diff --git a/web/public/config.json b/web/public/config.json
index 7203327..40c96ca 100644
--- a/web/public/config.json
+++ b/web/public/config.json
@@ -1,4 +1,5 @@
 {
+  "hide_miners": true,
   "miner_names": {
     "020100008c675349": "Miner 3",
     "020100001a0f0bc8": "Miner 1",
diff --git a/web/src/App.tsx b/web/src/App.tsx
index 56ba0f0..0e9d4f1 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -136,33 +136,7 @@ function App() {
       </header>
 
       <main className="main">
-        <section className="card">
-          <h2>Scheduler Status</h2>
-          <div className="info-grid">
-            <InfoItem
-              label="Running:"
-              value={health?.scheduler.is_running ? "Yes" : "No"}
-              valueClassName={
-                health?.scheduler.is_running ? "value-success" : "value-error"
-              }
-            />
-            <InfoItem label="Network:" value={health?.scheduler.network} />
-            <InfoItem label="Miners Count:" value={status?.miners.count || 0} />
-            <InfoItem
-              label="Market Data:"
-              value={
-                health?.scheduler.has_market_data
-                  ? "Available"
-                  : "Not Available"
-              }
-              valueClassName={
-                health?.scheduler.has_market_data
-                  ? "value-success"
-                  : "value-warning"
-              }
-            />
-          </div>
-        </section>
+        <MetricsSummary />
 
         {currentPrice !== undefined && priceLimit !== undefined && (
           <section className="card">
@@ -180,6 +154,7 @@ function App() {
           </section>
         )}
 
+        {!config.hide_miners && (
         <section className="card">
           <h2>
             Discovered Miners
@@ -257,6 +232,7 @@ function App() {
             <p className="no-miners">No miners discovered yet.</p>
           )}
         </section>
+        )}
 
         <section className="card devices-section">
           <h2>Devices</h2>
@@ -360,7 +336,38 @@ function App() {
 
         <MPCDecisions decisions={health?.scheduler.mpc_decisions} />
 
-        <MetricsSummary />
+        <section className="card">
+          <h2>Scheduler Status</h2>
+          <div className="info-grid">
+            <InfoItem
+              label="Running:"
+              value={health?.scheduler.is_running ? "Yes" : "No"}
+              valueClassName={
+                health?.scheduler.is_running ? "value-success" : "value-error"
+              }
+            />
+            <InfoItem label="Network:" value={health?.scheduler.network} />
+            {!config.hide_miners && (
+              <InfoItem
+                label="Miners Count:"
+                value={status?.miners.count || 0}
+              />
+            )}
+            <InfoItem
+              label="Market Data:"
+              value={
+                health?.scheduler.has_market_data
+                  ? "Available"
+                  : "Not Available"
+              }
+              valueClassName={
+                health?.scheduler.has_market_data
+                  ? "value-success"
+                  : "value-warning"
+              }
+            />
+          </div>
+        </section>
 
         <section className="card system-info">
           <h2>System Information</h2>
@@ -390,7 +397,12 @@ function App() {
         <DemoInfo onClose={() => setShowDemoInfo(false)} />
       )}
 
-      {showConfig && <ConfigMenu onClose={() => setShowConfig(false)} />}
+      {showConfig && (
+        <ConfigMenu
+          onClose={() => setShowConfig(false)}
+          hideMiners={config.hide_miners}
+        />
+      )}
 
       {showMarketDataUpload && (
         <MarketDataUpload onClose={() => setShowMarketDataUpload(false)} />
diff --git a/web/src/components/ConfigMenu.tsx b/web/src/components/ConfigMenu.tsx
index bdd2888..45cc93b 100644
--- a/web/src/components/ConfigMenu.tsx
+++ b/web/src/components/ConfigMenu.tsx
@@ -5,6 +5,8 @@ import "./ConfigMenu.css";
 
 interface ConfigMenuProps {
   onClose: () => void;
+  /** Hide miner-related sections and fields. */
+  hideMiners?: boolean;
 }
 
 type FieldType = "text" | "number" | "boolean" | "select" | "duration" | "numericSelect";
@@ -618,7 +620,25 @@ function ConfigField({ def, value, onChange }: FieldProps) {
 
 // ─── Main component ─────────────────────────────────────────────────────────
 
-export function ConfigMenu({ onClose }: ConfigMenuProps) {
+const MINER_SECTION_TITLES = new Set(["Miner Power Modes"]);
+const MINER_FIELD_KEYS = new Set<keyof EmsConfig>([
+  "miners_state_check_interval",
+  "miner_discovery_interval",
+  "miner_max_consecutive_errors",
+  "miner_timeout",
+]);
+
+const MINERLESS_SECTIONS: Section[] = SECTIONS.filter(
+  (s) => !MINER_SECTION_TITLES.has(s.title),
+)
+  .map((s) => ({
+    ...s,
+    fields: s.fields.filter((f) => !MINER_FIELD_KEYS.has(f.key)),
+  }))
+  .filter((s) => s.fields.length > 0);
+
+export function ConfigMenu({ onClose, hideMiners = false }: ConfigMenuProps) {
+  const sections = hideMiners ? MINERLESS_SECTIONS : SECTIONS;
   const {
     config,
     loading,
@@ -680,7 +700,7 @@ export function ConfigMenu({ onClose }: ConfigMenuProps) {
   }, [onClose]);
 
   const currentSection =
-    SECTIONS.find((s) => s.title === activeSection) ?? SECTIONS[0];
+    sections.find((s) => s.title === activeSection) ?? sections[0];
 
   return (
     <div
@@ -734,7 +754,7 @@ export function ConfigMenu({ onClose }: ConfigMenuProps) {
         <div className="config-modal-body">
           {/* Sidebar navigation */}
           <nav className="config-nav">
-            {SECTIONS.map((section) => (
+            {sections.map((section) => (
               <button
                 key={section.title}
                 type="button"
diff --git a/web/src/components/MetricsSummary.tsx b/web/src/components/MetricsSummary.tsx
index 279f6be..ca5ecc1 100644
--- a/web/src/components/MetricsSummary.tsx
+++ b/web/src/components/MetricsSummary.tsx
@@ -39,9 +39,96 @@ function generateMockMetricsSummary(date: Date): MetricsSummaryType {
   };
 }
 
+// Generate mock monthly summary by summing mock daily data for the month
+function generateMockMonthlySummary(date: Date): MetricsSummaryType {
+  const { start, end } = getMonthRange(date);
+  const today = new Date();
+  const result: MetricsSummaryType = {
+    total_import_cost: 0,
+    total_export_cost: 0,
+    total_import_kwh: 0,
+    total_export_kwh: 0,
+    start_time: start.toISOString(),
+    end_time: end.toISOString(),
+  };
+  for (
+    const d = new Date(start);
+    d <= end && d <= today;
+    d.setDate(d.getDate() + 1)
+  ) {
+    const day = generateMockMetricsSummary(d);
+    result.total_import_cost += day.total_import_cost;
+    result.total_export_cost += day.total_export_cost;
+    result.total_import_kwh += day.total_import_kwh;
+    result.total_export_kwh += day.total_export_kwh;
+  }
+  return result;
+}
+
+function getMonthRange(date: Date): { start: Date; end: Date } {
+  const start = new Date(date.getFullYear(), date.getMonth(), 1, 0, 0, 0, 0);
+  const end = new Date(
+    date.getFullYear(),
+    date.getMonth() + 1,
+    0,
+    23,
+    59,
+    59,
+    999,
+  );
+  return { start, end };
+}
+
+async function fetchSummary(
+  start: Date,
+  end: Date,
+): Promise<MetricsSummaryType> {
+  const url = `/api/metrics/summary?start_time=${encodeURIComponent(start.toISOString())}&end_time=${encodeURIComponent(end.toISOString())}`;
+  const response = await fetch(url);
+  if (!response.ok) {
+    throw new Error(`HTTP error! status: ${response.status}`);
+  }
+  return response.json();
+}
+
+function SummaryRows({ summary }: { summary: MetricsSummaryType }) {
+  // Import cost is spending, export cost is revenue
+  const net = summary.total_import_cost - summary.total_export_cost;
+  return (
+    <>
+      <div className="mpc-summary-item">
+        <span className="mpc-summary-label">Import Cost:</span>
+        <span className="mpc-summary-value value-error">
+          €{summary.total_import_cost.toFixed(2)} (
+          {summary.total_import_kwh.toFixed(2)} kWh)
+        </span>
+      </div>
+      <div className="mpc-summary-item">
+        <span className="mpc-summary-label">Export Revenue:</span>
+        <span className="mpc-summary-value value-success">
+          €{summary.total_export_cost.toFixed(2)} (
+          {summary.total_export_kwh.toFixed(2)} kWh)
+        </span>
+      </div>
+      <div className="mpc-summary-item">
+        <span className="mpc-summary-label">
+          {net <= 0 ? "Net Revenue:" : "Net Cost:"}
+        </span>
+        <span
+          className={`mpc-summary-value ${net <= 0 ? "value-success" : "value-error"}`}
+        >
+          €{Math.abs(net).toFixed(2)}
+        </span>
+      </div>
+    </>
+  );
+}
+
 export function MetricsSummary() {
   const [metricsSummary, setMetricsSummary] =
     useState<MetricsSummaryType | null>(null);
+  const [monthlySummary, setMonthlySummary] =
+    useState<MetricsSummaryType | null>(null);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
   const [selectedDate, setSelectedDate] = useState<Date>(() => {
@@ -68,28 +155,26 @@ export function MetricsSummary() {
         if (isDemoMode) {
           // Simulate network delay
           await new Promise(resolve => setTimeout(resolve, 300));
-          const mockData = generateMockMetricsSummary(selectedDate);
-          setMetricsSummary(mockData);
+          setMetricsSummary(generateMockMetricsSummary(selectedDate));
+          setMonthlySummary(generateMockMonthlySummary(selectedDate));
           setError(null);
         } else {
-          // Calculate time range for selected date (calendar day - midnight to midnight)
-          const startTime = selectedDate.toISOString();
-          const endDate = new Date(selectedDate);
-          endDate.setHours(23, 59, 59, 999);
-          const endTime = endDate.toISOString();
+          // Selected calendar day (midnight to midnight) and its calendar month
+          const dayEnd = new Date(selectedDate);
+          dayEnd.setHours(23, 59, 59, 999);
+          const month = getMonthRange(selectedDate);
 
-          const url = `/api/metrics/summary?start_time=${encodeURIComponent(startTime)}&end_time=${encodeURIComponent(endTime)}`;
-          const response = await fetch(url);
-          if (!response.ok) {
-            throw new Error(`HTTP error! status: ${response.status}`);
-          }
-          const data: MetricsSummaryType = await response.json();
-          setMetricsSummary(data);
+          const [daily, monthly] = await Promise.all([
+            fetchSummary(selectedDate, dayEnd),
+            fetchSummary(month.start, month.end),
+          ]);
+          setMetricsSummary(daily);
+          setMonthlySummary(monthly);
           setError(null);
         }
       } catch (error) {
         console.error("Failed to fetch metrics summary:", error);
-        setError("Failed to load actual costs data");
+        setError("Failed to load data");
       } finally {
         setLoading(false);
         isFetchingRef.current = false;
@@ -129,11 +214,6 @@ export function MetricsSummary() {
     return selectedDate.getTime() === today.getTime();
   };
 
-  // Calculate net cost from metrics (import cost is negative, export cost is positive revenue)
-  const netActualCost = metricsSummary
-    ? metricsSummary.total_import_cost - metricsSummary.total_export_cost
-    : null;
-
   return (
     <section className="card">
       <div
@@ -145,7 +225,7 @@ export function MetricsSummary() {
         }}
       >
         <h2 style={{ margin: 0 }}>
-          Actual Costs - {formatDateDisplay(selectedDate)}
+          Data - {formatDateDisplay(selectedDate)}
         </h2>
         <div style={{ display: "flex", gap: "0.5rem", alignItems: "center" }}>
           <button
@@ -205,7 +285,7 @@ export function MetricsSummary() {
         </div>
       </div>
 
-      <div className="mpc-summary">
+      <div className="mpc-summary" style={{ flexDirection: "column", gap: "1rem" }}>
         {loading && (
           <div className="mpc-summary-item">
             <span className="mpc-summary-label">Loading...</span>
@@ -222,36 +302,26 @@ export function MetricsSummary() {
           </div>
         )}
         {metricsSummary && !loading && (
-          <>
-            <div className="mpc-summary-item">
-              <span className="mpc-summary-label">Import Cost:</span>
-              <span className="mpc-summary-value value-error">
-                €{metricsSummary.total_import_cost.toFixed(2)} (
-                {metricsSummary.total_import_kwh.toFixed(2)} kWh)
-              </span>
-            </div>
-            <div className="mpc-summary-item">
-              <span className="mpc-summary-label">Export Revenue:</span>
-              <span className="mpc-summary-value value-success">
-                €{metricsSummary.total_export_cost.toFixed(2)} (
-                {metricsSummary.total_export_kwh.toFixed(2)} kWh)
-              </span>
+          <div>
+            <h3 style={{ margin: "0 0 0.5rem" }}>Day</h3>
+            <div style={{ display: "flex", gap: "2rem", flexWrap: "wrap" }}>
+              <SummaryRows summary={metricsSummary} />
             </div>
-            <div className="mpc-summary-item">
-              <span className="mpc-summary-label">
-                {netActualCost !== null && netActualCost <= 0
-                  ? "Net Revenue:"
-                  : "Net Cost:"}
-              </span>
-              <span
-                className={`mpc-summary-value ${netActualCost !== null && netActualCost <= 0 ? "value-success" : "value-error"}`}
-              >
-                {netActualCost !== null
-                  ? `€${Math.abs(netActualCost).toFixed(2)}`
-                  : "N/A"}
-              </span>
+          </div>
+        )}
+        {monthlySummary && !loading && (
+          <div>
+            <h3 style={{ margin: "0 0 0.5rem" }}>
+              Month -{" "}
+              {selectedDate.toLocaleDateString("en-US", {
+                year: "numeric",
+                month: "long",
+              })}
+            </h3>
+            <div style={{ display: "flex", gap: "2rem", flexWrap: "wrap" }}>
+              <SummaryRows summary={monthlySummary} />
             </div>
-          </>
+          </div>
         )}
       </div>
     </section>
diff --git a/web/src/hooks/useConfig.ts b/web/src/hooks/useConfig.ts
index 1785762..b3490a7 100644
--- a/web/src/hooks/useConfig.ts
+++ b/web/src/hooks/useConfig.ts
@@ -2,10 +2,13 @@ import { useState, useEffect } from "react";
 
 export interface AppConfig {
   miner_names: Record<string, string>;
+  /** Hide all miner-related UI elements. Enabled by default. */
+  hide_miners: boolean;
 }
 
 const defaultConfig: AppConfig = {
   miner_names: {},
+  hide_miners: true,
 };
 
 let cachedConfig: AppConfig | null = null;
@@ -24,9 +27,10 @@ export function useConfig(): AppConfig {
         if (!res.ok) throw new Error(`Failed to load config: ${res.status}`);
         return res.json();
       })
-      .then((data: AppConfig) => {
-        cachedConfig = data;
-        setConfig(data);
+      .then((data: Partial<AppConfig>) => {
+        const merged: AppConfig = { ...defaultConfig, ...data };
+        cachedConfig = merged;
+        setConfig(merged);
       })
       .catch((err) => {
         console.warn("Could not load config.json, using defaults:", err);