Source - Ei SGI Data 2023-2024

Two-part source: the official codebook (PDF, January 2025) documenting Ei’s Smart Grid Indicators (SGI) reporting system, and the dataset (CSV exports from Ei’s EntryScape portal) covering reporting years 2023 and 2024.

Saved as:

• Raw/Documentation smart grid indicators for Sweden English and Swedish 27-01-2025.pdf
• Raw/smart-grid-indicators-documentation-extracted.txt
• Raw/SGI Data Entryscape 2023.csv
• Raw/SGI Data Entryscape 2024.csv

About the SGI system

The SGI (Smart Grid Indicators) are mandatory annual statistics reported by all Swedish network companies under EIFS 2022:5 (Ei’s föreskrifter om nätföretags rapportering av indikatorer för smarta elnät). The codebook defines 51 variables across three reporter types:

• REL — redovisningsenhet lokalnät (local distribution)
• RER — redovisningsenhet regionnät (regional distribution)
• RET — redovisningsenhet transmissionsnät (transmission)

Data is submitted annually to Ei’s EntryScape portal and published openly.

Coverage:

• 2023: 126 unique companies / 132 REL_IDs; 2024: 167 companies / 174 REL_IDs (42 more companies in 2024 — improved compliance)

Indicator categories

Key findings

Grid-connected energy storage — rapid growth

3.4× growth in one year. Largest 2024 reporters: E.ON (216,500 kW = 216.5 MW), Ellevio (36,586 kW), Vattenfall (27,928 kW). Dozens of smaller DSOs reporting 1–33 MW each.

Market-based flex procurement (upregulation activations)

Göteborg Energi + Mölndal = Effekthandel Väst. The 2024 increase (93 → 812 combined) reflects expanded market activity in the Gothenburg area. E.ON’s first year of reported activations (32) corresponds to the 12 SWITCH markets in 2024. Jämtkraft’s 126 activations (JämtFlex) exceed E.ON despite being described as a “proactive pilot.” Svk TSO decline (117→49) reflects milder winters and reduced activation need.

Downregulation market (2024 only): Jämtkraft (9 activations), Svk (189).

Bilateral agreements with consumers (villkorade avtal proxy)

Ellevio has by far the largest bilateral agreement count. However, a cross-company comparison strongly indicates Ellevio’s lokalnät unit is reporting a different category of agreement than all other DSOs:

All other DSOs report agreements in the 0.03–11 MW range — consistent with individual commercial customers under villkorade avtal. Ellevio’s lokalnät average (22.3 MW) is an order of magnitude higher than the next largest, implying ~6,900 MW total contracted. This exceeds Stockholm’s plausible peak demand and cannot represent individual villkorade avtal customers.

Most likely interpretation — connection point aggregates, not individual villkorade avtal: Ellevio’s DNDP (Tabell 1) gives a total forecast peak demand of ~6,295 MW across all 14 delområden in 2025. The SGI implied contracted power (311 × 22.3 MW = 6,935 MW) is 110% of total network demand — a near-exact match. If these were individual villkorade avtal customers, they would together exceed the entire network’s peak demand, which is impossible. The match instead suggests Ellevio is reporting all major connection/delivery points in its network — sub-DSOs, large industrial connection nodes, or delivery substations — that together cover the full load. Average 20.2 MW per point (network total ÷ 311) vs. 22.3 MW reported — very close. An alternative framing: Ellevio may count any connection agreement with a conditional or subscription clause, and the “contracted power” is the full subscription capacity at each point, not a flex-specific figure. EIFS 2022:5’s “förbrukare” language nominally excludes network companies, but Ellevio’s reporting methodology clearly differs from all other DSOs. Zero activations (No_ba_cons_proc = 0) in both units in 2024.

The RER03052 figures (14 agreements, avg 34.1 MW, min 2.5 MW, max 45 MW) are consistent with large industrial customers at regional voltage and are comparable in scale to other regionnät operators.

Ellevio produktionsgaranti (RER03052): No_ba_prod = 1 production agreement, exactly 320 MW contracted (min=avg=max=320 MW). No_ba_prod_proc = 2 activations at 150 MW each. This is the Värmland produktionsgaranti arrangement with hydropower (likely Fortum’s Höljes facility). The 2×150 MW activations directly corroborate Ellevio’s large hydro redispatching volumes reported to Ei under Art. 13.4 (Ei R2025:13: 201,188 MWh hydro, 2024).

Substation digitalization (REL, system averages, 2024, n=111)

Only 35% of substations have EIFS 2022:5-compliant hourly measurement. Automation and remote control coverage is very low — the digital transformation of the distribution grid remains in early stages.

Time-differentiated tariffs (2024)

REL (≤63A customers, Sh_63A_tdtariffs): system average 18.2%; 37 of 111 companies report any coverage; 11 companies at 100% (Falkenberg, Skövde, Skånska Energi, Sollentuna, Växjö, Västra Orusts, Kraftringen, Telge, Kungälv, Trelleborgs, Jukkasjärvi).

RER/RET (Sh_tdtariffs): Öresundskraft, Svk, Skellefteå at 100%; E.ON at 72%; others at 0%.

Dynamic Line Rating (No_DLR, unchanged 2023–2024)

No change between 2023 and 2024. Confirms the two companies identified (anonymously) in Ei R2026:02 as Sweden’s only DLR operators are Skellefteå Kraft and E.ON.

Related wiki pages

• Energy Storage — ES_tot_direct storage growth
• Dynamic Line Rating — DLR company identification
• Effekthandel Väst — activation count data
• Villkorade Avtal — bilateral agreement counts
• Ellevio — produktionsgaranti activation data (1×320 MW agreement, 2×150 MW activations); bilateral agreement portfolio caveat; ES_tot_other 92.7 MW
• E.ON Energidistribution — ES_tot_direct 228.5 MW (largest in Sweden); SWITCH activation size (32×2.5 MW); bilateral activations (97 consumer + 182 producer); substation digitalization (RER: 99% measurement, 60–72% remote); DLR 3 lines/40 km
• Distribution System Operator — substation digitalization baseline
• Demand Response — time-differentiated tariff penetration
• Flexibility Market — market activation confirmation (Jämtkraft, E.ON)