diff --git a/lib/modules/manager/terraform/lockfile/hash.ts b/lib/modules/manager/terraform/lockfile/hash.ts
index 7a4aa15c8cba82..754ddbf83be910 100644
--- a/lib/modules/manager/terraform/lockfile/hash.ts
+++ b/lib/modules/manager/terraform/lockfile/hash.ts
@@ -120,6 +120,7 @@ export class TerraformProviderHash {
     logger.trace(
       `Downloading archive and generating hash for ${build.name}-${build.version}...`,
     );
+    const startTime = Date.now();
     const readStream = TerraformProviderHash.http.stream(build.url);
     const writeStream = fs.createCacheWriteStream(downloadFileName);
 
@@ -127,9 +128,8 @@ export class TerraformProviderHash {
       await fs.pipeline(readStream, writeStream);
 
       const hash = await this.hashOfZipContent(downloadFileName, extractPath);
-      logger.trace(
-        { hash },
-        `Generated hash for ${build.name}-${build.version}`,
+      logger.debug(
+        `Hash generation for ${build.url} took ${Date.now() - startTime}ms for ${build.name}-${build.version}`,
       );
       return hash;
     } finally {
@@ -141,6 +141,7 @@ export class TerraformProviderHash {
   static async calculateHashScheme1Hashes(
     builds: TerraformBuild[],
   ): Promise<string[]> {
+    logger.debug(`Calculating hashes for ${builds.length} builds`);
     const cacheDir = await ensureCacheDir('./others/terraform');
 
     // for each build download ZIP, extract content and generate hash for all containing files
@@ -154,6 +155,9 @@ export class TerraformProviderHash {
     repository: string,
     version: string,
   ): Promise<string[] | null> {
+    logger.debug(
+      `Creating hashes for ${repository}@${version} (${registryURL})`,
+    );
     const builds = await TerraformProviderHash.terraformDatasource.getBuilds(
       registryURL,
       repository,
@@ -169,6 +173,10 @@ export class TerraformProviderHash {
       builds.map((build) => build.shasums_url).filter(isNotNullOrUndefined),
     );
 
+    logger.debug(
+      `Getting zip hashes for ${shaUrls.length} shasum URL(s) for ${repository}@${version}`,
+    );
+
     const zhHashes: string[] = [];
     for (const shaUrl of shaUrls) {
       const hashes =
@@ -177,6 +185,10 @@ export class TerraformProviderHash {
       zhHashes.push(...coerceArray(hashes));
     }
 
+    logger.debug(
+      `Got ${zhHashes.length} zip hashes for ${repository}@${version}`,
+    );
+
     const h1Hashes =
       await TerraformProviderHash.calculateHashScheme1Hashes(builds);
 
diff --git a/lib/modules/manager/terraform/lockfile/index.ts b/lib/modules/manager/terraform/lockfile/index.ts
index 9e268f21c3ad76..769dffdc9c8092 100644
--- a/lib/modules/manager/terraform/lockfile/index.ts
+++ b/lib/modules/manager/terraform/lockfile/index.ts
@@ -163,6 +163,7 @@ export async function updateArtifacts({
         // TODO #22198
         ['provider', 'required_provider'].includes(dep.depType!),
       );
+      logger.debug(`Found ${providerDeps.length} provider deps`);
       for (const dep of providerDeps) {
         massageProviderLookupName(dep);
         const { registryUrls, newVersion, packageName } = dep;
@@ -172,6 +173,7 @@ export async function updateArtifacts({
         );
         // istanbul ignore if: needs test
         if (!updateLock) {
+          logger.debug(`Skipping. No lock found for "${packageName}"`);
           continue;
         }
         if (dep.isLockfileUpdate) {
@@ -213,9 +215,10 @@ export async function updateArtifacts({
       updates.length === 0 ||
       updates.some((value) => !value.newHashes?.length)
     ) {
+      logger.debug('No updates found or hash creation failed');
       return null;
     }
-
+    logger.debug(`Writing updates to ${lockFilePath}`);
     const res = writeLockUpdates(updates, lockFilePath, lockFileContent);
     return [res];
   } catch (err) {