Yesterday/Today System Sell & System Buy Prices

Settlement Date	Period	SSP (Ł/MWh)	SBP(Ł/MWh)	BD	PDC	NIV (MWh)	ESCA (Ł)	ESVA (MWh)	SSVA (MWh)	SPA (Ł/MWh)	EBCA (Ł)	EBVA (MWh)	SBVA (MWh)	BPA (Ł/MWh)	Links to Underlying Data
2010-07-30	1	30.25898	35.64000	F	F	-305.5723	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	2	33.82000	33.82000	F	F	-258.4088	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	3	30.81538	34.66000	F	F	-175.3406	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	4	30.20000	34.33000	F	F	-206.5555	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	5	30.20000	33.48000	F	F	-273.8464	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	6	30.20000	32.87000	F	F	-246.3033	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	7	30.20000	30.39000	F	F	-184.0560	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	8	30.20000	30.39000	F	F	-177.3834	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	9	30.20000	31.19000	F	F	-195.5000	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	10	30.20000	31.13000	F	F	-126.9999	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	11	30.53009	32.22000	F	F	-258.9266	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	12	28.86228	33.22000	F	F	-442.5983	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	13	29.60335	36.14000	F	F	-356.4271	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	14	28.26764	36.70000	F	F	-638.0260	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	15	26.70926	37.12000	F	F	-843.2429	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	16	29.72898	38.67000	F	F	-652.1716	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	5.06	Phys Bid-Offer BSV Derived Acc
2010-07-30	17	30.37306	38.95000	F	F	-587.5100	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	11.83	Phys Bid-Offer BSV Derived Acc
2010-07-30	18	33.03677	41.64000	F	F	-689.9999	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	13.32	Phys Bid-Offer BSV Derived Acc
2010-07-30	19	33.06721	40.01000	F	F	-656.5417	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	15.74	Phys Bid-Offer BSV Derived Acc
2010-07-30	20	33.42915	40.23000	F	F	-579.9781	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	15.18	Phys Bid-Offer BSV Derived Acc
2010-07-30	21	34.02563	40.56000	F	F	-516.2584	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	13.07	Phys Bid-Offer BSV Derived Acc
2010-07-30	22	34.27600	40.23000	F	F	-352.3734	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	13.99	Phys Bid-Offer BSV Derived Acc
2010-07-30	23	34.36607	42.85000	F	F	-295.0999	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	13.99	Phys Bid-Offer BSV Derived Acc
2010-07-30	24	35.09615	43.09000	F	F	-268.2112	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	16.86	Phys Bid-Offer BSV Derived Acc
2010-07-30	25	30.38649	43.17000	F	F	-279.8826	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	18.26	Phys Bid-Offer BSV Derived Acc
2010-07-30	26	38.24537	43.17000	F	F	-265.5764	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	15.15	Phys Bid-Offer BSV Derived Acc
2010-07-30	27	30.90568	42.15000	F	F	-297.7332	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	10.01	Phys Bid-Offer BSV Derived Acc
2010-07-30	28	28.85485	41.02000	F	F	-592.1373	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	4.20	Phys Bid-Offer BSV Derived Acc
2010-07-30	29	30.32189	40.72000	F	F	-687.2566	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	30	32.68842	40.36000	F	F	-785.7250	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	31	32.48687	39.88000	F	F	-720.4010	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	32	30.29032	40.52000	F	F	-665.4294	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	33	30.47545	40.86000	F	F	-645.7066	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	5.36	Phys Bid-Offer BSV Derived Acc
2010-07-30	34	34.80000	40.87000	F	F	-271.3688	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	10.10	Phys Bid-Offer BSV Derived Acc
2010-07-30	35	41.38000	41.38000	F	F	-69.5250	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	13.65	Phys Bid-Offer BSV Derived Acc
2010-07-30	36	34.00000	41.23000	F	F	-210.5831	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	9.09	Phys Bid-Offer BSV Derived Acc
2010-07-30	37	36.12862	40.93000	F	F	-211.4131	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	38	34.67873	40.74000	F	F	-340.1097	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	39	31.44285	41.11000	F	F	-93.0407	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	40	41.13000	56.64000	F	A	64.1585	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.64	Phys Bid-Offer BSV Derived Acc
2010-07-30	41	34.48113	40.97000	F	F	-119.5124	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.43	Phys Bid-Offer BSV Derived Acc
2010-07-30	42	31.46681	40.81000	F	F	-359.3946	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	1.45	Phys Bid-Offer BSV Derived Acc
2010-07-30	43	31.23806	41.58000	F	F	-87.5791	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	5.99	Phys Bid-Offer BSV Derived Acc
2010-07-30	44	32.52095	42.37000	F	F	-108.0893	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	3.36	Phys Bid-Offer BSV Derived Acc
2010-07-30	45	30.86305	39.74000	F	F	-386.5425	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	1.74	Phys Bid-Offer BSV Derived Acc
2010-07-30	46	30.46656	39.39000	F	F	-558.4480	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	47	31.47642	37.22000	F	F	-112.4216	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-30	48	30.24150	36.12000	F	F	-310.2995	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-31	1	30.20000	34.76000	F	F	-58.3956	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-31	2	30.20000	34.41000	F	F	-64.2312	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-31	3	30.20000	33.62000	F	F	-62.3882	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-31	4	31.08933	32.95000	F	F	-38.5819	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc
2010-07-31	5	32.47000	41.60000	F	A	64.5263	0.00000	0.0000	0.0000	0.00	0.00000	0.0000	0.0000	0.00	Phys Bid-Offer BSV Derived Acc