diff --git a/README.md b/README.md
index 1165ac3..4257ba1 100644
--- a/README.md
+++ b/README.md
@@ -343,6 +343,7 @@ _Note: Since this module manages all of the Kubernetes addon dependencies requir
 | <a name="input_node_pool_ami_id"></a> [node\_pool\_ami\_id](#input\_node\_pool\_ami\_id) | The AMI ID to use for the EKS cluster nodes. Defaults to the latest EKS Optimized AMI provided by AWS. | `string` | `""` | no |
 | <a name="input_node_pool_azs"></a> [node\_pool\_azs](#input\_node\_pool\_azs) | A list of availability zones to use for the EKS node group. If not set, the module will use the same availability zones with the cluster. | `list(string)` | `[]` | no |
 | <a name="input_node_pool_block_device_name"></a> [node\_pool\_block\_device\_name](#input\_node\_pool\_block\_device\_name) | The name of the block device to use for the EKS cluster nodes. | `string` | `"/dev/nvme0n1"` | no |
+| <a name="input_node_pool_capacity_type"></a> [node\_pool\_capacity\_type](#input\_node\_pool\_capacity\_type) | The capacity type for the node group. | `string` | `ON_DEMAND` | no |
 | <a name="input_node_pool_desired_size"></a> [node\_pool\_desired\_size](#input\_node\_pool\_desired\_size) | Desired number of worker nodes in the node pool. | `number` | `0` | no |
 | <a name="input_node_pool_disk_iops"></a> [node\_pool\_disk\_iops](#input\_node\_pool\_disk\_iops) | The amount of provisioned IOPS for the worker node root EBS volume. | `number` | `3000` | no |
 | <a name="input_node_pool_disk_size"></a> [node\_pool\_disk\_size](#input\_node\_pool\_disk\_size) | Disk size in GiB for worker nodes in the node pool. Defaults to 50. | `number` | `100` | no |
diff --git a/main.tf b/main.tf
index 70b0313..5b49c04 100644
--- a/main.tf
+++ b/main.tf
@@ -109,6 +109,7 @@ locals {
     desired_size            = var.node_pool_desired_size
     ebs_optimized           = var.node_pool_ebs_optimized
     enable_monitoring       = var.enable_node_pool_monitoring
+    capacity_type           = var.node_pool_capacity_type
     min_size                = var.node_pool_min_size
     max_size                = var.node_pool_max_size
     pre_bootstrap_user_data = var.node_pool_pre_userdata
@@ -127,6 +128,7 @@ locals {
         for i, j in data.aws_subnet.private_subnets : {
           subnet_ids      = [data.aws_subnet.private_subnets[i].id]
           instance_types  = [instance_type]
+          capacity_type   = var.node_pool_capacity_type
           name            = "snc-${split(".", instance_type)[1]}-${data.aws_subnet.private_subnets[i].availability_zone}"
           use_name_prefix = true
           taints          = {}
@@ -151,6 +153,7 @@ locals {
     "snc-core" = {
       subnet_ids      = local.node_group_subnet_ids
       instance_types  = [var.v3_node_group_core_instance_type]
+      capacity_type   = var.node_pool_capacity_type
       name            = "snc-core"
       use_name_prefix = true
       taints          = local.v3_node_taints
diff --git a/variables.tf b/variables.tf
index 937dbe9..00cdb95 100644
--- a/variables.tf
+++ b/variables.tf
@@ -471,6 +471,13 @@ variable "node_pool_block_device_name" {
   type        = string
 }
 
+variable "node_pool_capacity_type" {
+  description = "The capacity type for the node group. Defaults to \"ON_DEMAND\". If set to \"SPOT\", the node group will be a spot instance node group."
+  type        = string
+  default     = "ON_DEMAND"
+  
+}
+
 variable "node_pool_desired_size" {
   default     = 0
   description = "Desired number of worker nodes in the node pool."