display simple product information from configurable product.

simpleinfo.php

<?php
if($_product->getTypeId() == "configurable"):
    $conf = Mage::getModel('catalog/product_type_configurable')->setProduct($_product);
    $simple_collection = $conf->getUsedProductCollection()->addAttributeToSelect('*')->addFilterByRequiredOptions();
    foreach($simple_collection as $simple_product){
        echo $simple_product->getSku() . " - " . $simple_product->getName() . " - " . Mage::helper('core')->currency($simple_product->getPrice()) . "<br>";
    }
endif;
?>

<?php
if($_product->getTypeId() == "configurable"):
    $conf = Mage::getModel('catalog/product_type_configurable')->setProduct($_product);
    $simple_collection = $conf->getUsedProductCollection()->addAttributeToSelect('*')->addFilterByRequiredOptions();
    foreach($simple_collection as $simple_product){
        echo $simple_product->getPrice();
    }
endif;
?>