Now that you have formatted it (thanks) I can easily show you an example:
template:
- sensor:
- name: Grid Power In
unit_of_measurement: kWh
device_class: energy
state_class: total_increasing
state: >
{% if states('sensor.utility_meter_123_1d') | float(0) >= 0 %}
{{ states('sensor.utility_meter_123_1d') | float(0) }}
{% else %}
0
{% endif %}
availability: "{{ has_value('sensor.utility_meter_123_1d') }}"
- name: Grid Power Out
unit_of_measurement: kWh
device_class: energy
state_class: total_increasing
state: >
{% if states('sensor.utility_meter_123_1d') | float(0) <= 0 %}
{{ states('sensor.utility_meter_123_1d') |float | abs }}
{% else %}
0
{% endif %}
availability: "{{ has_value('sensor.utility_meter_123_1d') }}"