(4) The Real-Time Settlement Point Price of the Hub for a given 15-minute Settlement Interval is calculated as follows: RTSPP = Max [-$251, (RTRSVPOR + RTRDP + Houston345 (HUBDF * ((RTHBP * hb, Houston345 hb, Houston345, y TLMP / (TLMP if HB y) y))))], Houston345≠0 RTSPP = RTSPPERCOT345Bus, if HB Houston345 Houston345=0 Where: RTRSVPOR = (RNWF * RTORPA y y) RTRDP = (RNWFy * RTORDPAy) / RNWF = TLMP TLMP y y y RTHBP = (HBDF * RTLMP hb, Houston345, y b, hb, Houston345 b, hb, Houston345, y) / HUBDF = IF(HB 0, 1 HB hb, Houston345 Houston345=0, Houston345) / HBDF = IF(B 0, 1 B b, hb, Houston345 hb, Houston345=0, hb, Houston345) The above variables are defined as follows: Variable Unit Description RTSPP $/MWh Real-Time Settlement Point Price at the Houston345 Real-Time Settlement Point PriceThe Hub, for the 15-minute Settlement Interval. RTHBP $/MWh Real-Time hb, Real-Time Hub Bus Price at Hub Bus per SCED intervalThe energy price at Hub Bus for the SCED interval Houston345, y hb y. RTRSVPOR $/MWh Real-Time Reserve Price Real-Time Reserve Price for On-Line ReservesThe for On-Line Reserves for the 15-minute Settlement Interval.
(4) The Real-Time Settlement Point Price of the Hub for a given 15-minute Settlement Interval is calculated as follows: RTSPP Houston345 = Max [-$251, (RTRSVPOR + RTRDP + (HUBDF hb, Houston345 * ((RTHBP hb, Houston345, y * TLMP y) / (TLMP y))))], if HB Houston345≠0 RTSPP Houston345 = RTSPPERCOT345Bus, if HB Houston345=0 Where: RTRSVPOR = (RNWF y * RTORPA y) RTRDP = (RNWFy * RTORDPAy) RNWF y = TLMP y / TLMP y RTHBP hb, Houston345, y = (HBDF b, hb, Houston345 * RTLMP b, hb, Houston345, y) HUBDF hb, Houston345 = IF(HB Houston345=0, 0, 1 / HB Houston345) HBDF b, hb, Houston345 = IF(B hb, Houston345=0, 0, 1 / B hb, Houston345) The above variables are defined as follows: Variable Unit Description RTSPP Houston345 $/MWh Real-Time Settlement Point PriceThe Real-Time Settlement Point Price at the Hub, for the 15-minute Settlement Interval. RTHBP hb, Houston345, y $/MWh Real-Time Hub Bus Price at Hub Bus per SCED intervalThe Real-Time energy price at Hub Bus hb for the SCED interval y. RTRSVPOR $/MWh Real-Time Reserve Price for On-Line ReservesThe Real-Time Reserve Price for On-Line Reserves for the 15-minute Settlement Interval.