diff --git a/web/gui2-topo-lib/lib/panel/instance/instance.component.ts b/web/gui2-topo-lib/lib/panel/instance/instance.component.ts
new file mode 100644
index 0000000..53ecf12
--- /dev/null
+++ b/web/gui2-topo-lib/lib/panel/instance/instance.component.ts
@@ -0,0 +1,137 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import {
+    Component,
+    Input,
+    Output,
+    EventEmitter, OnChanges, SimpleChanges
+} from '@angular/core';
+import { animate, state, style, transition, trigger } from '@angular/animations';
+import {
+    LogService,
+    FnService,
+    PanelBaseImpl,
+    IconService,
+    SvgUtilService, LionService
+} from '../../../../gui2-fw-lib/public_api';
+
+/**
+ * A model of instance information that drives each panel
+ */
+export interface Instance {
+    id: string;
+    ip: string;
+    online: boolean;
+    ready: boolean;
+    switches: number;
+    uiAttached: boolean;
+}
+
+/**
+ * ONOS GUI -- Topology Instances Panel.
+ * Displays ONOS instances. The onosInstances Array gets updated by topology.service
+ * whenever a topo2AllInstances update arrives back on the WebSocket
+ *
+ * This emits a mastership event when the user clicks on an instance, to
+ * see the devices that it has mastership of.
+ */
+@Component({
+    selector: 'onos-instance',
+    templateUrl: './instance.component.html',
+    styleUrls: [
+        './instance.component.css', './instance.theme.css',
+        '../../topology.common.css',
+        '../../../../gui2-fw-lib/lib/widget/panel.css',
+        '../../../../gui2-fw-lib/lib/widget/panel-theme.css'
+    ],
+    animations: [
+        trigger('instancePanelState', [
+            state('true', style({
+                transform: 'translateX(0%)',
+                opacity: '1.0'
+            })),
+            state('false', style({
+                transform: 'translateX(-100%)',
+                opacity: '0.0'
+            })),
+            transition('0 => 1', animate('100ms ease-in')),
+            transition('1 => 0', animate('100ms ease-out'))
+        ])
+    ]
+})
+export class InstanceComponent extends PanelBaseImpl implements OnChanges {
+    @Input() onosInstances: Instance[] = [];
+    @Input() divTopPx: number = 100;
+    @Input() on: boolean = false; // Override the parent class attribute
+    @Output() mastershipEvent = new EventEmitter<string>();
+    public mastership: string;
+    lionFn; // Function
+
+    constructor(
+        protected fs: FnService,
+        protected log: LogService,
+        protected is: IconService,
+        protected sus: SvgUtilService,
+        private lion: LionService
+    ) {
+        super(fs, log);
+
+        if (this.lion.ubercache.length === 0) {
+            this.lionFn = this.dummyLion;
+            this.lion.loadCbs.set('topo-inst', () => this.doLion());
+        } else {
+            this.doLion();
+        }
+        this.log.debug('InstanceComponent constructed');
+    }
+
+    ngOnChanges(changes: SimpleChanges): void {
+        if (changes['onosInstances']) {
+            this.onosInstances = <Instance[]>changes['onosInstances'].currentValue;
+        }
+    }
+
+    /**
+     * Get a colour for the banner of the nth panel
+     * @param idx The index of the panel (0-6)
+     */
+    panelColour(idx: number): string {
+        return this.sus.cat7().getColor(idx, false, '');
+    }
+
+    /**
+     * Toggle the display of mastership
+     * If the same instance is clicked a second time then cancel display of mastership
+     * @param instId The instance to display mastership for
+     */
+    chooseMastership(instId: string): void {
+        if (this.mastership === instId) {
+            this.mastership = undefined;
+        } else {
+            this.mastership = instId;
+        }
+        this.mastershipEvent.emit(this.mastership);
+        this.log.debug('Instance', this.mastership, 'chosen on GUI');
+    }
+
+    /**
+     * Read the LION bundle for Details panel and set up the lionFn
+     */
+    doLion() {
+        this.lionFn = this.lion.bundle('core.view.Topo');
+
+    }
+}