stats B11: EP-Online energy labels (monthly total file → homes per label for NL, Gouda, Gouda PC4s; aggregates only), stats.ep_label_agg, monthly timer with key from ~/.config/stats/ep-online.env, charts on /stats/energy and /stats/gouda

scripts/stats/common.ts

@@ -31,7 +31,8 @@ const hostGapMs: Record<string, number> = {
 	'api.energy-charts.info': 2000,
 	'www.rijksfinancien.nl': 1000,
 	'api.fiscaldata.treasury.gov': 1000,
-	'api.usaspending.gov': 500
+	'api.usaspending.gov': 500,
+	'public.ep-online.nl': 1000
 };
 const lastHit = new Map<string, number>();
 
@@ -193,6 +194,15 @@ export const SOURCES = [
 		licence: 'Public domain (US government work)',
 		key_required: false,
 		attribution: 'Source: USAspending.gov (U.S. Department of the Treasury)'
+	},
+	{
+		source_id: 'eponline',
+		name: 'EP-Online (RVO energy labels)',
+		base_url: 'https://public.ep-online.nl/api/v5',
+		licence: 'Open data (RVO), aggregated here; API key required',
+		key_required: true,
+		attribution:
+			'Source: EP-Online, Netherlands Enterprise Agency (RVO), aggregated by stanrunge.dev'
 	}
 ] as const;