Overview

Current MISO real-time, sub-regional, and reserve constraints with shadow price and penalty-curve breakpoints. A non-zero price is direct constraint evidence; the feed does not always supply a resolvable monitored facility or contingency.

Use with MCP

This table is available through the signed-in, read-only Ask the Grid MCP server. Connect a market below, then use search_data or describe_data to load its query contract before calling query_data.

MISO MCP

Schema20

Column

Type

event_timeDateTime64(6, 'UTC')

ref_idLowCardinality(String)

constraint_typeLowCardinality(String)

nameLowCardinality(String)

periodString

priceNullable(Float64)

reasonNullable(String)

descriptionNullable(String)

overrideNullable(String)

curve_typeNullable(String)

breakpoint_1Nullable(Float64)

price_curve_1Nullable(Float64)

breakpoint_2Nullable(Float64)

price_curve_2Nullable(Float64)

breakpoint_3Nullable(Float64)

price_curve_3Nullable(Float64)

breakpoint_4Nullable(Float64)

price_curve_4Nullable(Float64)

raw_record_jsonString

ingested_atDateTime64(6, 'UTC')

Sample rows

event_time	ref_id	constraint_type	name	period	price	reason	description	override	curve_type	breakpoint_1	price_curve_1	breakpoint_2	price_curve_2	breakpoint_3	price_curve_3	breakpoint_4	price_curve_4	raw_record_json	ingested_at
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	sub_regional	None	2026-08-13T13:25:00	∅	None		None	None	0	0	0	0	0	0	0	0	{"BP1":"0","BP2":"0","BP3":"0","BP4":"0","CURVETYPE":"None","Name":"None","OVERRIDE":"None","PC1":"0","PC2":"0","PC3":"0","PC4":"0","Period":"2026-08-13T13:25:00","Price":"None","REASON":"None"}	2026-08-13 18:28:09.400687
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	real_time	Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV	2026-08-13T13:25:00	-243.08			0	PERCENT	100	1000	102	2000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV","OVERRIDE":"0","PC1":"1000","PC2":"2000","Period":"2026-08-13T13:25:00","Price":"-243.08"}	2026-08-13 18:29:08.483339
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	real_time	TVA50007_HRSBRX_HRSBRX_MARKTR5_A	2026-08-13T13:25:00	-136.63			0	PERCENT	100	1000	102	2000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"TVA50007_HRSBRX_HRSBRX_MARKTR5_A","OVERRIDE":"0","PC1":"1000","PC2":"2000","Period":"2026-08-13T13:25:00","Price":"-136.63"}	2026-08-13 18:29:08.483339
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	real_time	WEC34101_SUSSEX_36341_1	2026-08-13T13:25:00	-4.19			0	PERCENT	100	700	102	1000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"WEC34101_SUSSEX_36341_1","OVERRIDE":"0","PC1":"700","PC2":"1000","Period":"2026-08-13T13:25:00","Price":"-4.19"}	2026-08-13 18:29:08.483339
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	sub_regional	None	2026-08-13T13:25:00	∅	None		None	None	0	0	0	0	0	0	0	0	{"BP1":"0","BP2":"0","BP3":"0","BP4":"0","CURVETYPE":"None","Name":"None","OVERRIDE":"None","PC1":"0","PC2":"0","PC3":"0","PC4":"0","Period":"2026-08-13T13:25:00","Price":"None","REASON":"None"}	2026-08-13 18:29:08.483339
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	real_time	Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV	2026-08-13T13:25:00	-243.08			0	PERCENT	100	1000	102	2000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV","OVERRIDE":"0","PC1":"1000","PC2":"2000","Period":"2026-08-13T13:25:00","Price":"-243.08"}	2026-08-13 18:30:10.981043
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	real_time	TVA50007_HRSBRX_HRSBRX_MARKTR5_A	2026-08-13T13:25:00	-136.63			0	PERCENT	100	1000	102	2000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"TVA50007_HRSBRX_HRSBRX_MARKTR5_A","OVERRIDE":"0","PC1":"1000","PC2":"2000","Period":"2026-08-13T13:25:00","Price":"-136.63"}	2026-08-13 18:30:10.981043
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	real_time	WEC34101_SUSSEX_36341_1	2026-08-13T13:25:00	-4.19			0	PERCENT	100	700	102	1000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"WEC34101_SUSSEX_36341_1","OVERRIDE":"0","PC1":"700","PC2":"1000","Period":"2026-08-13T13:25:00","Price":"-4.19"}	2026-08-13 18:30:10.981043
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	reserve	None - None	2026-08-13T13:25:00	∅		None			∅	∅	∅	∅	∅	∅	∅	∅	{"Description":"None","Name":"None - None","Period":"2026-08-13T13:25:00","Price":"None"}	2026-08-13 18:30:10.981043
2026-08-13 18:25:00.000000	13-Aug-2026 - Interval 13:25 EST	sub_regional	None	2026-08-13T13:25:00	∅	None		None	None	0	0	0	0	0	0	0	0	{"BP1":"0","BP2":"0","BP3":"0","BP4":"0","CURVETYPE":"None","Name":"None","OVERRIDE":"None","PC1":"0","PC2":"0","PC3":"0","PC4":"0","Period":"2026-08-13T13:25:00","Price":"None","REASON":"None"}	2026-08-13 18:30:10.981043
2026-08-13 18:20:00.000000	13-Aug-2026 - Interval 13:20 EST	sub_regional	None	2026-08-13T13:20:00	∅	None		None	None	0	0	0	0	0	0	0	0	{"BP1":"0","BP2":"0","BP3":"0","BP4":"0","CURVETYPE":"None","Name":"None","OVERRIDE":"None","PC1":"0","PC2":"0","PC3":"0","PC4":"0","Period":"2026-08-13T13:20:00","Price":"None","REASON":"None"}	2026-08-13 18:26:08.776087
2026-08-13 18:20:00.000000	13-Aug-2026 - Interval 13:20 EST	reserve	None - None	2026-08-13T13:20:00	∅		None			∅	∅	∅	∅	∅	∅	∅	∅	{"Description":"None","Name":"None - None","Period":"2026-08-13T13:20:00","Price":"None"}	2026-08-13 18:28:09.400687
2026-08-13 18:20:00.000000	13-Aug-2026 - Interval 13:20 EST	real_time	WEC34101_SUSSEX_36341_1	2026-08-13T13:20:00	-8.37			0	PERCENT	100	700	102	1000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"WEC34101_SUSSEX_36341_1","OVERRIDE":"0","PC1":"700","PC2":"1000","Period":"2026-08-13T13:20:00","Price":"-8.37"}	2026-08-13 18:28:09.400687
2026-08-13 18:20:00.000000	13-Aug-2026 - Interval 13:20 EST	real_time	Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV	2026-08-13T13:20:00	-259.81			0	PERCENT	100	1000	102	2000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV","OVERRIDE":"0","PC1":"1000","PC2":"2000","Period":"2026-08-13T13:20:00","Price":"-259.81"}	2026-08-13 18:28:09.400687
2026-08-13 18:20:00.000000	13-Aug-2026 - Interval 13:20 EST	reserve	None - None	2026-08-13T13:20:00	∅		None			∅	∅	∅	∅	∅	∅	∅	∅	{"Description":"None","Name":"None - None","Period":"2026-08-13T13:20:00","Price":"None"}	2026-08-13 18:29:08.483339
2026-08-13 18:15:00.000000	13-Aug-2026 - Interval 13:15 EST	sub_regional	None	2026-08-13T13:15:00	∅	None		None	None	0	0	0	0	0	0	0	0	{"BP1":"0","BP2":"0","BP3":"0","BP4":"0","CURVETYPE":"None","Name":"None","OVERRIDE":"None","PC1":"0","PC2":"0","PC3":"0","PC4":"0","Period":"2026-08-13T13:15:00","Price":"None","REASON":"None"}	2026-08-13 18:21:08.733786
2026-08-13 18:15:00.000000	13-Aug-2026 - Interval 13:15 EST	reserve	None - None	2026-08-13T13:15:00	∅		None			∅	∅	∅	∅	∅	∅	∅	∅	{"Description":"None","Name":"None - None","Period":"2026-08-13T13:15:00","Price":"None"}	2026-08-13 18:24:08.576951
2026-08-13 18:15:00.000000	13-Aug-2026 - Interval 13:15 EST	real_time	WEC34101_SUSSEX_36341_1	2026-08-13T13:15:00	-41.39			0	PERCENT	100	700	102	1000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"WEC34101_SUSSEX_36341_1","OVERRIDE":"0","PC1":"700","PC2":"1000","Period":"2026-08-13T13:15:00","Price":"-41.39"}	2026-08-13 18:23:08.609276
2026-08-13 18:15:00.000000	13-Aug-2026 - Interval 13:15 EST	real_time	TVA50007_HRSBRX_HRSBRX_MARKTR5_A	2026-08-13T13:15:00	-111.76			0	PERCENT	100	1000	102	2000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"TVA50007_HRSBRX_HRSBRX_MARKTR5_A","OVERRIDE":"0","PC1":"1000","PC2":"2000","Period":"2026-08-13T13:15:00","Price":"-111.76"}	2026-08-13 18:23:08.609276
2026-08-13 18:15:00.000000	13-Aug-2026 - Interval 13:15 EST	real_time	Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV	2026-08-13T13:15:00	-163.31			0	PERCENT	100	1000	102	2000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV","OVERRIDE":"0","PC1":"1000","PC2":"2000","Period":"2026-08-13T13:15:00","Price":"-163.31"}	2026-08-13 18:23:08.609276
2026-08-13 18:10:00.000000	13-Aug-2026 - Interval 13:10 EST	sub_regional	None	2026-08-13T13:10:00	∅	None		None	None	0	0	0	0	0	0	0	0	{"BP1":"0","BP2":"0","BP3":"0","BP4":"0","CURVETYPE":"None","Name":"None","OVERRIDE":"None","PC1":"0","PC2":"0","PC3":"0","PC4":"0","Period":"2026-08-13T13:10:00","Price":"None","REASON":"None"}	2026-08-13 18:16:08.800198
2026-08-13 18:10:00.000000	13-Aug-2026 - Interval 13:10 EST	reserve	None - None	2026-08-13T13:10:00	∅		None			∅	∅	∅	∅	∅	∅	∅	∅	{"Description":"None","Name":"None - None","Period":"2026-08-13T13:10:00","Price":"None"}	2026-08-13 18:19:08.286932
2026-08-13 18:10:00.000000	13-Aug-2026 - Interval 13:10 EST	real_time	WEC34101_SUSSEX_36341_1	2026-08-13T13:10:00	-11.23			0	PERCENT	100	700	102	1000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"WEC34101_SUSSEX_36341_1","OVERRIDE":"0","PC1":"700","PC2":"1000","Period":"2026-08-13T13:10:00","Price":"-11.23"}	2026-08-13 18:18:08.088274
2026-08-13 18:10:00.000000	13-Aug-2026 - Interval 13:10 EST	real_time	TMP815_AUR1241_RDSPG5_161kV_FTLO_5WASHBR_BEAVER1	2026-08-13T13:10:00	-1494.09					∅	∅	∅	∅	∅	∅	∅	∅	{"BP1":"","BP2":"","CURVETYPE":"","Name":"TMP815_AUR1241_RDSPG5_161kV_FTLO_5WASHBR_BEAVER1","OVERRIDE":"","PC1":"","PC2":"","Period":"2026-08-13T13:10:00","Price":"-1494.09"}	2026-08-13 18:18:08.088274
2026-08-13 18:10:00.000000	13-Aug-2026 - Interval 13:10 EST	real_time	Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV	2026-08-13T13:10:00	-408.33			0	PERCENT	100	1000	102	2000	∅	∅	∅	∅	{"BP1":"100","BP2":"102","CURVETYPE":"PERCENT","Name":"Indep2_Moorefield_161kV_FLO_Indep2_Pwrln_500kV","OVERRIDE":"0","PC1":"1000","PC2":"2000","Period":"2026-08-13T13:10:00","Price":"-408.33"}	2026-08-13 18:18:08.088274

Coverage

100.0% complete0 gap days2 days with data

Show coverage history ▾

Coverage: 100.0%Days with data: 2Gaps: 0

2026

gaplessmore