diff --git a/models/external/beacon_api_eth_v1_events_execution_payload.sql b/models/external/beacon_api_eth_v1_events_execution_payload.sql
new file mode 100644
index 00000000..afc1c8af
--- /dev/null
+++ b/models/external/beacon_api_eth_v1_events_execution_payload.sql
@@ -0,0 +1,32 @@
+---
+table: beacon_api_eth_v1_events_execution_payload
+cache:
+  incremental_scan_interval: 5s
+  full_scan_interval: 24h
+interval:
+  type: slot
+lag: 12
+---
+SELECT
+    {{ if .cache.is_incremental_scan }}
+      '{{ .cache.previous_min }}' as min,
+    {{ else }}
+      toUnixTimestamp(min(slot_start_date_time)) as min,
+    {{ end }}
+    toUnixTimestamp(max(slot_start_date_time)) as max
+FROM {{ .self.helpers.from }}
+WHERE 
+    meta_network_name = '{{ .env.NETWORK }}'
+
+    -- previous_max if incremental scan and is set, otherwise default/env
+    {{- $ts := default "0" .env.EXTERNAL_MODEL_MIN_TIMESTAMP -}}
+    {{- if .cache.is_incremental_scan -}}
+      {{- if .cache.previous_max -}}
+        {{- $ts = .cache.previous_max -}}
+      {{- end -}}
+    {{- end }}
+    AND slot_start_date_time >= fromUnixTimestamp({{ $ts }})
+    {{- if .cache.is_incremental_scan }}
+      AND slot_start_date_time <= fromUnixTimestamp({{ $ts }}) + {{ default "100000" .env.EXTERNAL_MODEL_SCAN_SIZE_TIMESTAMP }}
+    {{- end }}
+
diff --git a/models/transformations/fct_block_head.sql b/models/transformations/fct_block_head.sql
index 644a79be..3825b90e 100644
--- a/models/transformations/fct_block_head.sql
+++ b/models/transformations/fct_block_head.sql
@@ -14,16 +14,36 @@ tags:
   - head
 dependencies:
   - "{{external}}.beacon_api_eth_v2_beacon_block"
+  # Gloas payload-hash source. OR-grouped with the beacon block table so
+  # networks where the execution_payload events table is empty or absent
+  # schedule unaffected.
+  - - "{{external}}.beacon_api_eth_v1_events_execution_payload"
+    - "{{external}}.beacon_api_eth_v2_beacon_block"
 ---
 INSERT INTO
   `{{ .self.database }}`.`{{ .self.table }}`
+WITH
+-- Gloas (ePBS): the beacon block no longer embeds the execution payload, so
+-- its execution_payload_block_hash is empty in the block table. The
+-- execution_payload SSE events map each revealed payload's block hash to its
+-- beacon block root. Empty on pre-gloas networks, where it contributes nothing.
+payload_events AS (
+    SELECT
+        block_root,
+        any(block_hash) AS payload_block_hash
+    FROM {{ index .dep "{{external}}" "beacon_api_eth_v1_events_execution_payload" "helpers" "from" }}
+    WHERE meta_network_name = '{{ .env.NETWORK }}'
+        AND slot_start_date_time BETWEEN fromUnixTimestamp({{ .bounds.start }}) AND fromUnixTimestamp({{ .bounds.end }})
+        AND block_hash != ''
+    GROUP BY block_root
+)
 SELECT
     fromUnixTimestamp({{ .task.start }}) as updated_date_time,
     argMax(slot, updated_date_time) AS slot,
     slot_start_date_time,
     argMax(epoch, updated_date_time) AS epoch,
     argMax(epoch_start_date_time, updated_date_time) AS epoch_start_date_time,
-    block_root,
+    bb.block_root AS block_root,
     argMax(block_version, updated_date_time) AS block_version,
     argMax(block_total_bytes, updated_date_time) AS block_total_bytes,
     argMax(block_total_bytes_compressed, updated_date_time) AS block_total_bytes_compressed,
@@ -32,7 +52,9 @@ SELECT
     argMax(proposer_index, updated_date_time) AS proposer_index,
     argMax(eth1_data_block_hash, updated_date_time) AS eth1_data_block_hash,
     argMax(eth1_data_deposit_root, updated_date_time) AS eth1_data_deposit_root,
-    argMax(execution_payload_block_hash, updated_date_time) AS execution_payload_block_hash,
+    -- Pre-gloas blocks carry their payload hash. Gloas blocks fall back to
+    -- the payload observed for their block root on the SSE layer
+    coalesce(nullif(argMax(execution_payload_block_hash, updated_date_time), ''), any(pe.payload_block_hash), '') AS execution_payload_block_hash,
     argMax(execution_payload_block_number, updated_date_time) AS execution_payload_block_number,
     argMax(execution_payload_fee_recipient, updated_date_time) AS execution_payload_fee_recipient,
     argMax(execution_payload_base_fee_per_gas, updated_date_time) AS execution_payload_base_fee_per_gas,
@@ -45,7 +67,8 @@ SELECT
     argMax(execution_payload_transactions_count, updated_date_time) AS execution_payload_transactions_count,
     argMax(execution_payload_transactions_total_bytes, updated_date_time) AS execution_payload_transactions_total_bytes,
     argMax(execution_payload_transactions_total_bytes_compressed, updated_date_time) AS execution_payload_transactions_total_bytes_compressed
-FROM {{ index .dep "{{external}}" "beacon_api_eth_v2_beacon_block" "helpers" "from" }} FINAL
+FROM {{ index .dep "{{external}}" "beacon_api_eth_v2_beacon_block" "helpers" "from" }} AS bb FINAL
+GLOBAL LEFT JOIN payload_events pe ON bb.block_root = pe.block_root
 WHERE slot_start_date_time BETWEEN fromUnixTimestamp({{ .bounds.start }}) AND fromUnixTimestamp({{ .bounds.end }})
     AND meta_network_name = '{{ .env.NETWORK }}'
 GROUP BY slot_start_date_time, block_root