diff --git a/application/libraries/reports/invoice/Excel/InvoiceForecastSheet.php b/application/libraries/reports/invoice/Excel/InvoiceForecastSheet.php
new file mode 100644
index 0000000..11407a9
--- /dev/null
+++ b/application/libraries/reports/invoice/Excel/InvoiceForecastSheet.php
@@ -0,0 +1,75 @@
+<?php
+/**
+ * Created by Pensare Software.
+ * User: Theo Weijmer
+ * Date: 30/07/2018
+ * Time: 10:48
+ */
+
+class InvoiceForecastSheet {
+
+    const HEADERS = [
+        'A' => 'project',
+        'B' => 'klant',
+        'C' => 'Nog te factureren incl. btw',
+        'D' => 'Nog te factureren incl. btw lopend boekjaar incl. btw',
+        'E' => 'Nog te factureren na lopend boekjaar inc. btw',
+        'F' => 'Nog te prognotiseren inc. btw'
+    ];
+
+    private $invoiceForecast;
+    private $sheet;
+    private $row;
+
+    public function __construct( $invoiceForecast, $sheet )
+    {
+        $this->invoiceForecast = $invoiceForecast;
+        $this->sheet = $sheet;
+
+        $this->handle();
+    }
+
+    private function handle()
+    {
+        $this->setHeader();
+
+        $this->setBody();
+
+        $this->setTotals();
+    }
+
+    private function setHeader()
+    {
+        foreach ( self::HEADERS as $cell => $header )
+        {
+            $this->sheet->setCellValue( $cell . '1', $header );
+            $this->sheet->getColumnDimension( $cell )->setAutoSize( TRUE );
+        }
+    }
+
+    private function setBody()
+    {
+        $this->row = 2;
+        foreach ( $this->invoiceForecast AS $project )
+        {
+            $this->sheet->setCellValue( 'A' . $this->row, $project['projectname'] );
+            $this->sheet->setCellValue( 'B' . $this->row, $project['customer'] );
+            $this->sheet->setCellValue( 'C' . $this->row, str_replace( '.', '', $project['needInvoice'] ) );
+            $this->sheet->setCellValue( 'D' . $this->row, str_replace( '.', '', $project['forecastThisYear'] ) );
+            $this->sheet->setCellValue( 'E' . $this->row, str_replace( '.', '', $project['forecastOtherYears'] ) );
+            $this->sheet->setCellValue( 'F' . $this->row, str_replace( '.', '', $project['forecastRemaining'] ) );
+
+            $this->row ++;
+        }
+    }
+
+    private function setTotals()
+    {
+        $lastRow = $this->row - 1;
+        $this->sheet->setCellValue( 'C' . $this->row, '=SUM(C2:C' . $lastRow . ')' );
+        $this->sheet->setCellValue( 'D' . $this->row, '=SUM(D2:D' . $lastRow . ')' );
+        $this->sheet->setCellValue( 'E' . $this->row, '=SUM(E2:E' . $lastRow . ')' );
+        $this->sheet->setCellValue( 'F' . $this->row, '=SUM(F2:F' . $lastRow . ')' );
+    }
+
+}
\ No newline at end of file
diff --git a/application/libraries/reports/invoice/Excel/InvoiceSheet.php b/application/libraries/reports/invoice/Excel/InvoiceOverviewSheet.php
similarity index 98%
rename from application/libraries/reports/invoice/Excel/InvoiceSheet.php
rename to application/libraries/reports/invoice/Excel/InvoiceOverviewSheet.php
index 6aed139..ae6c17d 100644
--- a/application/libraries/reports/invoice/Excel/InvoiceSheet.php
+++ b/application/libraries/reports/invoice/Excel/InvoiceOverviewSheet.php
@@ -6,7 +6,7 @@
  * Time: 20:40
  */
 
-class InvoiceSheet {
+class InvoiceOverviewSheet {
 
     const HEADERS = [
         'A' => 'project',
diff --git a/application/libraries/reports/invoice/Excel/InvoiceSpreadsheet.php b/application/libraries/reports/invoice/Excel/InvoiceSpreadsheet.php
index bb73646..a06caba 100644
--- a/application/libraries/reports/invoice/Excel/InvoiceSpreadsheet.php
+++ b/application/libraries/reports/invoice/Excel/InvoiceSpreadsheet.php
@@ -34,7 +34,13 @@ class InvoiceSpreadsheet {
     {
         $this->setSpreadsheet();
 
-        $this->setInvoiceSheet();
+        $this->setInvoiceOverviewSheet();
+
+        $this->setInvoiceForecast();
+
+        $this->setMonthForecast();
+
+        $this->setMonthPayment();
 
         $this->setFilename();
 
@@ -50,14 +56,44 @@ class InvoiceSpreadsheet {
         $this->spreadsheet = new Spreadsheet();
     }
 
-    private function setInvoiceSheet()
+    private function setInvoiceOverviewSheet()
     {
         $invoiceSheet = new Worksheet( $this->spreadsheet, 'Facturen' );
 
         $this->invoiceSheet =
             $this->spreadsheet->addSheet( $invoiceSheet );
 
-        new InvoiceSheet( $this->invoiceReport['invoiceOverview'], $this->invoiceSheet );
+        new InvoiceOverviewSheet( $this->invoiceReport['invoiceOverview'], $this->invoiceSheet );
+    }
+
+    private function setInvoiceForecast()
+    {
+        $invoiceSheet = new Worksheet( $this->spreadsheet, 'prognose' );
+
+        $this->invoiceSheet =
+            $this->spreadsheet->addSheet( $invoiceSheet );
+
+        new InvoiceForecastSheet( $this->invoiceReport['forecasts'], $this->invoiceSheet );
+    }
+
+    private function setMonthForecast()
+    {
+        $invoiceSheet = new Worksheet( $this->spreadsheet, 'maandprognose' );
+
+        $this->invoiceSheet =
+            $this->spreadsheet->addSheet( $invoiceSheet );
+
+        new MonthForecastSheet( $this->invoiceReport['monthForecasts'], $this->invoiceSheet );
+    }
+
+    private function setMonthPayment()
+    {
+        $invoiceSheet = new Worksheet( $this->spreadsheet, 'maand betalingen' );
+
+        $this->invoiceSheet =
+            $this->spreadsheet->addSheet( $invoiceSheet );
+
+        new MonthPaymentSheet( $this->invoiceReport['monthPayments'], $this->invoiceSheet );
     }
 
     private function setFilename()
diff --git a/application/libraries/reports/invoice/Excel/MonthForecastSheet.php b/application/libraries/reports/invoice/Excel/MonthForecastSheet.php
new file mode 100644
index 0000000..85cb34d
--- /dev/null
+++ b/application/libraries/reports/invoice/Excel/MonthForecastSheet.php
@@ -0,0 +1,101 @@
+<?php
+/**
+ * Created by Pensare Software.
+ * User: Theo Weijmer
+ * Date: 30/07/2018
+ * Time: 10:48
+ */
+
+class MonthForecastSheet {
+
+    const HEADERS = [
+        'A' => 'project',
+        'B' => 'klant',
+        'C' => 'Nog te factureren incl. btw',
+        'D' => 'januari',
+        'E' => 'februari',
+        'F' => 'maart',
+        'G' => 'april',
+        'H' => 'mei',
+        'I' => 'juni',
+        'J' => 'juli',
+        'K' => 'augustus',
+        'L' => 'september',
+        'M' => 'oktober',
+        'N' => 'november',
+        'O' => 'december',
+        'P' => 'Nog te factureren na lopend boekjaar inc. btw',
+        'Q' => 'Nog te prognotiseren inc. btw'
+    ];
+
+    const MONTH_COLUMNS = ['D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O'];
+
+    private $invoiceForecast;
+    private $sheet;
+    private $row;
+
+    public function __construct( $invoiceForecast, $sheet )
+    {
+        $this->invoiceForecast = $invoiceForecast;
+        $this->sheet = $sheet;
+
+        $this->handle();
+    }
+
+    private function handle()
+    {
+        $this->setHeader();
+
+        $this->setBody();
+
+        $this->setTotals();
+    }
+
+    private function setHeader()
+    {
+        foreach ( self::HEADERS as $cell => $header )
+        {
+            $this->sheet->setCellValue( $cell . '1', $header );
+            $this->sheet->getColumnDimension( $cell )->setAutoSize( TRUE );
+        }
+    }
+
+    private function setBody()
+    {
+        $this->row = 2;
+        foreach ( $this->invoiceForecast AS $project )
+        {
+            $this->sheet->setCellValue( 'A' . $this->row, $project['projectname'] );
+            $this->sheet->setCellValue( 'B' . $this->row, $project['customer'] );
+            $this->sheet->setCellValue( 'C' . $this->row, str_replace( '.', '', $project['needInvoice'] ) );
+
+            $columnCount = 0;
+            foreach ( $project['forecastMonths'] as $month )
+            {
+                $column = self::MONTH_COLUMNS[ $columnCount ];
+                $forecast = $month['forecastamount'];
+                $this->sheet->setCellValue( $column . $this->row, $forecast );
+                $columnCount ++;
+            }
+
+            $this->sheet->setCellValue( 'P' . $this->row, str_replace( '.', '', $project['forecastOtherYears'] ) );
+            $this->sheet->setCellValue( 'Q' . $this->row, str_replace( '.', '', $project['forecastRemaining'] ) );
+
+            $this->row ++;
+        }
+    }
+
+    private function setTotals()
+    {
+        $lastRow = $this->row - 1;
+        $this->sheet->setCellValue( 'C' . $this->row, '=SUM(C2:C' . $lastRow . ')' );
+        $this->sheet->setCellValue( 'D' . $this->row, '=SUM(D2:D' . $lastRow . ')' );
+        foreach ( self::MONTH_COLUMNS as $column )
+        {
+            $this->sheet->setCellValue( $column . $this->row, '=SUM(' . $column . '2:' . $column . $lastRow . ')' );
+        }
+        $this->sheet->setCellValue( 'P' . $this->row, '=SUM(P2:P' . $lastRow . ')' );
+        $this->sheet->setCellValue( 'Q' . $this->row, '=SUM(Q2:Q' . $lastRow . ')' );
+    }
+
+}
\ No newline at end of file
diff --git a/application/libraries/reports/invoice/Excel/MonthPaymentSheet.php b/application/libraries/reports/invoice/Excel/MonthPaymentSheet.php
new file mode 100644
index 0000000..d51bd0d
--- /dev/null
+++ b/application/libraries/reports/invoice/Excel/MonthPaymentSheet.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * Created by Pensare Software.
+ * User: Theo Weijmer
+ * Date: 30/07/2018
+ * Time: 10:48
+ */
+
+class MonthPaymentSheet {
+
+    const HEADERS = [
+        'A' => 'project',
+        'B' => 'klant',
+        'C' => 'januari',
+        'D' => 'februari',
+        'E' => 'maart',
+        'F' => 'april',
+        'G' => 'mei',
+        'H' => 'juni',
+        'I' => 'juli',
+        'J' => 'augustus',
+        'K' => 'september',
+        'L' => 'oktober',
+        'M' => 'november',
+        'N' => 'december',
+        'O' => 'Totaal betaald lopend boekjaar inc. btw'
+    ];
+
+    const MONTH_COLUMNS = ['C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N'];
+
+    private $invoiceForecast;
+    private $sheet;
+    private $row;
+
+    public function __construct( $invoiceForecast, $sheet )
+    {
+        $this->invoiceForecast = $invoiceForecast;
+        $this->sheet = $sheet;
+
+        $this->handle();
+    }
+
+    private function handle()
+    {
+        $this->setHeader();
+
+        $this->setBody();
+
+        $this->setTotals();
+    }
+
+    private function setHeader()
+    {
+        foreach ( self::HEADERS as $cell => $header )
+        {
+            $this->sheet->setCellValue( $cell . '1', $header );
+            $this->sheet->getColumnDimension( $cell )->setAutoSize( TRUE );
+        }
+    }
+
+    private function setBody()
+    {
+        $this->row = 2;
+        foreach ( $this->invoiceForecast AS $project )
+        {
+            $this->sheet->setCellValue( 'A' . $this->row, $project['projectname'] );
+            $this->sheet->setCellValue( 'B' . $this->row, $project['customer'] );
+
+            $columnCount = 0;
+            foreach ( $project['monthPayments'] as $month )
+            {
+                $column = self::MONTH_COLUMNS[ $columnCount ];
+                $forecast = $month['paymentamount'];
+                $this->sheet->setCellValue( $column . $this->row, $forecast );
+                $columnCount ++;
+            }
+
+            $formula = '=SUM(C'.$this->row.':N'.$this->row.')';
+            $this->sheet->setCellValue( 'O' . $this->row, $formula);
+
+            $this->row ++;
+        }
+    }
+
+    private function setTotals()
+    {
+        $lastRow = $this->row - 1;
+        foreach ( self::MONTH_COLUMNS as $column )
+        {
+            $this->sheet->setCellValue( $column . $this->row, '=SUM(' . $column . '2:' . $column . $lastRow . ')' );
+        }
+        $this->sheet->setCellValue( 'O' . $this->row, '=SUM(O2:O' . $lastRow . ')' );
+    }
+
+}
\ No newline at end of file
diff --git a/application/views/reports/invoices/monthpayment_report.php b/application/views/reports/invoices/monthpayment_report.php
index e725a89..6c94a7e 100644
--- a/application/views/reports/invoices/monthpayment_report.php
+++ b/application/views/reports/invoices/monthpayment_report.php
@@ -13,7 +13,7 @@
         </th>
         <!-- /ko -->
         <th class="rotate">
-            <div><span>Totaal gefactureerd<br />lopend boekjaar incl. btw</span></div>
+            <div><span>Totaal betaald<br />lopend boekjaar incl. btw</span></div>
         </th>
     </tr>
     </thead>
diff --git a/public/js/lib/modules/reports/invoicereport.js b/public/js/lib/modules/reports/invoicereport.js
index 8d1ba49..d3f5a17 100644
--- a/public/js/lib/modules/reports/invoicereport.js
+++ b/public/js/lib/modules/reports/invoicereport.js
@@ -204,7 +204,8 @@ dbo.invoicereportInit = function () {
 
             createSpreadsheet:function(){
                 var vm = dbo.invoicereport;
-                dbo.invoiceDataService.createSpreadsheet(vm.selectedYear());
+                var url = 'index.php/reports/reportsController/createInvoicesSpreadsheet/' + vm.selectedYear();
+                window.open(url, '_blank');
             }
         }