8f99f6535e
- Add 7 new grid regions (BPA, DUKE, SOCO, TVA, FPC, WAPA, NWMT) to cover entire continental US - Expand datacenters from 108 to 292 facilities across 39 operators - Add EIA power plant pipeline: download script, 3,546 plants >= 50 MW with diamond map markers - Rewrite backfill script for 10-year data (2015-07-01) with quarterly/monthly chunking, 3-region parallelism, resumability - Add materialized views (daily/weekly) with server-side granularity selection for chart performance - Fix map UX: z-index tooltips, disable POI clicks, move legend via MapControl
67 lines
2.1 KiB
SQL
67 lines
2.1 KiB
SQL
-- Daily aggregation of electricity prices + demand
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CREATE MATERIALIZED VIEW electricity_prices_daily AS
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SELECT
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region_id,
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date_trunc('day', timestamp) AS day,
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AVG(price_mwh) AS avg_price,
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MAX(price_mwh) AS max_price,
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MIN(price_mwh) AS min_price,
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AVG(demand_mw) AS avg_demand,
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MAX(demand_mw) AS peak_demand
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FROM electricity_prices
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GROUP BY region_id, date_trunc('day', timestamp);
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CREATE UNIQUE INDEX electricity_prices_daily_region_day
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ON electricity_prices_daily (region_id, day);
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-- Weekly aggregation of electricity prices + demand
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CREATE MATERIALIZED VIEW electricity_prices_weekly AS
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SELECT
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region_id,
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date_trunc('week', timestamp) AS week,
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AVG(price_mwh) AS avg_price,
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MAX(price_mwh) AS max_price,
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MIN(price_mwh) AS min_price,
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AVG(demand_mw) AS avg_demand,
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MAX(demand_mw) AS peak_demand
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FROM electricity_prices
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GROUP BY region_id, date_trunc('week', timestamp);
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CREATE UNIQUE INDEX electricity_prices_weekly_region_week
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ON electricity_prices_weekly (region_id, week);
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-- Daily aggregation of generation mix
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CREATE MATERIALIZED VIEW generation_mix_daily AS
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SELECT
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region_id,
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fuel_type,
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date_trunc('day', timestamp) AS day,
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AVG(generation_mw) AS avg_generation,
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MAX(generation_mw) AS peak_generation
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FROM generation_mix
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GROUP BY region_id, fuel_type, date_trunc('day', timestamp);
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CREATE UNIQUE INDEX generation_mix_daily_region_fuel_day
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ON generation_mix_daily (region_id, fuel_type, day);
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-- Weekly aggregation of generation mix
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CREATE MATERIALIZED VIEW generation_mix_weekly AS
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SELECT
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region_id,
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fuel_type,
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date_trunc('week', timestamp) AS week,
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AVG(generation_mw) AS avg_generation,
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MAX(generation_mw) AS peak_generation
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FROM generation_mix
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GROUP BY region_id, fuel_type, date_trunc('week', timestamp);
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CREATE UNIQUE INDEX generation_mix_weekly_region_fuel_week
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ON generation_mix_weekly (region_id, fuel_type, week);
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-- BRIN index for time-series range scans on large tables
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CREATE INDEX electricity_prices_timestamp_brin
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ON electricity_prices USING brin (timestamp);
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CREATE INDEX generation_mix_timestamp_brin
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ON generation_mix USING brin (timestamp);
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