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Ready-made datasets as CSV or Excel: pick the dates. The Excel file adds a Notes sheet with source, licence and column notes.

Battery revenue index, daily

One row per day

The index and every revenue stream per MW per year, by day and by duration cut, with the provisional flag.

Columns: Settlement date · Cut · Active MW · Active units · Wholesale, day-ahead shape · Wholesale, intraday shape · Balancing Mechanism · Imbalance · Frequency response · Reserve · Capacity Market · Total · Average duration · Provisional

CSV EXCEL 365 days

Elexon settlement data, NESO auction results, LCCC and NESO Capacity Market data; computed by Neura Energy. Contains BMRS data © Elexon Limited; NESO Open Data Licence; OGL v3.0 (LCCC). Method

Battery revenue index, monthly

One row per month and cut

Mean of the daily indices for each calendar month, by duration cut.

Columns: Month · Cut · Active MW, average · Active units, average · Wholesale, day-ahead shape · Wholesale, intraday shape · Balancing Mechanism · Imbalance · Frequency response · Reserve · Capacity Market · Total · Average duration

CSV EXCEL 1035 days

As the daily index. Contains BMRS data © Elexon Limited; NESO Open Data Licence; OGL v3.0 (LCCC). Method

Battery units and their revenue

One row per battery

Every battery in the register with its size, duration and £/MW/yr by stream over the chosen period.

Columns: BM unit · Name · Site · Lead party · Rated MW · Duration · Class · Duration source · Trading observable · Active days · Total £/MW/yr · Wholesale, day-ahead shape · Wholesale, intraday shape · Balancing Mechanism · Imbalance · Frequency response · Reserve · Capacity Market · Cycles per day · Latitude · Longitude

CSV EXCEL 30 days

Elexon BM unit register, NESO and Capacity Market registers, DESNZ REPD; revenue as the index. Contains BMRS data © Elexon Limited; NESO Open Data Licence; OGL v3.0 (DESNZ, LCCC). Method

Wholesale and imbalance prices, daily

One row per day

Day-ahead auction baseload, intraday market index baseload, peak and off-peak, spreads, system price and wind share, by day.

Columns: Date · Day-ahead baseload · Market index baseload · Market index peak · Lowest half-hour · Highest half-hour · 2-hour spread · System price, mean · Wind share

CSV EXCEL 365 days

LCCC day-ahead reference price (IMRP), Elexon market index data and system prices, NESO generation mix. OGL v3.0 (LCCC); contains BMRS data © Elexon Limited; NESO Open Data Licence. Method

Capture prices, monthly: wind, solar and gas

One row per month and technology

Capture price, baseload, capture rate, output and negative-price exposure for each technology, by month.

Columns: Month · Technology · Output · Average output · Capture price · Baseload · Capture rate · Negative-price hours · Output in negative hours · Day-ahead market revenue · Partial month

CSV EXCEL 1095 days

Elexon FUELHH, Sheffield Solar PV_Live, LCCC day-ahead reference price; computed by Neura Energy. Contains BMRS data © Elexon Limited; OGL v3.0 (LCCC); PV_Live by Sheffield Solar, University of Sheffield, licensed under CC BY 4.0 (modified: stored, resampled and aggregated). Method

Balancing costs, daily

One row per day

What NESO paid to balance the system each day by category, from NESO's official series, with Elexon's provisional total for days NESO has not published.

Columns: Date · Total · Constraints · Energy imbalance · Frequency control · Positive reserve · Negative reserve · Other · Provisional

CSV EXCEL 365 days

NESO daily balancing costs; Elexon settlement stack for provisional days. NESO Open Data Licence; contains BMRS data © Elexon Limited. Method

Ancillary service prices, daily

One row per day

What one MW held in every block of the day earned in each frequency response and reserve product, by day.

Columns: EFA day · DCH · DCL · DMH · DML · DRH · DRL · PQR · NQR · PSR · PBR · NBR

CSV EXCEL 365 days

NESO Enduring Auction Capability results. NESO Open Data Licence. Method

Generation mix, daily

One row per day

Energy generated by source each day, including embedded wind and solar, with the day's mean carbon intensity.

Columns: Date · Gas · Coal · Nuclear · Wind, transmission · Wind, embedded · Solar · Hydro · Biomass · Storage · Imports · Other · Total generation · Carbon intensity, mean

CSV EXCEL 365 days

NESO generation mix (historic generation mix and carbon intensity). NESO Open Data Licence. Method

Contains BMRS data © Elexon Limited copyright and database right 2026. Supported by National Energy SO Open Data (NESO Open Data Licence). Carbon Intensity API (NESO), CC BY 4.0. Contains public sector information licensed under the Open Government Licence v3.0 (LCCC, Ofgem, DESNZ). Solar: PV_Live by Sheffield Solar, University of Sheffield, CC BY 4.0, modified.

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