that can defer transmission
upgrades and reduce transmission congestion– Prioritize renewable implementation and transmission
infrastructure needs
Strategic Value Analysis Approach
Geothermal Technical Potential
Statewide technical
potential over 3800 MW
GeothermEx’s Resource
Assessment of Generating
Capacities of Major Geothermal
Resource Areas in MW
LEGEND
Minimum Most LikelyIncremental Incremental Minimum Most Likely Total Total0 100
LasVegas
Reno
Geothermal project
(no operatingGeothermal prospect
(with operating
PRP REGIONAL BASE MAY03.DWG
MILES
power plant)
power plant)
590 / 1,6301,100 / 2,140
230 / 450 1,230 / 1,450
170 / 450170 / 450
Imperial Valley:
Geysers Area:
Medicine Lake:
340 / 850510 / 1,030
Greater Reno:
680 / 1,9401,250 / 2,510
HVDC Area Total:
1,000 / 2,570 2,510 / 4,080
Non-HVDC Area Total:
2017 Projected WTLR Locations
MARIPOSA
MADERA
FRESNO
MERCED
TULARE
KINGS
MONTERREY
SAN BENITO
SANTA CLARASANTA CRUZ
INYO
MONO
STANISLAUS
PWR 1PWR 1
PWR 1
TOULUMNE
ALPINE
CALAVERAS
AMADOR
EL DORADO
SAN MATEO
ALAMEDA
MARIN
CONTRA COSTA
SAN JOAQUIN
SACRAMENTO
YONO
SOLANO
NAPA
SONOMA
LAKE
MENDOCHINO
COLUSA
SUTTER
BUTTEGLENN
PLACER
NEVADA
SIERRA
YUBA
PLUMAS
TEHAMA
TRIMITY
HUMBOLDT SHASTA
LASSEN
MODOC
SISKIYOU
DEL NORTE
SAN LUIS OBISPO
KERN
SANTA BARBARA
VENTURA
LOS ANGELES
SAN BERNARDINO
RIVERSIDE
IMPERIAL
SAN DIEGO
ORANGE
Projected Hot Spots vs Geothermal Potential
Detail on The Geysers
Detail on Imperial County Area
Transmission Questions
• How do we get utilities and developers to provide technical and location data?
• How can we evaluate potential geothermal areas without infringing on confidentially?
• How can we best address California transmission issues with geothermal development?
• How can we get all parties to participate and incorporate this new methodology into their analysis?