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1 2024 Common Case Results Resource Adequacy. 2 The resource adequacy check is a measure of a regions ability to meet its load requirements at time of.

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Presentation on theme: "1 2024 Common Case Results Resource Adequacy. 2 The resource adequacy check is a measure of a regions ability to meet its load requirements at time of."— Presentation transcript:

1 Common Case Results Resource Adequacy

2 2 The resource adequacy check is a measure of a regions ability to meet its load requirements at time of peak using resources within each region and transmission constrained imports from neighboring regions. TEPPC uses this check to indicate if there are adequate resources in the dataset as well as a check to not over build the dataset. What and Why

3 3 Sub-regional coincident peak demand 2024 generation by area and resource type Targeted planning reserve margin On-peak coincident capacity value by resource type Transfer capacity that could be used to eliminate deficits List of Inputs

4 4 Renewable Resources o As needed to meet RPS targets Conventional Resources o WECC class code 0-2 resources  Based on resource reconciliation efforts and stakeholder feedback o OTC replacement units 2024 Generation

5 5 Both summer and winter peaks Extracted from the 2024 Common Case load forecast Sub-Regional Coincident Peak Demand Peak Load Lookup NameAZ-NM-NVBasinAlberta British Columbia CA- North CA- SouthNWPPRMPA Summer Peaks34,65215,55414,3409,03429,39743,06728,05313,465 Winter Peaks21,72412,42115,79512,29620,35727,73834,33711,202

6 6 LRS 2013 Power Supply Assessment Planning Reserve Margins Sub-RegionZones Included in Sub-RegionSummerSummer MarginWinter Margin AZ-NM-NVArizona, New Mexico, Southern Nevada13.6%14.0% BasinIdaho, Northern Nevada, Utah13.7% Alberta 12.6%13.9% British Columbia 12.6%13.9% CA-North Northern California, San Francisco, SMUD15.0%12.1% CA-South Southern California Edison, San Diego Gas & Electric, LADWP, Imperial Irrigation District15.2%11.0% NWPPPacific Northwest, Montana17.5%19.2% RMPAColorado, Wyoming15%15.9% LRS Power Supply Assessment Document

7 7 Stakeholder input from past/current study programs Current values pending SWG feedback On-Peak Capacity Value, Summer Summer - Percentage of Installed Capacity Available to Serve Load at Time of Peak Generation TypeAZ-NM-NVBasinAlberta British ColumbiaCA-NorthCA-SouthNWPPRMPA Biomass RPS100% 66%65%100% Geothermal100% 72%70%100% Small Hydro RPS35% Solar PV60% Solar CSP090%95% 72% 95% Solar CSP695% 100% 95% Wind10% 16% 5%10% Hydro70% 90% 70%95%70% Pumped Storage100% Coal100% Nuclear100% Combined Cycle95% 100%95% Combustion Turbine95% 100%95% Other Steam100% Other100% Negative Bus Load100% Dispatchable DSM100%

8 8 Based on path ratings Accounts for transmission capacity used to reassign joint ownership plants Limited so transfers do not exceed a subregion's surplus Assumed wheeling from neighboring regions only Available Transmission Capacity Between Subregions

9 9 Conventional generation added Region Gen needed after RPS additions (MW) Gen added to each region (MW) CA-SO RMPA Basin AZ-NM-NV AESO CA-NO BC (Site C)


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